{"product_id":"worcester-bosch-greenstar-heatslave-ii-external-oil-combi-boiler","title":"Worcester Bosch Greenstar Heatslave II External Oil Combi Boiler 12\/18–25\/32kW","description":"\u003cdiv class=\"availability-notice\" style=\"border:2px solid #e68a2e;border-radius:6px;padding:12px 16px;margin:0 0 16px;background:#fff7ef;\"\u003e\u003cp\u003e\u003cstrong\u003eSupplied to order.\u003c\/strong\u003e Order-in boilers are usually with us in 2-4 working days. We confirm availability and the delivery or collection date when you order.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eWorcester Bosch Greenstar Heatslave II External Oil Combi Boiler 12\/18–25\/32kW\u003c\/h2\u003e\u003cp\u003eThe Greenstar Heatslave II External is Worcester Bosch's outdoor oil condensing combi in a green weatherproof, frost-protected cabinet. It frees up kitchen and utility space in off-gas homes and comes with its balanced flue kit.\u003c\/p\u003e\u003ch3\u003eKey points\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOutputs 12\/18, 18\/25 and 25\/32kW (2022+ models)\u003c\/li\u003e\n\u003cli\u003e950 x 640 x 770mm (H x W x D), IP45 cabinet with frost protection\u003c\/li\u003e\n\u003cli\u003eHot water flow rates of 15, 18 and 22 (Worcester's figures by model)\u003c\/li\u003e\n\u003cli\u003eEasyControl and solar compatible; HVO conversion kits available from Worcester\u003c\/li\u003e\n\u003cli\u003eCabinet-mounted balanced flue (rear or side); plume management up to 5m (4m on 25\/32)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x Worcester Bosch Greenstar Heatslave II External oil combi in the output you select\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlue included:\u003c\/strong\u003e balanced flue kit, flue damper, 100mm services duct, mains supply socket and utility key, as listed in Worcester's standard package\u003c\/li\u003e\n\u003cli\u003eLiterature pack and ErP label\u003c\/li\u003e\n\u003cli\u003eSide flue outlets need the \u003ca href=\"\/products\/worcester-bosch-greenstar-oilfit-80-125-90-degree-flue-bend-7716190034\"\u003e90° elbow 7716190034\u003c\/a\u003e (not in the box)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecification and price\u003c\/h3\u003e\u003cp\u003eDimensions (H x W x D): 950 x 640 x 770mm. Fuel: kerosene (class C2). Minimum mains inlet pressure 1.5 \/ 1.2 \/ 1.6 bar (12\/18, 18\/25, 25\/32).\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eOutput (CH \/ DHW)\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003cth\u003eOur code\u003c\/th\u003e\n\u003cth\u003ePrice (inc VAT)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/18\u003c\/td\u003e\n\u003ctd\u003e18kW \/ 18kW\u003c\/td\u003e\n\u003ctd\u003e151kg\u003c\/td\u003e\n\u003ctd\u003e7731600263\u003c\/td\u003e\n\u003ctd\u003ePLUMHEAT0427\u003c\/td\u003e\n\u003ctd\u003e£3,835.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e18\/25\u003c\/td\u003e\n\u003ctd\u003e25kW \/ 25kW\u003c\/td\u003e\n\u003ctd\u003e154kg\u003c\/td\u003e\n\u003ctd\u003e7731600264\u003c\/td\u003e\n\u003ctd\u003ePLUMHEAT0428\u003c\/td\u003e\n\u003ctd\u003e£4,055.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25\/32\u003c\/td\u003e\n\u003ctd\u003e32kW \/ 32kW\u003c\/td\u003e\n\u003ctd\u003e158kg\u003c\/td\u003e\n\u003ctd\u003e7731600265\u003c\/td\u003e\n\u003ctd\u003ePLUMHEAT0429\u003c\/td\u003e\n\u003ctd\u003e£4,159.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\u003cp\u003eTick these in the add-on list above Add to cart, or follow the links:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/worcester-bosch-easycontrol-ct200-smart-thermostat-white-7736701341\"\u003eWorcester Bosch EasyControl CT200 smart thermostat\u003c\/a\u003e: app and smart control; in stock in Lincoln.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/worcester-bosch-greenstar-magnetic-system-filter\"\u003eWorcester Bosch Greenstar magnetic system filter\u003c\/a\u003e: protects the system and is required for Worcester's extended guarantee.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/worcester-bosch-comfort-plus-ii-rf-wireless-programmable-thermostat-7738112324\"\u003eWorcester Bosch Comfort+ II RF programmable thermostat\u003c\/a\u003e: wireless programmable room control.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/worcester-bosch-greenstar-oilfit-plume-management-kit-7716190092\"\u003eOilfit plume management kit\u003c\/a\u003e: moves the plume away from windows and boundaries.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/worcester-bosch-greenstar-oilfit-flue-terminal-guard-7716190050\"\u003eStainless steel terminal guard\u003c\/a\u003e: for terminals within reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/worcester-bosch-greenstar-oilfit-80-125-90-degree-flue-bend-7716190034\"\u003eOilfit 90° elbow\u003c\/a\u003e: needed for side flue outlets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"compliance-notice\" style=\"border:2px solid #1f6feb;border-radius:6px;padding:12px 16px;margin:16px 0;\"\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation and guarantee\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstallation must be by a Gas Safe registered engineer (oil: OFTEC registered) and commissioned with the Benchmark checklist. Manufacturer guarantees require registration after installation and annual servicing; extended guarantee terms are the manufacturer's and may require their approved filter\/installer.\u003c\/p\u003e\n\u003cp\u003eOil installations also need a correctly sited tank and oil supply line with filter, isolation and a remote-sensing fire valve, to BS 5410 and Building Regulations. Worcester Bosch's current UK product page quotes \u003cstrong\u003eup to a 7 year guarantee\u003c\/strong\u003e (2 years standard; longer terms need a Greenstar System Filter and Worcester's registration terms).\u003c\/p\u003e\n\u003c\/div\u003e\u003ch3\u003eDelivery and collection\u003c\/h3\u003e\u003cp\u003eDelivered by pallet\/courier (£29.99 per order) or collect free from Leafbridge, Lincoln. Order-in boilers usually 2-4 working days.\u003c\/p\u003e\u003cp\u003eWorcester Bosch's Heatslave II External operating instructions and the ErP data sheets for each output are in the PDF downloads at the bottom of this page.\u003c\/p\u003e\u003cdiv class=\"shop-the-range\"\u003e\n\u003ch3\u003eShop the Worcester Bosch Greenstar oil range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/worcester-bosch-greenstar-heatslave-ii-oil-combi-boiler\"\u003eGreenstar Heatslave II oil combi (internal)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/worcester-bosch-greenstar-danesmoor-external-regular-oil-boiler\"\u003eGreenstar Danesmoor External regular\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/worcester-bosch-greenstar-danesmoor-external-system-oil-boiler\"\u003eGreenstar Danesmoor External System\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/worcester-bosch-greenstar-danesmoor-utility-regular-oil-boiler\"\u003eGreenstar Danesmoor Utility regular\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/worcester-bosch-greenstar-danesmoor-utility-system-oil-boiler\"\u003eGreenstar Danesmoor Utility System\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/worcester-bosch-greenstar-utility-regular-oil-boiler-32-50-50-70\"\u003eGreenstar Utility 32\/50 and 50\/70 regular\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFlues and accessories: \u003ca href=\"\/products\/worcester-bosch-greenstar-oilfit-plume-management-kit-7716190092\"\u003eplume kit\u003c\/a\u003e · \u003ca href=\"\/products\/worcester-bosch-plume-management-1m-extension\"\u003eplume extension\u003c\/a\u003e · \u003ca href=\"\/products\/worcester-bosch-greenstar-oilfit-plume-management-90-degree-elbow-7716190095\"\u003eplume 90° elbow\u003c\/a\u003e · \u003ca href=\"\/products\/worcester-bosch-greenstar-oilfit-plume-management-45-degree-elbows-pair-7716190094\"\u003eplume 45° elbows\u003c\/a\u003e · \u003ca href=\"\/products\/worcester-bosch-greenstar-oilfit-flue-terminal-guard-7716190050\"\u003eterminal guard\u003c\/a\u003e. Browse all \u003ca href=\"\/collections\/boilers\"\u003eboilers\u003c\/a\u003e and \u003ca href=\"\/collections\/central-heating-controls\"\u003ecentral heating controls\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Worcester Bosch","offers":[{"title":"12\/18kW","offer_id":60156663071104,"sku":"PLUMHEAT0427","price":3835.99,"currency_code":"GBP","in_stock":true},{"title":"18\/25kW","offer_id":60156663103872,"sku":"PLUMHEAT0428","price":4055.99,"currency_code":"GBP","in_stock":true},{"title":"25\/32kW","offer_id":60156663136640,"sku":"PLUMHEAT0429","price":4159.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/6344\/2467\/files\/worcester-greenstar-heatslave-ii-external-1600.webp?v=1792414366","url":"https:\/\/shop.the-glow-group.co.uk\/products\/worcester-bosch-greenstar-heatslave-ii-external-oil-combi-boiler","provider":"The Glow Group","version":"1.0","type":"link"}