{"title":"Worcester Boiler","description":"","products":[{"product_id":"worcester-greenstar-4000-12-system-boiler","title":"Worcester Greenstar 4000 12 System Boiler","description":"\u003ch2 data-start=\"144\" data-end=\"192\"\u003e\u003cstrong data-start=\"147\" data-end=\"192\"\u003eWorcester Greenstar 4000 12 System Boiler\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"194\" data-end=\"558\"\u003eThe Worcester Greenstar 4000 12kW System Boiler is a highly efficient, reliable, and compact heating solution designed for small homes with a stored hot water system. As part of the popular Greenstar 4000 range, this model delivers excellent performance, quiet operation, and industry-leading energy efficiency, making it an ideal upgrade for older system boilers.\u003c\/p\u003e\n\u003cp data-start=\"560\" data-end=\"818\"\u003eWorking with an existing hot water cylinder, the 4000 12kW provides consistent, reliable heating while keeping running costs low. Its modern design, advanced digital controls, and cupboard-fit size make installation simple and suitable for most home layouts.\u003c\/p\u003e\n\u003chr data-start=\"820\" data-end=\"823\"\u003e\n\u003ch3 data-start=\"825\" data-end=\"845\"\u003e\u003cstrong data-start=\"829\" data-end=\"845\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"846\" data-end=\"1288\"\u003e\n\u003cli data-start=\"846\" data-end=\"899\"\u003e\n\u003cp data-start=\"848\" data-end=\"899\"\u003e\u003cstrong data-start=\"848\" data-end=\"870\"\u003e12kW system boiler\u003c\/strong\u003e ideal for small properties\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"900\" data-end=\"950\"\u003e\n\u003cp data-start=\"902\" data-end=\"950\"\u003eDesigned to work with a \u003cstrong data-start=\"926\" data-end=\"948\"\u003ehot water cylinder\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"951\" data-end=\"1002\"\u003e\n\u003cp data-start=\"953\" data-end=\"1002\"\u003e\u003cstrong data-start=\"953\" data-end=\"975\"\u003eA-rated efficiency\u003c\/strong\u003e for reduced energy bills\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1003\" data-end=\"1065\"\u003e\n\u003cp data-start=\"1005\" data-end=\"1065\"\u003e\u003cstrong data-start=\"1005\" data-end=\"1033\"\u003eModern digital interface\u003c\/strong\u003e with clear, intuitive control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1066\" data-end=\"1133\"\u003e\n\u003cp data-start=\"1068\" data-end=\"1133\"\u003e\u003cstrong data-start=\"1068\" data-end=\"1087\"\u003eQuiet operation\u003c\/strong\u003e, suitable for installation in living spaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1134\" data-end=\"1169\"\u003e\n\u003cp data-start=\"1136\" data-end=\"1169\"\u003eCompact \u003cstrong data-start=\"1144\" data-end=\"1160\"\u003ecupboard-fit\u003c\/strong\u003e design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1170\" data-end=\"1224\"\u003e\n\u003cp data-start=\"1172\" data-end=\"1224\"\u003eCompatible with \u003cstrong data-start=\"1188\" data-end=\"1222\"\u003eWorcester Bosch smart controls\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1225\" data-end=\"1288\"\u003e\n\u003cp data-start=\"1227\" data-end=\"1288\"\u003eExcellent reliability backed by Worcester Bosch engineering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1290\" data-end=\"1293\"\u003e\n\u003ch3 data-start=\"1295\" data-end=\"1315\"\u003e\u003cstrong data-start=\"1299\" data-end=\"1315\"\u003eSuitable For\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1316\" data-end=\"1483\"\u003e\n\u003cli data-start=\"1316\" data-end=\"1337\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1337\"\u003e1–2 bedroom homes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1338\" data-end=\"1373\"\u003e\n\u003cp data-start=\"1340\" data-end=\"1373\"\u003eHomes with a hot water cylinder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1374\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1376\" data-end=\"1424\"\u003eSmall heating systems with low–moderate demand\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1425\" data-end=\"1483\"\u003e\n\u003cp data-start=\"1427\" data-end=\"1483\"\u003eReplacing older system boilers with minimal disruption\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1485\" data-end=\"1488\"\u003e\n\u003ch3 data-start=\"1490\" data-end=\"1515\"\u003e\u003cstrong data-start=\"1494\" data-end=\"1515\"\u003eInstallation Note\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1516\" data-end=\"1698\"\u003eTo ensure safe operation and maintain the manufacturer warranty, the Worcester Greenstar 4000 12kW System Boiler must be installed and commissioned by a Gas Safe registered engineer.\u003c\/p\u003e","brand":"Worcester Bosch","offers":[{"title":"Default Title","offer_id":56695139369305,"sku":null,"price":1305.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/177PR_A1.webp?v=1765364664"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/collections\/Worcester-Bosch-Logo_725ccacd-fc53-49a4-b1e7-4ea6bba4c8e1.png?v=1765538729","url":"https:\/\/plumbpartsxpressshop.com\/collections\/worcester-boiler.oembed","provider":"Plumbparts xpress","version":"1.0","type":"link"}