{"product_id":"inta-28mm-zero-anti-freeze-valve","title":"Inta 28mm Zero Anti-Freeze Valve","description":"\u003cp data-start=\"23\" data-end=\"472\"\u003eThe \u003cstrong data-start=\"27\" data-end=\"64\"\u003eInta 28 mm Zero Anti-Freeze Valve\u003c\/strong\u003e is a specialist automatic thermostatic control valve used in central heating systems to \u003cstrong data-start=\"153\" data-end=\"181\"\u003eprotect against freezing\u003c\/strong\u003e and maintain safe operation in environments where low ambient temperatures could otherwise cause damage. It automatically regulates hot water flow through the system to prevent frost build-up in pipework, radiators, or plant rooms without the need for external power or manual intervention.\u003c\/p\u003e\n\u003ch3 data-start=\"474\" data-end=\"498\"\u003eFunction \u0026amp; Purpose\u003c\/h3\u003e\n\u003cp data-start=\"499\" data-end=\"1115\"\u003eThis valve monitors the temperature of the water in the heating circuit and \u003cstrong data-start=\"575\" data-end=\"661\"\u003eopens to allow flow only when the water temperature falls below a preset threshold\u003c\/strong\u003e (typically around 0–5 °C). If the system cools toward freezing, the valve opens and allows warmer water to circulate, helping prevent freeze damage to pipes and components. Once the temperature rises above the threshold, the valve partially or fully closes, conserving heat while still providing protection. The \u003cstrong data-start=\"974\" data-end=\"996\"\u003e“Zero Anti-Freeze”\u003c\/strong\u003e action means the valve is specifically built to intervene at temperatures at or near freezing to safeguard the system.\u003c\/p\u003e\n\u003ch3 data-start=\"1117\" data-end=\"1136\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp data-start=\"1137\" data-end=\"1468\"\u003eThe valve is designed for \u003cstrong data-start=\"1163\" data-end=\"1181\"\u003e28 mm pipework\u003c\/strong\u003e, making it suitable for larger domestic, commercial, and industrial heating circuits where robust freeze protection is required. It can be installed in flow or return lines and integrates with standard heating system layouts that include boilers, pumps, and radiators on 28 mm circuits.\u003c\/p\u003e\n\u003ch3 data-start=\"1470\" data-end=\"1498\"\u003eDesign \u0026amp; Build Quality\u003c\/h3\u003e\n\u003cp data-start=\"1499\" data-end=\"1909\"\u003eThe Inta anti-freeze valve features a reliable thermostatic element that responds directly to water temperature, eliminating the need for separate sensors or electrical supply. The valve body and components are constructed from durable materials engineered to withstand typical heating system pressures and temperatures. Its thermostatic mechanism ensures consistent operation over repeated temperature cycles.\u003c\/p\u003e\n\u003ch3 data-start=\"1911\" data-end=\"1929\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1930\" data-end=\"2388\"\u003eInstalling the Zero Anti-Freeze Valve helps protect the heating system from \u003cstrong data-start=\"2006\" data-end=\"2031\"\u003efreeze-related damage\u003c\/strong\u003e, such as burst pipework, cracked components, and boiler heat exchanger issues. By automatically allowing warm water circulation during low-temperature conditions, it helps maintain system integrity in unheated spaces such as lofts, garages, plant rooms, or holiday homes. The valve also helps avoid costly repairs and disruption due to freezing conditions.\u003c\/p\u003e\n\u003ch3 data-start=\"2390\" data-end=\"2414\"\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp data-start=\"2415\" data-end=\"2522\"\u003eThis 28 mm anti-freeze valve is ideal for heating systems where freeze protection is a priority, including:\u003c\/p\u003e\n\u003cp data-start=\"2524\" data-end=\"2790\"\u003eFlow or return lines in boilers serving unheated areas\u003cbr data-start=\"2578\" data-end=\"2581\"\u003eCircuits feeding external plant or remote heating loops\u003cbr data-start=\"2636\" data-end=\"2639\"\u003eSystems in holiday homes, garages, or storage buildings prone to low temperatures\u003cbr data-start=\"2720\" data-end=\"2723\"\u003eLarger domestic or light commercial installations with 28 mm piping\u003c\/p\u003e\n\u003cp data-start=\"2792\" data-end=\"3008\"\u003eFor best performance and safety, installation and positioning should be carried out by a qualified heating engineer, ensuring the valve senses representative water temperature and provides effective frost protection.\u003c\/p\u003e","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":57056154222937,"sku":"81099040","price":86.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/81099040_FO.jpg?v=1768826752","url":"https:\/\/plumbpartsxpressshop.com\/products\/inta-28mm-zero-anti-freeze-valve","provider":"Plumbparts xpress","version":"1.0","type":"link"}