{"product_id":"worcester-bosch-greenstar-4000-system-boiler","title":"Worcester Bosch Greenstar 4000 System Boiler","description":"\u003cp\u003eA system boiler works with a hot water cylinder, so it's ideal for homes with more than one bathroom, where several taps and showers run at once. The Greenstar 4000 is a compact, reliable system boiler from one of the UK's most trusted brands.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e system boiler (natural gas), for use with an unvented or vented cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt in:\u003c\/strong\u003e pump and expansion vessel, for a neater, faster install than a regular boiler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizing:\u003c\/strong\u003e choose the output (kW) to suit your home's heating demand\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSupply only.\u003c\/strong\u003e Gas boilers must be installed and commissioned by a Gas Safe registered engineer, and registered with the manufacturer to activate the warranty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFree UK delivery.\u003c\/strong\u003e Need help choosing the right size? Call 0333 323 1738.\u003c\/p\u003e","brand":"Worcester Bosch","offers":[{"title":"12kW","offer_id":58640248045899,"sku":"TS-AH994","price":1908.99,"currency_code":"GBP","in_stock":true},{"title":"15kW","offer_id":58640248078667,"sku":"TS-AH996","price":2002.99,"currency_code":"GBP","in_stock":true},{"title":"18kW","offer_id":58640248111435,"sku":"TS-AH974","price":2093.99,"currency_code":"GBP","in_stock":true},{"title":"21kW","offer_id":58640248144203,"sku":"TS-AH976","price":2226.99,"currency_code":"GBP","in_stock":true},{"title":"24kW","offer_id":58640248176971,"sku":"TS-AH975","price":2296.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/6542\/1643\/files\/AH975.jpg?v=1790699755","url":"https:\/\/citiplumbing.co.uk\/products\/worcester-bosch-greenstar-4000-system-boiler","provider":"Citi Plumbing","version":"1.0","type":"link"}