{"title":"Air Pressure Switch","description":"","products":[{"product_id":"glow-0020248909-air-pressure-switch-kit","title":"Glow-worm 0020248909 Air Pressure Switch Kit","description":"\u003cp data-start=\"166\" data-end=\"506\"\u003eThe \u003cstrong data-start=\"170\" data-end=\"218\"\u003eGlow-worm 0020248909 Air Pressure Switch Kit\u003c\/strong\u003e is a genuine replacement safety component designed to monitor airflow and ensure correct operation of the flue and fan system in compatible Glow-worm boilers. The air pressure switch verifies that adequate air movement is present before ignition, preventing unsafe combustion conditions.\u003c\/p\u003e\n\u003cp data-start=\"508\" data-end=\"737\"\u003eA faulty air pressure switch can result in ignition failures, intermittent boiler operation, or persistent lockouts. Replacing it with this genuine Glow-worm kit restores reliable airflow monitoring and safe boiler functionality.\u003c\/p\u003e\n\u003ch3 data-start=\"739\" data-end=\"759\"\u003e\u003cstrong data-start=\"743\" data-end=\"759\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"760\" data-end=\"1063\"\u003e\n\u003cli data-start=\"760\" data-end=\"805\"\u003e\n\u003cp data-start=\"762\" data-end=\"805\"\u003eGenuine Glow-worm air pressure switch kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"806\" data-end=\"856\"\u003e\n\u003cp data-start=\"808\" data-end=\"856\"\u003eEnsures correct airflow before burner ignition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"857\" data-end=\"916\"\u003e\n\u003cp data-start=\"859\" data-end=\"916\"\u003eHelps prevent unsafe combustion and flue-related faults\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"917\" data-end=\"976\"\u003e\n\u003cp data-start=\"919\" data-end=\"976\"\u003eResolves ignition failures and pressure switch lockouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"977\" data-end=\"1013\"\u003e\n\u003cp data-start=\"979\" data-end=\"1013\"\u003eDurable, accurate sensing design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1014\" data-end=\"1063\"\u003e\n\u003cp data-start=\"1016\" data-end=\"1063\"\u003eDirect-fit replacement for quick installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1065\" data-end=\"1088\"\u003e\u003cstrong data-start=\"1069\" data-end=\"1088\"\u003eCompatible With\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1089\" data-end=\"1198\"\u003eThis air pressure switch kit is suitable for selected \u003cstrong data-start=\"1143\" data-end=\"1164\"\u003eGlow-worm boilers\u003c\/strong\u003e that specify part \u003cstrong data-start=\"1183\" data-end=\"1197\"\u003e0020248909\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1200\" data-end=\"1274\"\u003e\u003cem data-start=\"1200\" data-end=\"1274\"\u003ePlease verify compatibility using your boiler manual or existing switch.\u003c\/em\u003e\u003c\/p\u003e","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695256187225,"sku":null,"price":26.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1340495.jpg?v=1764938213"},{"product_id":"worc-87161066330-pressure-switch-air","title":"WORCESTER 87161066330 AIR PRESSURE SWITCH","description":"\u003cp data-start=\"49\" data-end=\"610\"\u003eThe Worcester 87161066330 Air Pressure Switch is a genuine replacement safety device designed to monitor the air pressure within your boiler’s combustion and flue system. It ensures that the fan and flue are creating the correct airflow before allowing ignition to proceed, helping protect internal components and maintain safe operating conditions. If the detected air pressure falls outside the safe range, the switch triggers a lockout to prevent unsafe combustion, so fitting the correct pressure switch is essential for reliable, safe boiler performance.\u003c\/p\u003e\n\u003cp data-start=\"612\" data-end=\"1016\"\u003eThis air pressure switch is compatible with specific Worcester and Worcester Bosch boilers that reference part number 87161066330 in their parts documentation. To ensure proper fitment and operation, always verify the part number on your existing switch or consult your boiler’s service information before installation, as air pressure switch specifications and settings vary between models and series.\u003c\/p\u003e\n\u003cp data-start=\"1018\" data-end=\"1362\"\u003eSupplied ready for direct replacement, the 87161066330 Air Pressure Switch connects with the boiler’s existing tubing and electrical harness without modification when installed by a qualified engineer. Choosing this genuine Worcester Bosch component helps restore accurate airflow monitoring and dependable safety control in compatible boilers.\u003c\/p\u003e","brand":"Worcester Bosch","offers":[{"title":"Default Title","offer_id":56695341547865,"sku":null,"price":41.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1015003.jpg?v=1766064084"},{"product_id":"worc-87161048960-pressure-switch-air","title":"Worcester 87161048960 Air Pressure Switch -24kW - 24SI\/28SI","description":"\u003cp data-start=\"68\" data-end=\"531\"\u003eThe Worcester 87161048960 Air Pressure Switch is a genuine replacement safety device that monitors the air pressure within your boiler’s combustion and flue system. It detects correct differential pressure to confirm that the fan and flue are functioning properly before allowing ignition to proceed. If the air pressure falls outside safe parameters, the switch triggers a boiler lockout to prevent unsafe combustion conditions and protect internal components.\u003c\/p\u003e\n\u003cp data-start=\"533\" data-end=\"924\"\u003eThis air pressure switch is compatible with Worcester and Worcester Bosch 24Si and 28Si series boilers rated around 24 kW that specify part number 87161048960. To ensure correct fitment and reliable operation, always check the part number on your existing switch or consult your boiler’s documentation before installation, as air pressure switch types and settings can vary between models.\u003c\/p\u003e\n\u003cp data-start=\"926\" data-end=\"1307\"\u003eDesigned for direct replacement, the 87161048960 Air Pressure Switch connects seamlessly with the existing tubing and electrical harness, integrating with the boiler’s safety control system without modification. Choosing this genuine Worcester Bosch part helps maintain accurate combustion safety monitoring and dependable boiler performance in compatible 24Si and 28Si appliances.\u003c\/p\u003e","brand":"Worcester Bosch","offers":[{"title":"Default Title","offer_id":56695343939929,"sku":null,"price":37.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1014387.jpg?v=1766062444"},{"product_id":"alp-1-012849-pressure-switch-air","title":"ALP 1.012849 PRESSURE SWITCH AIR","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695345545561,"sku":null,"price":78.04,"currency_code":"GBP","in_stock":true}]},{"product_id":"worc-87161044610-p-switch-air-huba","title":"Worcester Bosch 87161044610 Air Pressure Switch - Huba - CDi\/Junior","description":"\u003cp data-start=\"75\" data-end=\"575\"\u003eThe Worcester Bosch 87161044610 Air Pressure Switch (manufactured by Huba) is a genuine replacement safety device that monitors air pressure within the flue and combustion chamber of your boiler. By detecting the correct differential pressure, it confirms that the fan and flue system are operating properly before allowing ignition to proceed. If air pressure is outside safe parameters, the switch triggers a boiler lockout to protect internal components and prevent unsafe combustion conditions.\u003c\/p\u003e\n\u003cp data-start=\"577\" data-end=\"951\"\u003eThis air pressure switch is compatible with a range of Worcester Bosch CDi and Junior series boilers that reference part number 87161044610. It fits appliances where the Huba-branded pressure switch is specified as the OEM component. To ensure correct fitment, always verify the part number on your existing switch or check your boiler’s documentation before installation.\u003c\/p\u003e\n\u003cp data-start=\"953\" data-end=\"1339\"\u003eDesigned for straightforward replacement, the 87161044610 Air Pressure Switch connects directly to the existing tubing and electrical harness, allowing seamless integration without modification. Choosing this genuine Worcester Bosch part helps maintain accurate combustion safety monitoring, reliable fault detection and continued boiler performance in compatible CDi and Junior models.\u003c\/p\u003e","brand":"Worcester Bosch","offers":[{"title":"Default Title","offer_id":56695351902553,"sku":null,"price":40.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1014233.jpg?v=1766057762"},{"product_id":"worc-87161424060-pressure-switch-air","title":"WORCESTER 87161424060 AIR PRESSURE SWITCH","description":"\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"e259fedb-ff94-4103-9146-aa48d92c288a\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"589\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"49\"\u003eWorcester 87161424060 air pressure switch\u003c\/strong\u003e is a genuine Worcester Bosch safety and combustion control component designed to monitor flue and combustion air pressure in compatible Worcester Bosch boilers. This switch senses the presence and correct level of airflow produced by the fan\/venturi assembly and signals the boiler’s control board when safe combustion conditions exist. If airflow is insufficient or blocked, the switch prevents the boiler from firing, helping protect the appliance from unsafe draft or flue blockage conditions and ensuring reliable, compliant operation.\u003c\/p\u003e\n\u003cp data-start=\"591\" data-end=\"941\"\u003eThis air pressure switch is compatible with selected Worcester Bosch boilers that specify part number \u003cstrong data-start=\"693\" data-end=\"708\"\u003e87161424060\u003c\/strong\u003e in their technical documentation. Because pressure switch requirements vary by boiler series, model and production year, it’s recommended to confirm compatibility using your boiler’s exact model number and GC number before ordering.\u003c\/p\u003e\n\u003cp data-start=\"943\" data-end=\"1475\"\u003eKey features of the \u003cstrong data-start=\"963\" data-end=\"1008\"\u003eWorcester 87161424060 air pressure switch\u003c\/strong\u003e include genuine Worcester Bosch manufacture for assured quality and fit, accurate sensing of combustion air and flue pressure to support safe ignition control, robust internal design suitable for frequent cycling in everyday boiler operation, seamless integration with the boiler’s safety and control systems when installed by a qualified Gas Safe heating engineer, and dependable performance that helps prevent unsafe combustion conditions and unnecessary lockouts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Worcester Bosch","offers":[{"title":"Default Title","offer_id":56695354786137,"sku":null,"price":33.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1018167.jpg?v=1766056270"},{"product_id":"bia-ki1267103-air-pressure-switch","title":"BIA KI1267103 AIR PRESSURE SWITCH","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695389028697,"sku":null,"price":80.3,"currency_code":"GBP","in_stock":true}]},{"product_id":"bax-720011401-spares-kit-p-switch","title":"Baxi 720011401 Solo 3 PF\/PFL Air Pressure Switch - 30\/40\/50","description":"\u003cp data-start=\"69\" data-end=\"593\"\u003eThe Baxi 720011401 Air Pressure Switch is a genuine replacement safety device designed to monitor combustion airflow within your Solo 3 PF and PFL series boilers. It ensures that the fan is generating the correct pressure before allowing the boiler to ignite. If airflow is insufficient due to fan failure, blockages or flue restriction, the pressure switch signals the control system to prevent ignition and protect internal components, helping maintain safe combustion conditions and reduce the risk of unsafe operation.\u003c\/p\u003e\n\u003cp data-start=\"595\" data-end=\"1027\"\u003eThis air pressure switch is compatible with Solo 3 PF\/PFL boilers in the 30 kW, 40 kW and 50 kW output ranges that reference part number 720011401 in their technical documentation. To ensure correct fitment and reliable performance, always verify the part number on your existing switch or consult your boiler’s service information before installation, as air pressure switch specifications vary between models and configurations.\u003c\/p\u003e\n\u003cp data-start=\"1029\" data-end=\"1417\"\u003eSupplied ready for direct replacement, the 720011401 Air Pressure Switch connects to the boiler’s existing pressure tubing and control wiring when installed by a qualified engineer. Choosing this genuine Baxi component helps restore accurate airflow monitoring, supports safe combustion sequencing and contributes to dependable heating performance in compatible Solo 3 PF and PFL boilers.\u003c\/p\u003e\n\u003cp data-start=\"1029\" data-end=\"1417\"\u003e \u003c\/p\u003e","brand":"BAXI","offers":[{"title":"Default Title","offer_id":56695434674521,"sku":null,"price":89.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1115886.jpg?v=1767604202"},{"product_id":"pot-5105574-air-pressure-switch","title":"POT 5105574 AIR PRESSURE SWITCH","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695501390169,"sku":null,"price":67.41,"currency_code":"GBP","in_stock":true}]},{"product_id":"aris-65102164-01-air-prssr-switch-40-pa","title":"ARIS 65102164-01 AIR PRSSR SWITCH 40 PA","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695506764121,"sku":null,"price":50.83,"currency_code":"GBP","in_stock":true}]},{"product_id":"glo-0020053616-air-pressure-switch","title":"GLO 0020053616 AIR PRESSURE SWITCH","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695510335833,"sku":null,"price":57.68,"currency_code":"GBP","in_stock":true}]},{"product_id":"fer-39805631-air-pressure-switch","title":"FER 39805631 AIR PRESSURE SWITCH","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695510925657,"sku":null,"price":58.27,"currency_code":"GBP","in_stock":true}]},{"product_id":"bax-5137530-air-p-switch-kit","title":"BAX 5137530 AIR P\/SWITCH KIT","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695515742553,"sku":null,"price":49.76,"currency_code":"GBP","in_stock":true}]},{"product_id":"biasi-bi1536103-air-p-switch","title":"BIASI BI1536103 AIR P\/SWITCH","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695541236057,"sku":null,"price":68.99,"currency_code":"GBP","in_stock":true}]},{"product_id":"bax-5137529-instant-105e-air-p-switch","title":"Baxi 5137529 SE Fan Pressure Switch - Maxflo\/Performa\/System","description":"\u003cp data-end=\"695\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"43\" data-start=\"4\"\u003eBaxi 5137529 SE Fan Pressure Switch\u003c\/strong\u003e is a genuine replacement component designed to monitor and control the airflow created by the boiler’s fan in compatible Baxi SE (Standard Efficiency) models. This sensor ensures the correct pressure differential is present in the flue and combustion system before allowing the boiler to proceed with ignition. By confirming proper airflow, it helps prevent unsafe firing conditions, reduces false lockouts, and supports efficient and reliable boiler operation. Manufactured to Baxi’s quality standards, this fan pressure switch should be fitted by a qualified heating engineer during servicing, maintenance, or when replacing a worn or faulty switch.\u003c\/p\u003e\n\u003cp data-end=\"993\" data-start=\"697\"\u003eCompatibility for the 5137529 SE fan pressure switch includes Baxi \u003cstrong data-end=\"774\" data-start=\"764\"\u003eMaxflo\u003c\/strong\u003e, \u003cstrong data-end=\"788\" data-start=\"776\"\u003ePerforma\u003c\/strong\u003e, and \u003cstrong data-end=\"804\" data-start=\"794\"\u003eSystem\u003c\/strong\u003e boiler models that utilise this specific pressure switch specification. Always verify your boiler’s model and part requirements before installation to ensure correct match and performance.\u003c\/p\u003e\n\u003cp data-end=\"1227\" data-start=\"995\"\u003eUsing a genuine Baxi fan pressure switch helps maintain safe airflow monitoring, supports smooth ignition control, and contributes to the dependable performance and long-term reliability of your central heating and hot water system.\u003c\/p\u003e","brand":"BAXI","offers":[{"title":"Default Title","offer_id":56695541301593,"sku":null,"price":48.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1119348.jpg?v=1767696484"},{"product_id":"baxi-5137532-insta-80he-air-p-switch-kit","title":"BAXI 5137532 INSTA 80HE AIR PRESSURE SWITCH KIT","description":"\u003cp data-end=\"461\" data-start=\"175\"\u003eThe \u003cstrong data-end=\"195\" data-start=\"179\"\u003eBaxi 5137532\u003c\/strong\u003e is a genuine OEM \u003cstrong data-end=\"236\" data-start=\"213\"\u003eair pressure switch\u003c\/strong\u003e designed for use in selected Baxi, Main, and Potterton boilers. This safety-critical component monitors the correct operation of the fan and flue system by ensuring adequate air movement before allowing the burner to ignite.\u003c\/p\u003e\n\u003cp data-end=\"770\" data-start=\"463\"\u003eIf the pressure switch detects insufficient airflow, it prevents ignition to avoid unsafe combustion conditions. A faulty switch may cause ignition failure, intermittent operation, nuisance lockouts, or airflow-related error codes. Replacing it with this genuine Baxi part restores safe, reliable operation.\u003c\/p\u003e\n\u003cp data-end=\"791\" data-start=\"772\"\u003e\u003cstrong data-end=\"789\" data-start=\"772\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1194\" data-start=\"792\"\u003e\n\u003cli data-end=\"832\" data-start=\"792\"\u003e\n\u003cp data-end=\"832\" data-start=\"794\"\u003e\u003cstrong data-end=\"830\" data-start=\"794\"\u003eGenuine Baxi air pressure switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"890\" data-start=\"833\"\u003e\n\u003cp data-end=\"890\" data-start=\"835\"\u003eConfirms correct fan and flue airflow before ignition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"942\" data-start=\"891\"\u003e\n\u003cp data-end=\"942\" data-start=\"893\"\u003eEnsures safe operation of the combustion system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1004\" data-start=\"943\"\u003e\n\u003cp data-end=\"1004\" data-start=\"945\"\u003eHelps resolve ignition failure, airflow errors \u0026amp; lockouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1075\" data-start=\"1005\"\u003e\n\u003cp data-end=\"1075\" data-start=\"1007\"\u003eManufactured to Baxi’s strict OEM safety and reliability standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1131\" data-start=\"1076\"\u003e\n\u003cp data-end=\"1131\" data-start=\"1078\"\u003eDurable construction with accurate pressure sensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1194\" data-start=\"1132\"\u003e\n\u003cp data-end=\"1194\" data-start=\"1134\"\u003eDirect-fit replacement for fast, professional installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1199\" data-start=\"1196\"\u003e\n\u003ch3 data-end=\"1222\" data-start=\"1201\"\u003e\u003cstrong data-end=\"1222\" data-start=\"1205\"\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1279\" data-start=\"1223\"\u003eThe \u003cstrong data-end=\"1259\" data-start=\"1227\"\u003eBaxi 5137532 Pressure Switch\u003c\/strong\u003e is compatible with:\u003c\/p\u003e\n\u003cul data-end=\"1434\" data-start=\"1281\"\u003e\n\u003cli data-end=\"1310\" data-start=\"1281\"\u003e\n\u003cp data-end=\"1310\" data-start=\"1283\"\u003eSelected \u003cstrong data-end=\"1300\" data-start=\"1292\"\u003eBaxi\u003c\/strong\u003e boilers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1331\" data-start=\"1311\"\u003e\n\u003cp data-end=\"1331\" data-start=\"1313\"\u003e\u003cstrong data-end=\"1321\" data-start=\"1313\"\u003eMain\u003c\/strong\u003e boilers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1357\" data-start=\"1332\"\u003e\n\u003cp data-end=\"1357\" data-start=\"1334\"\u003e\u003cstrong data-end=\"1347\" data-start=\"1334\"\u003ePotterton\u003c\/strong\u003e boilers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1434\" data-start=\"1358\"\u003e\n\u003cp data-end=\"1434\" data-start=\"1360\"\u003eAny appliance listing \u003cstrong data-end=\"1393\" data-start=\"1382\"\u003e5137532\u003c\/strong\u003e in official manufacturer documentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1471\" data-start=\"1436\"\u003eCommon compatible ranges include:\u003c\/p\u003e\n\u003cul data-end=\"1553\" data-start=\"1472\"\u003e\n\u003cli data-end=\"1485\" data-start=\"1472\"\u003e\n\u003cp data-end=\"1485\" data-start=\"1474\"\u003eBaxi Solo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1523\" data-start=\"1486\"\u003e\n\u003cp data-end=\"1523\" data-start=\"1488\"\u003eBaxi \u0026amp; Potterton Heat Only models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1553\" data-start=\"1524\"\u003e\n\u003cp data-end=\"1553\" data-start=\"1526\"\u003eMain System \u0026amp; Heat ranges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1611\" data-start=\"1555\"\u003e(Compatibility varies by model—always check the manual.)\u003c\/p\u003e\n\u003cp data-end=\"1723\" data-start=\"1613\"\u003e\u003cem data-end=\"1723\" data-start=\"1613\"\u003eInstallers should verify exact compatibility using the boiler’s model-specific service manual or parts list.\u003c\/em\u003e\u003c\/p\u003e","brand":"BAXI","offers":[{"title":"Default Title","offer_id":56695542284633,"sku":null,"price":49.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1119344.jpg?v=1764767989"},{"product_id":"bax-5137531-105e-air-p-switch-kit","title":"BAXI 5137531 HE FAN PRESSURE SWITCH","description":"\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-id=\"c9b1f831-3e56-4e12-9db0-194abddd9334\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-end=\"729\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"43\" data-start=\"4\"\u003eBaxi 5137531 HE Fan Pressure Switch\u003c\/strong\u003e is a genuine replacement component engineered to work with compatible Baxi high-efficiency boilers. This precision pressure switch monitors the airflow created by the boiler’s fan and ensures that the correct pressure differential is present before allowing the ignition sequence to proceed. By verifying that the flue and combustion systems are venting correctly, it helps maintain safe operation, prevents ignition faults, and supports efficient boiler performance. Designed and manufactured to Baxi’s exact quality standards, this fan pressure switch should be fitted by a qualified heating engineer during servicing, diagnostics, or when replacing a worn or faulty pressure switch.\u003c\/p\u003e\n\u003cp data-end=\"1011\" data-start=\"731\"\u003eCompatibility for the 5137531 HE fan pressure switch includes Baxi \u003cstrong data-end=\"822\" data-start=\"798\"\u003ehigh-efficiency (HE)\u003c\/strong\u003e boiler models that require this specific switch specification. Always verify the exact boiler model and part requirement before installation to ensure correct fit and reliable performance.\u003c\/p\u003e\n\u003cp data-end=\"1253\" data-start=\"1013\"\u003eUsing a genuine Baxi fan pressure switch helps sustain proper airflow monitoring, enhances safe combustion and ignition control, and contributes to the long-term reliability and smooth operation of your central heating and hot water system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BAXI","offers":[{"title":"Default Title","offer_id":56695547134297,"sku":null,"price":50.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1119350.jpg?v=1767694635"},{"product_id":"vail-0020148036-switch-high-pressure","title":"VAIL 0020148036 SWITCH HIGH PRESSURE","description":"\u003cp data-end=\"602\" data-start=\"199\"\u003eThe \u003cstrong data-end=\"226\" data-start=\"203\"\u003eVaillant 0020148036\u003c\/strong\u003e is a genuine OEM \u003cstrong data-end=\"268\" data-start=\"244\"\u003ehigh pressure switch\u003c\/strong\u003e designed to protect compatible Vaillant heat pumps and refrigeration-based systems from unsafe pressure levels. This safety-critical component continuously monitors the system’s refrigerant pressure and automatically stops operation if it rises above safe limits, preventing damage to compressors, pipework, and other key components.\u003c\/p\u003e\n\u003cp data-end=\"876\" data-start=\"604\"\u003eA faulty high pressure switch can lead to nuisance lockouts, reduced performance, overheating, or failure to safeguard the system during overpressure events. Replacing it with this genuine Vaillant unit ensures accurate pressure monitoring and reliable safety performance.\u003c\/p\u003e\n\u003cp data-end=\"897\" data-start=\"878\"\u003e\u003cstrong data-end=\"895\" data-start=\"878\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1326\" data-start=\"898\"\u003e\n\u003cli data-end=\"950\" data-start=\"898\"\u003e\n\u003cp data-end=\"950\" data-start=\"900\"\u003e\u003cstrong data-end=\"948\" data-start=\"900\"\u003eGenuine Vaillant high pressure safety switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1009\" data-start=\"951\"\u003e\n\u003cp data-end=\"1009\" data-start=\"953\"\u003eAutomatically interrupts operation during overpressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1059\" data-start=\"1010\"\u003e\n\u003cp data-end=\"1059\" data-start=\"1012\"\u003eProtects compressors and refrigerant circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1112\" data-start=\"1060\"\u003e\n\u003cp data-end=\"1112\" data-start=\"1062\"\u003eEnsures safe, reliable performance of the system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1172\" data-start=\"1113\"\u003e\n\u003cp data-end=\"1172\" data-start=\"1115\"\u003eManufactured to Vaillant’s strict OEM quality standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1236\" data-start=\"1173\"\u003e\n\u003cp data-end=\"1236\" data-start=\"1175\"\u003eHelps resolve high-pressure faults, shutdowns \u0026amp; error codes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1269\" data-start=\"1237\"\u003e\n\u003cp data-end=\"1269\" data-start=\"1239\"\u003eDurable, long-life component\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1326\" data-start=\"1270\"\u003e\n\u003cp data-end=\"1326\" data-start=\"1272\"\u003eDirect-fit replacement for professional installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1331\" data-start=\"1328\"\u003e\n\u003ch3 data-end=\"1354\" data-start=\"1333\"\u003e\u003cstrong data-end=\"1354\" data-start=\"1337\"\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1423\" data-start=\"1355\"\u003eThe \u003cstrong data-end=\"1403\" data-start=\"1359\"\u003eVaillant 0020148036 High Pressure Switch\u003c\/strong\u003e is compatible with:\u003c\/p\u003e\n\u003cul data-end=\"1606\" data-start=\"1425\"\u003e\n\u003cli data-end=\"1476\" data-start=\"1425\"\u003e\n\u003cp data-end=\"1476\" data-start=\"1427\"\u003eSelected \u003cstrong data-end=\"1474\" data-start=\"1436\"\u003eVaillant VWL air source heat pumps\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1529\" data-start=\"1477\"\u003e\n\u003cp data-end=\"1529\" data-start=\"1479\"\u003eOther Vaillant refrigerant-based heating systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1606\" data-start=\"1530\"\u003e\n\u003cp data-end=\"1606\" data-start=\"1532\"\u003eAny appliance listing \u003cstrong data-end=\"1568\" data-start=\"1554\"\u003e0020148036\u003c\/strong\u003e in its official parts documentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1703\" data-start=\"1608\"\u003e\u003cem data-end=\"1703\" data-start=\"1608\"\u003eEngineers should always verify compatibility using the system’s service manual or parts list.\u003c\/em\u003e\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":56695666901337,"sku":null,"price":106.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/wmremove-transformed_ce21d812-7173-4436-926c-a45461dcd909.png?v=1764254237"},{"product_id":"ideal-172666-air-pres-swit-w80-p-s-n","title":"IDEAL 172666 AIR PRESSURE SWITCH W80 \u0026 P","description":"\u003cp data-start=\"23\" data-end=\"299\"\u003eThe \u003cstrong data-start=\"27\" data-end=\"73\"\u003eIdeal 172666 Air Pressure Switch – W80 \u0026amp; P\u003c\/strong\u003e is a genuine replacement safety control component designed for use in Ideal W80 and P series boilers. It helps monitor and verify correct air pressure within the combustion and venting system to support safe boiler operation.\u003c\/p\u003e\n\u003ch3 data-start=\"301\" data-end=\"325\"\u003eFunction \u0026amp; Purpose\u003c\/h3\u003e\n\u003cp data-start=\"326\" data-end=\"747\"\u003eThe air pressure switch detects the presence and correct level of air pressure in the flue and combustion air pathways. If the pressure is outside the expected range (too low or too high), the switch signals the boiler control system to shut down or adjust operation to protect against unsafe conditions. Replacing a faulty or worn pressure switch helps ensure accurate airflow monitoring and safe combustion performance.\u003c\/p\u003e\n\u003ch3 data-start=\"749\" data-end=\"768\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp data-start=\"769\" data-end=\"990\"\u003eThis switch is specifically engineered for Ideal W80 and P boiler models. It is manufactured to original equipment specifications to ensure accurate fitment and dependable performance when installed in compatible systems.\u003c\/p\u003e\n\u003ch3 data-start=\"992\" data-end=\"1011\"\u003eBuild Quality\u003c\/h3\u003e\n\u003cp data-start=\"1012\" data-end=\"1304\"\u003eAs an authentic Ideal spare part, the 172666 Air Pressure Switch is built to high manufacturing standards for durability and long-term reliability. It is designed to withstand the pressures, temperature variations, and operational demands typical of boiler combustion and ventilation systems.\u003c\/p\u003e\n\u003ch3 data-start=\"1306\" data-end=\"1330\"\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp data-start=\"1331\" data-end=\"1712\"\u003eThis air pressure switch is ideal for heating engineers and service technicians performing maintenance, diagnostics, or safety control replacements on Ideal W80 and P series boilers. It is particularly useful when poor airflow detection, pressure faults, or safety lockouts indicate a failing or inconsistent pressure switch, helping to restore safe and efficient boiler operation.\u003c\/p\u003e","brand":"Ideal","offers":[{"title":"Default Title","offer_id":56695702487385,"sku":null,"price":140.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1178992.jpg?v=1767953483"},{"product_id":"ideal-174418-air-pressure-switch","title":"IDEAL 174418 AIR PRESSURE SWITCH - IMAX XTRA","description":"\u003cp data-start=\"156\" data-end=\"521\"\u003eThe \u003cstrong data-start=\"160\" data-end=\"196\"\u003eIdeal 174418 Air Pressure Switch\u003c\/strong\u003e is a genuine safety-critical component designed to monitor airflow and ensure the fan and flue system are operating correctly within the boiler. By detecting sufficient air movement before ignition, this switch helps prevent unsafe combustion conditions and protects the boiler from operating when ventilation is inadequate.\u003c\/p\u003e\n\u003cp data-start=\"523\" data-end=\"699\"\u003eA faulty air pressure switch can result in ignition lockouts, intermittent firing, or the boiler failing to start—making this replacement essential during diagnosis and repair.\u003c\/p\u003e\n\u003ch3 data-start=\"701\" data-end=\"721\"\u003e\u003cstrong data-start=\"705\" data-end=\"721\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"722\" data-end=\"955\"\u003e\n\u003cli data-start=\"722\" data-end=\"759\"\u003e\n\u003cp data-start=\"724\" data-end=\"759\"\u003eGenuine Ideal air pressure switch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"760\" data-end=\"806\"\u003e\n\u003cp data-start=\"762\" data-end=\"806\"\u003eMonitors airflow and ensures safe ignition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"807\" data-end=\"862\"\u003e\n\u003cp data-start=\"809\" data-end=\"862\"\u003ePrevents operation in unsafe ventilation conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"863\" data-end=\"908\"\u003e\n\u003cp data-start=\"865\" data-end=\"908\"\u003eHelps resolve lockout and ignition issues\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"909\" data-end=\"955\"\u003e\n\u003cp data-start=\"911\" data-end=\"955\"\u003eReliable, direct-fit replacement component\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"957\" data-end=\"980\"\u003e\u003cstrong data-start=\"961\" data-end=\"980\"\u003eCompatible With\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"981\" data-end=\"1022\"\u003eThis air pressure switch is suitable for:\u003c\/p\u003e\n\u003cul data-start=\"1024\" data-end=\"1053\"\u003e\n\u003cli data-start=\"1024\" data-end=\"1053\"\u003e\n\u003cp data-start=\"1026\" data-end=\"1053\"\u003e\u003cstrong data-start=\"1026\" data-end=\"1053\"\u003eIdeal Imax Xtra Boilers\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1055\" data-end=\"1152\"\u003e\u003cem data-start=\"1055\" data-end=\"1152\"\u003ePlease verify the part number (174418) with your boiler manual to ensure correct compatibility.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ideal","offers":[{"title":"Default Title","offer_id":56695710843225,"sku":null,"price":118.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1780374.jpg?v=1764842533"},{"product_id":"ele-eaa-1-air-flow-paddle-switch","title":"ELE EAA-1 AIR FLOW PADDLE SWITCH","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695750984025,"sku":null,"price":132.72,"currency_code":"GBP","in_stock":true}]},{"product_id":"bro-s58602-sensor-air-pressure-huba-4030","title":"BROA S58602 SENSOR AIR PRESSURE HUBA 4030","description":"\u003cp data-start=\"0\" data-end=\"744\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"52\"\u003eBroag S58602 Air Pressure Sensor (Huba 4030)\u003c\/strong\u003e is a genuine replacement component designed to accurately monitor airflow and pressure differentials within compatible Broag boiler systems. This sensor plays a key safety role by detecting whether the fan and flue system are creating the correct air pressure before allowing the ignition process to proceed. If the sensor detects insufficient pressure or airflow, it helps the boiler’s control system prevent unsafe combustion, reducing the risk of ignition faults or system lockouts. Manufactured to Broag’s exact quality standards, the air pressure sensor should be fitted by a qualified heating engineer during servicing, maintenance, or when replacing a worn, blocked, or faulty sensor.\u003c\/p\u003e\n\u003cp data-start=\"746\" data-end=\"1022\"\u003eCompatibility for the \u003cstrong data-start=\"768\" data-end=\"810\"\u003eS58602 air pressure sensor (Huba 4030)\u003c\/strong\u003e includes Broag boiler models that utilise the Huba 4030 pressure sensing hub; always confirm your specific boiler model and part requirements before installation to ensure correct fit and dependable performance.\u003c\/p\u003e\n\u003cp data-start=\"1024\" data-end=\"1252\"\u003eUsing a genuine Broag air pressure sensor helps maintain accurate airflow detection, supports safe ignition control, and contributes to the long-term reliable and efficient operation of your central heating and hot water system.\u003c\/p\u003e","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695804002649,"sku":null,"price":697.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/wmremove-transformed_b87d6830-4cfb-4032-910a-df7ee59026af.png?v=1767707786"},{"product_id":"ucp-5137530-fan-pressure-switch-90-75","title":"BAXI 5137530 AIR PRESSURE SWITCH","description":"\u003cp data-end=\"529\" data-start=\"40\"\u003eThe Baxi 5137530 Air Pressure Switch is a genuine replacement safety device that monitors the air pressure within your boiler’s combustion and flue system. It ensures that the fan is creating the correct airflow before allowing the ignition sequence to proceed. If the air pressure falls outside safe operating limits, the switch triggers a boiler lockout to protect internal components and prevent unsafe combustion conditions, making it essential for dependable, safe boiler operation.\u003c\/p\u003e\n\u003cp data-end=\"903\" data-start=\"531\"\u003eThis air pressure switch is compatible with Baxi boilers that specify part number 5137530 in their parts documentation. To ensure correct fitment and reliable performance, always verify the number on your existing switch or consult your boiler’s service information before installation, as air pressure switch specifications and mounting formats can vary between models.\u003c\/p\u003e\n\u003cp data-end=\"1243\" data-start=\"905\"\u003eSupplied ready for direct replacement, the 5137530 Air Pressure Switch connects with the boiler’s existing tubing and electrical harness without modification when installed by a qualified engineer. Choosing this genuine Baxi component helps restore accurate airflow monitoring and supports safe, efficient operation in compatible boilers.\u003c\/p\u003e","brand":"BAXI","offers":[{"title":"Default Title","offer_id":56695901094233,"sku":null,"price":38.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1117064.jpg?v=1766139120"}],"url":"https:\/\/plumbpartsxpressshop.com\/collections\/air-pressure-switch.oembed","provider":"Plumbparts xpress","version":"1.0","type":"link"}