{"product_id":"viessmann-7722775-vitodens-100-w-b1he-199-199-000-btu-high-efficiency-hyrdronic-boiler","title":"Viessmann 7722775 Vitodens 100-W B1HE-199 199,000 BTU High Efficiency Hyrdronic Boiler","description":"\u003ch2\u003eHeat Your Home Smarter With The Viessmann Vitodens 100‑W B1HE‑199 | 199,000 BTU Wall‑Hung Condensing Boiler (7722775)\u003c\/h2\u003e\n\n\n\u003cp\u003e\nLooking for powerful, efficient heat without giving up floor space? The \u003cstrong\u003eVitodens 100‑W B1HE‑199\u003c\/strong\u003e is a \u003cstrong\u003eheating‑only, wall‑hung gas condensing boiler\u003c\/strong\u003e that pairs everyday simplicity with serious performance. You get a \u003cstrong\u003e95% AFUE\u003c\/strong\u003e, a wide \u003cstrong\u003e10:1 turndown\u003c\/strong\u003e to match output to demand, and Viessmann’s proven \u003cstrong\u003eInox‑Radial stainless steel heat exchanger\u003c\/strong\u003e for long‑term reliability. Built‑in WiFi connects to the \u003cstrong\u003eViCare\u003c\/strong\u003e app so you can check status and adjust schedules right from your phone.\n\u003c\/p\u003e\n\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 7722775 (Vitodens 100‑W B1HE‑199, 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; no mechanical changes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Range:\u003c\/strong\u003e 19.9–199 MBH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDOE Heating Capacity:\u003c\/strong\u003e 187 MBH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet AHRI (Water):\u003c\/strong\u003e 163 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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVenting (Two‑Pipe):\u003c\/strong\u003e 3\" polypropylene\/CPVC (direct‑vent sealed combustion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Connections:\u003c\/strong\u003e 1\" 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\u003eIncluded:\u003c\/strong\u003e Built‑in boiler pump, 30 psi pressure relief valve, installation fittings, outdoor temperature sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W × D × H):\u003c\/strong\u003e ~17.7\" × ~22\" × ~39\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAltitude:\u003c\/strong\u003e Approved to 10,000 ft (no input de‑rate in software)\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\n\u003ch4\u003eHigh Efficiency, Lower Fuel Bills\u003c\/h4\u003e\n\u003cp\u003e\nThe Vitodens 100‑W runs at \u003cstrong\u003e95% AFUE\u003c\/strong\u003e and modulates over a \u003cstrong\u003e10:1\u003c\/strong\u003e range to match real‑world loads. That means fewer on\/off cycles, quieter operation, and less wasted energy throughout the heating season.\n\u003c\/p\u003e\n\n\n\u003ch4\u003eStainless Steel Heat Exchanger\u003c\/h4\u003e\n\u003cp\u003e\nAt the core is Viessmann’s \u003cstrong\u003eInox‑Radial\u003c\/strong\u003e stainless‑steel heat exchanger, built to resist corrosion in condensing operation and deliver steady efficiency year after year.\n\u003c\/p\u003e\n\n\n\u003ch4\u003eCompact, Wall‑Hung Footprint\u003c\/h4\u003e\n\u003cp\u003e\nA slim \u003cstrong\u003e17.7‑inch‑wide\u003c\/strong\u003e cabinet mounts on the wall to free up floor space. Front‑access service points and bottom‑entry piping help speed up installation and maintenance.\n\u003c\/p\u003e\n\n\n\u003ch4\u003eFlexible Fuel \u0026amp; Venting\u003c\/h4\u003e\n\u003cp\u003e\nSwitch between \u003cstrong\u003enatural gas and LP\u003c\/strong\u003e in software—no orifice swap needed. Choose \u003cstrong\u003e80\/125 mm concentric\u003c\/strong\u003e or \u003cstrong\u003e3\" two‑pipe\u003c\/strong\u003e venting to work around longer runs and tricky retrofit layouts.\n\u003c\/p\u003e\n\n\n\u003ch4\u003eSmartphone Control With ViCare\u003c\/h4\u003e\n\u003cp\u003e\nBuilt‑in WiFi connects to Viessmann’s \u003cstrong\u003eViCare\u003c\/strong\u003e app so you can view temperatures, set schedules, and get alerts from virtually anywhere.\n\u003c\/p\u003e\n\n\u003cp\u003e Want to learn more about this boiler? Read more about it in our article on \u003ca href=\"https:\/\/plumbing-deals.com\/blogs\/plumbing-blog\/the-best-steam-boilers-of-2025-a-comprehensive-guide\"\u003ethe best steam boilers.\u003c\/a\u003e\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":43932325412915,"sku":"VIESB1HE199","price":4348.17,"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_9ea37a92-b89f-403e-9d2e-71562715924d.png?v=1771541381","url":"https:\/\/plumbing-deals.com\/products\/viessmann-7722775-vitodens-100-w-b1he-199-199-000-btu-high-efficiency-hyrdronic-boiler","provider":"Plumbing Deals","version":"1.0","type":"link"}