{"product_id":"bosch-kwb42-3-combi-water-boiler","title":"Bosch KWB42-3 Combi Water Boiler Greenstar (NG or LP)","description":"\u003cp\u003eThe Bosch Greenstar KWB42‑3 combi water boiler is a premium floor‑standing condensing combination boiler engineered to deliver powerful hydronic heating and continuous domestic hot water from a single, high‑efficiency appliance. With 151,000 BTU of heating capacity, 95% AFUE, and a reliable 5:1 turndown ratio, this Greenstar NG or LP combi water boiler is ideal for homeowners seeking Bosch’s renowned performance in a traditional floor‑mount configuration. It operates on natural gas or propane, offering flexibility for a wide range of installations.\u003c\/p\u003e\n\n\u003cp\u003eKey Features\u003cbr\u003eHigh‑Efficiency Condensing Technology\u003cbr\u003e95% AFUE for excellent energy savings\u003c\/p\u003e\n\n\u003cp\u003eProven aluminum‑silicon heat exchanger for long‑term durability\u003c\/p\u003e\n\n\u003cp\u003eLow NOx emissions for cleaner, environmentally responsible operation\u003c\/p\u003e\n\n\u003cp\u003eCombi System: Heat + Hot Water\u003cbr\u003eProvides hydronic space heating and on‑demand domestic hot water\u003c\/p\u003e\n\n\u003cp\u003eEliminates the need for a separate water heater\u003c\/p\u003e\n\n\u003cp\u003eIdeal for homes with moderate to high hot‑water demand\u003c\/p\u003e\n\n\u003cp\u003e151,000 BTU Heating Output\u003cbr\u003eStrong, reliable heating performance for larger homes\u003c\/p\u003e\n\n\u003cp\u003eSmooth, consistent operation even during colder weather\u003c\/p\u003e\n\n\u003cp\u003e5:1 Turndown Ratio\u003cbr\u003eEfficient burner modulation for precise temperature control\u003c\/p\u003e\n\n\u003cp\u003eReduces cycling and improves overall system efficiency\u003c\/p\u003e\n\n\u003cp\u003eFuel Flexibility\u003cbr\u003eOperates on natural gas or propane\u003c\/p\u003e\n\n\u003cp\u003eSuitable for both urban and rural installations\u003c\/p\u003e\n\n\u003cp\u003eFloor‑Standing Design\u003cbr\u003eStable, durable cabinet ideal for basements and mechanical rooms\u003c\/p\u003e\n\n\u003cp\u003eExcellent replacement option for older floor‑mount boilers\u003c\/p\u003e\n\n\u003cp\u003eBosch Standard Controls\u003cbr\u003eSimple, intuitive interface\u003c\/p\u003e\n\n\u003cp\u003eBuilt‑in diagnostics streamline service and maintenance\u003c\/p\u003e\n\n\u003cp\u003eCompatible with Bosch smart controls and outdoor reset options\u003c\/p\u003e\n\n\u003cp\u003eDimensions\u003c\/p\u003e\n\n\u003cp\u003eHeight: 41.0 in\u003c\/p\u003e\n\n\u003cp\u003eWidth: 17.3 in\u003c\/p\u003e\n\n\u003cp\u003eDepth: 23.0 in\u003c\/p\u003e\n\n\u003cp\u003eIdeal For\u003cbr\u003eHomes needing both hydronic heat and domestic hot water\u003c\/p\u003e\n\n\u003cp\u003eHigh‑efficiency natural gas or propane installations\u003c\/p\u003e\n\n\u003cp\u003eReplacement of older floor‑standing boilers\u003c\/p\u003e\n\n\u003cp\u003eMechanical rooms where wall‑mounting isn’t practical\u003c\/p\u003e","brand":"Installed HVAC Pros","offers":[{"title":"Default Title","offer_id":48191714296059,"sku":"BCHKWB42-3","price":12292.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9406\/6171\/files\/526980_4230a4bc-87fe-423c-8cbc-9139379f6c25.jpg?v=1774886158","url":"https:\/\/installedhvacpros.com\/products\/bosch-kwb42-3-combi-water-boiler","provider":"Installed HVAC Pros","version":"1.0","type":"link"}