{"product_id":"viessmann-7722777-vitodens-100-w-b1ke-199-199-000-btu-high-efficiency-combination-boiler","title":"Viessmann 7722777 Vitodens 100-W B1KE-199 199,000 BTU High Efficiency Combination Boiler","description":"\u003ch2\u003eViessmann 7722777 Vitodens 100‑W B1KE‑199 199,000 BTU High‑Efficiency Combination Boiler\u003c\/h2\u003e\n\u003cp\u003e\nLooking for one appliance that heats your whole home \u003cem\u003eand\u003c\/em\u003e gives you steady hot water? Meet the \n\u003cstrong\u003eViessmann Vitodens 100‑W B1KE‑199\u003c\/strong\u003e. This wall‑hung, \u003cstrong\u003ehigh‑efficiency condensing combi boiler\u003c\/strong\u003e is designed to be simple to own and easy to live with. \nIt sips fuel at \u003cstrong\u003e95% AFUE\u003c\/strong\u003e (think: more of your gas money turns into heat), smoothly ramps output with a \u003cstrong\u003e10:1 turndown ratio\u003c\/strong\u003e, and uses a long‑lasting \n\u003cstrong\u003eInox‑Radial stainless steel heat exchanger\u003c\/strong\u003e. Built‑in WiFi lets you use the \u003cstrong\u003eViCare\u003c\/strong\u003e app to adjust settings and get helpful alerts right from your phone.\n\u003c\/p\u003e\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 7722777 (Vitodens 100‑W B1KE‑199, Combi)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Wall‑Mounted, Gas‑Fired Condensing \u003cem\u003eCombi\u003c\/em\u003e Boiler\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Natural Gas or LP (field convertible; push‑button software change)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpace‑Heating Input:\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 Rating:\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\u003eDHW Continuous Draw:\u003c\/strong\u003e Up to 4.7 GPM @ 77°F rise\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Max Supply Temperature:\u003c\/strong\u003e 140°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Minimum Activation Flow:\u003c\/strong\u003e 0.5 GPM (plate heat exchanger)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVent Size \/ Options:\u003c\/strong\u003e 3\" flue; concentric 80\/125 mm (≈5\" × 3\") or 100\/150 mm; two‑pipe 3\" or 4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Equivalent Vent Lengths:\u003c\/strong\u003e Coax 80\/125: 33 ft; Coax 100\/150: 43 ft; Two‑pipe 3\": 98 ft; Two‑pipe 4\": 148 ft\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNOx Emissions:\u003c\/strong\u003e \u0026lt; 20 ppm (at 3% O\u003csub\u003e2\u003c\/sub\u003e)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAltitude:\u003c\/strong\u003e Up to 10,000 ft without input de‑rate (software setting)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e \u0026lt; 59 dBA at 1 m\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\u003eDHW Connections:\u003c\/strong\u003e 1\" NPT (hot supply \/ cold inlet)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Connection:\u003c\/strong\u003e 3\/4\" NPT (female)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × D × H):\u003c\/strong\u003e 17.75\" × 22\" × 34.5\" (450 × 556 × 875 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Built‑in boiler\/DHW pump, 30 psi boiler PRV, 150 psi DHW PRV, outdoor sensor, mounting kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited lifetime (residential applications)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eHigh Efficiency, Low Operating Costs\u003c\/h4\u003e\n\u003cp\u003eAFUE is like miles‑per‑gallon for boilers. At \u003cstrong\u003e95% AFUE\u003c\/strong\u003e, most of the fuel you buy becomes useful heat instead of waste. The wide \u003cstrong\u003e10:1 turndown\u003c\/strong\u003e means the B1KE‑199 can run gently on mild days and ramp up when it’s freezing—saving gas while keeping rooms comfortable.\u003c\/p\u003e\n\u003ch4\u003eOn‑Demand Domestic Hot Water\u003c\/h4\u003e\n\u003cp\u003eNo storage tank to run out or reheat. When a faucet opens, the combi’s plate heat exchanger provides up to \u003cstrong\u003e4.7 GPM at a 77°F rise\u003c\/strong\u003e—plenty for busy families. A low \u003cstrong\u003e0.5 GPM\u003c\/strong\u003e activation flow helps smaller draws feel more responsive.\u003c\/p\u003e\n\u003ch4\u003eDurable Stainless Steel Core\u003c\/h4\u003e\n\u003cp\u003eCondensing boilers make a lot of moisture in the heat exchanger—so materials matter. Viessmann’s \u003cstrong\u003eInox‑Radial stainless steel heat exchanger\u003c\/strong\u003e, paired with the \u003cstrong\u003eMatriX‑Plus\u003c\/strong\u003e burner, is built to resist corrosion and stay efficient year after year. It’s backed by a \u003cstrong\u003elimited lifetime residential warranty\u003c\/strong\u003e for peace of mind.\u003c\/p\u003e\n\u003ch4\u003eQuiet, Compact, Easy To Install\u003c\/h4\u003e\n\u003cp\u003eAt about \u003cstrong\u003e17.75\" wide\u003c\/strong\u003e, this wall‑hung boiler tucks neatly into utility rooms and closets. It allows \u003cstrong\u003ezero clearance to combustibles\u003c\/strong\u003e and offers \u003cstrong\u003efront‑access service\u003c\/strong\u003e so technicians can work quickly. Sound levels under \u003cstrong\u003e59 dBA\u003c\/strong\u003e help keep things calm at home.\u003c\/p\u003e\n\u003ch4\u003eFlexible Fuel \u0026amp; Venting\u003c\/h4\u003e\n\u003cp\u003eSticking with natural gas or switching to propane later? Either works. For venting, choose \u003cstrong\u003econcentric (coaxial)\u003c\/strong\u003e or \u003cstrong\u003etwo‑pipe\u003c\/strong\u003e layouts. With equivalent lengths up to \u003cstrong\u003e148 ft\u003c\/strong\u003e (4\" two‑pipe), longer runs are supported. The unit is rated for \u003cstrong\u003ealtitudes up to 10,000 ft\u003c\/strong\u003e without reducing input and meets \u003cstrong\u003e\u0026lt;20 ppm NOx\u003c\/strong\u003e requirements.\u003c\/p\u003e\n\u003ch4\u003eSmartphone Control Built In\u003c\/h4\u003e\n\u003cp\u003eConnect to WiFi and use the \u003cstrong\u003eViCare\u003c\/strong\u003e app to adjust temperatures, set hot‑water schedules, and receive helpful notifications. It’s an easy way to stay in control from anywhere.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your home's heating and hot water system, enjoy uninterrupted comfort, and experience the energy-efficient benefits of the Viessmann Vitodens 100 B1KE-199. Shop with Plumbing Deals to ensure your home is warm and inviting all year round!\u003c\/p\u003e\n\u003cp\u003e Want to learn more about this boiler? Read more about it in our article on \u003ca href=\"https:\/\/plumbing-deals.com\/plumbing-blog\/buying-guides-top-steam-boilers-of-2025\/\"\u003ethe best steam boilers.\u003c\/a\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eWant to learn more about this high efficiency boiler? Check out our article on all things \u003ca href=\"https:\/\/plumbing-deals.com\/plumbing-blog\/pumps-water-heaters-and-boilers-high-efficiency-boilers\/\"\u003ehigh efficiency boilers\u003c\/a\u003e.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":43932156723251,"sku":"VIESB1KE199","price":4618.26,"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_c2736b31-c243-4287-a377-daf0cd616ac9.png?v=1771541789","url":"https:\/\/plumbing-deals.com\/products\/viessmann-7722777-vitodens-100-w-b1ke-199-199-000-btu-high-efficiency-combination-boiler","provider":"Plumbing Deals","version":"1.0","type":"link"}