{"product_id":"opus-calypso-g-wood-burning-boiler-stove","title":"Opus Calypso G Wood Burning Boiler Stove with Glass Door","description":"\u003cp\u003eThe Opus Calypso G is the glass door version of Opus's Calypso boiler stove. It gives 8.3kW in total, 3.4kW to the room and 4.9kW to water for hot water and radiators, at 83.9% efficiency. The Calypso G SE is exempt for use in smoke control areas in England when burning approved fuel.\u003c\/p\u003e\u003ch2\u003eWhy choose the Opus Calypso G\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFull-height glass door for a clear view of the fire.\u003c\/li\u003e\n\u003cli\u003e8.3kW nominal: 3.4kW to the room and 4.9kW to water, at 83.9% efficiency; Ecodesign ready.\u003c\/li\u003e\n\u003cli\u003eSupplied pre-plumbed, with the overheat safety valve, air vent and pressure relief valve behind the rear panel.\u003c\/li\u003e\n\u003cli\u003eSuits open-vented and pressurised heating systems.\u003c\/li\u003e\n\u003cli\u003eSE version exempt in England for smoke control areas on wood logs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWill it suit your space?\u003c\/h2\u003e\u003cp\u003eWith only 3.4kW going into the room, the Calypso suits well-insulated homes; Opus says it should cover a good share of the heat and hot water in a well-insulated small to medium house. Your installer's heat-loss check will confirm the size.\u003c\/p\u003e\u003cp\u003eIt stands 1166mm tall, 565mm wide and 462mm deep, takes a 150mm top flue, and needs 150mm to combustible materials behind and 200mm at the sides.\u003c\/p\u003e\u003cdiv class=\"gf-desc-specs\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eOpus Calypso G \/ Calypso G SE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeat output\u003c\/th\u003e\n\u003ctd\u003e8.3kW nominal (3.4kW to the room, 4.9kW to water)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003ctd\u003e83.9%, energy class A+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel\u003c\/th\u003e\n\u003ctd\u003eWood logs only, up to 330mm long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eH 1166 x W 565 x D 462mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlue\u003c\/th\u003e\n\u003ctd\u003e150mm, top outlet only (centre 196mm from the back)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater system\u003c\/th\u003e\n\u003ctd\u003eSupplied pre-plumbed; open-vented or pressurised systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to combustibles\u003c\/th\u003e\n\u003ctd\u003e150mm rear, 200mm sides\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEcodesign\u003c\/th\u003e\n\u003ctd\u003eEcodesign ready\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSmoke control\u003c\/th\u003e\n\u003ctd\u003eCalypso G SE exempt in England on wood logs; Calypso G not exempt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e3 years (1 year without a load unit or load valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003ch2\u003eInstallation and safety\u003c\/h2\u003e\u003cp\u003eHave it fitted by a HETAS-registered installer or signed off by Building Control, with a carbon monoxide alarm in the same room.\u003c\/p\u003e\u003cp\u003eA competent installer must connect the water side. Opus cuts its warranty to 1 year on boiler models without a load unit or load valve, so include one.\u003c\/p\u003e\u003cdiv class=\"gf-desc-faq\"\u003e\n\u003ch2\u003eQuestions\u003c\/h2\u003e\n\u003ch3\u003eCan I use it in a smoke control area?\u003c\/h3\u003e\n\u003cp\u003eOnly the Calypso G SE. DEFRA lists the Opus Calypso Boiler Stove as exempt in England for wood logs when fitted with a permanent secondary air stop, which is the SE version. The Calypso G is not exempt.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with a pressurised heating system?\u003c\/h3\u003e\n\u003cp\u003eYes. It suits both open-vented and pressurised systems.\u003c\/p\u003e\n\u003ch3\u003eHow is it different from the standard Calypso?\u003c\/h3\u003e\n\u003cp\u003eThe G has a full-height glass door. Output, efficiency and size are the same.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003eSee more \u003ca href=\"\/collections\/boiler-stove\"\u003eboiler stoves\u003c\/a\u003e, \u003ca href=\"\/collections\/opus-stoves\"\u003eOpus stoves\u003c\/a\u003e and \u003ca href=\"\/collections\/defra-approved-stoves\"\u003eDEFRA approved stoves\u003c\/a\u003e, or the standard \u003ca href=\"\/products\/opus-calypso-boiler-stove\"\u003eOpus Calypso\u003c\/a\u003e.\u003c\/p\u003e","brand":"Opus","offers":[{"title":"Calypso G","offer_id":57004997640578,"sku":"GF-OPUS-CALYPSO-G","price":3830.0,"currency_code":"GBP","in_stock":true},{"title":"Calypso G SE (smoke control exempt)","offer_id":57004997673346,"sku":"GF-OPUS-CALYPSO-G-SE","price":3915.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/4037\/1710\/files\/opus-calypso-g-page-gallery-3.jpg?v=1793251332","url":"https:\/\/www.glowingflames.co.uk\/products\/opus-calypso-g-wood-burning-boiler-stove","provider":"Glowing Flames","version":"1.0","type":"link"}