{"product_id":"viessmann-7722773-vitodens-100-w-b1he-120-120-000-btu-high-efficiency-hyrdronic-boiler","title":"Viessmann 7722773 Vitodens 100-W B1HE-120 120,000 BTU High Efficiency Hyrdronic Boiler","description":"\u003ch2\u003eViessmann 7722773 Vitodens 100‑W B1HE‑120 | 120,000 BTU High‑Efficiency Wall‑Hung Condensing Hydronic Boiler\u003c\/h2\u003e\n\n\u003cp\u003e\nLooking for reliable heat without taking up floor space? The \u003cstrong\u003eVitodens 100‑W B1HE‑120\u003c\/strong\u003e is a \u003cstrong\u003eheating‑only, wall‑hung gas condensing boiler\u003c\/strong\u003e that’s efficient, quiet, and easy to live with. It runs at \u003cstrong\u003e95% AFUE\u003c\/strong\u003e, modulates with a wide \u003cstrong\u003e10:1 turndown ratio\u003c\/strong\u003e, and uses an \u003cstrong\u003eInox‑Radial stainless steel heat exchanger\u003c\/strong\u003e to help keep performance high season after season. Built‑in WiFi works with \u003cstrong\u003eViCare\u003c\/strong\u003e for simple control from your phone.\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Viessmann\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 7722773 (Vitodens 100‑W B1HE‑120, Heating‑Only)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Wall‑Mounted, Gas‑Fired Condensing Hydronic Boiler (Heating‑Only)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Natural Gas or LP (software conversion)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Range:\u003c\/strong\u003e 12–120 MBH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDOE Heating Capacity:\u003c\/strong\u003e 113 MBH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet AHRI (Water):\u003c\/strong\u003e 98 MBH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAFUE:\u003c\/strong\u003e 95%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurndown Ratio:\u003c\/strong\u003e 10:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Operating Pressure:\u003c\/strong\u003e 60 psig\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVenting (Coaxial):\u003c\/strong\u003e 80\/125 mm concentric (5\"×3\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVenting (Two‑Pipe):\u003c\/strong\u003e 3\" or 4\" polypropylene\/CPVC (equivalent lengths commonly up to ~98 ft for 3\" and ~148 ft for 4\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeating Connections:\u003c\/strong\u003e 3\/4\" NPT (supply\/return)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Connection:\u003c\/strong\u003e 3\/4\" NPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e 120V, 60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × D × H):\u003c\/strong\u003e ~17.7\" × 19.7\" × 33.8\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e 30 psi pressure relief valve, installation fittings, outdoor temperature sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited lifetime heat exchanger (residential; see terms)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eHigh Efficiency, Lower Fuel Bills\u003c\/h4\u003e\n\u003cp\u003e\nAt \u003cstrong\u003e95% AFUE\u003c\/strong\u003e with a \u003cstrong\u003e10:1 turndown ratio\u003c\/strong\u003e, the B1HE‑120 matches output to demand to reduce cycling and help cut gas costs.\n\u003c\/p\u003e\n\n\u003ch4\u003eHeating‑Only, Ideal For Indirect Hot Water\u003c\/h4\u003e\n\u003cp\u003e\nKeep space heating and domestic hot water separate. Pair the B1HE‑120 with an \u003cstrong\u003eindirect tank\u003c\/strong\u003e for abundant hot water and simple controls.\n\u003c\/p\u003e\n\n\u003ch4\u003eStainless Steel Heat Exchanger\u003c\/h4\u003e\n\u003cp\u003e\nThe \u003cstrong\u003eInox‑Radial\u003c\/strong\u003e stainless‑steel heat exchanger is purpose‑built for condensing operation—resisting corrosion and supporting long service life.\n\u003c\/p\u003e\n\n\u003ch4\u003eCompact, Quiet, Easy To Service\u003c\/h4\u003e\n\u003cp\u003e\nA slim, \u003cstrong\u003e17.7\"‑wide\u003c\/strong\u003e cabinet and \u003cstrong\u003efront‑access\u003c\/strong\u003e components make tight installs and annual service straightforward.\n\u003c\/p\u003e\n\n\u003ch4\u003eFlexible Fuel \u0026amp; Venting Options\u003c\/h4\u003e\n\u003cp\u003e\nConvert between \u003cstrong\u003enatural gas and LP\u003c\/strong\u003e in software. Choose \u003cstrong\u003e80\/125 mm concentric\u003c\/strong\u003e or \u003cstrong\u003e3\"\/4\" two‑pipe\u003c\/strong\u003e venting to handle longer runs and tricky layouts.\n\u003c\/p\u003e\n\n\u003ch4\u003eSmartphone Control With ViCare\u003c\/h4\u003e\n\u003cp\u003e\nBuilt‑in WiFi connects to the \u003cstrong\u003eViCare\u003c\/strong\u003e app so you can view temperatures, set schedules, and receive alerts right from your phone.\n\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.viessmann-us.com\/content\/dam\/public-brands\/us\/pdf\/technical-data-manuals\/vitodens_100-b1he_tdm.pdf\/_jcr_content\/renditions\/original.media_file.download_attachment.file\/vitodens_100-b1he_tdm.pdf\"\u003eTechnical Data Manual\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.afsupply.com\/pub\/media\/catalog\/product\/matridtech\/viessmann\/spec\/vitodens_100b1he_is.pdf\"\u003eInstallation and Service Manual\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.viessmann-us.com\/content\/dam\/public-brands\/us\/flyers\/Vitodens_100_W_B1HE_B1KE_06_2021.pdf\/_jcr_content\/renditions\/original.media_file.download_attachment.file\/Vitodens_100_W_B1HE_B1KE_06_2021.pdf\"\u003eProduct Flyer\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.afsupply.com\/pub\/media\/catalog\/product\/matridtech\/viessmann\/spec\/user_manual_vitodens_100.pdf\"\u003eApplication Guide\u003c\/a\u003e\u003cbr\u003e","brand":"VIESSMANN","offers":[{"title":"Default Title","offer_id":43932325150771,"sku":"VIESB1HE120","price":3188.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/Vitodens-200-W_B2HE_120-MBH_Front_1280x1280_transparent_3d9fe5bb-a466-4946-94e9-98c9099c93fb.png?v=1771541391","url":"https:\/\/plumbing-deals.com\/products\/viessmann-7722773-vitodens-100-w-b1he-120-120-000-btu-high-efficiency-hyrdronic-boiler","provider":"Plumbing Deals","version":"1.0","type":"link"}