Viessmann 7722775 Vitodens 100-W B1HE-199 199,000 BTU High Efficiency Hyrdronic Boiler

Description

From Plumbing Deals' product listing.

Heat Your Home Smarter With The Viessmann Vitodens 100‑W B1HE‑199 | 199,000 BTU Wall‑Hung Condensing Boiler (7722775) Looking for powerful, efficient heat without giving up floor space? The Vitodens 100‑W B1HE‑199 is a heating‑only, wall‑hung gas condensing boiler that pairs everyday simplicity with serious performance. You get a 95% AFUE, a wide 10:1 turndown to match output to demand, and Viessmann’s proven Inox‑Radial stainless steel heat exchanger for long‑term reliability. Built‑in WiFi connects to the ViCare app so you can check status and adjust schedules right from your phone. Brand: Viessmann MPN: 7722775 (Vitodens 100‑W B1HE‑199, Heating‑Only) Type: Wall‑Mounted, Gas‑Fired Condensing Hydronic Boiler (Heating‑Only) Fuel: Natural Gas or LP (software conversion; no mechanical changes) Input Range: 19.9–199 MBH DOE Heating Capacity: 187 MBH Net AHRI (Water): 163 MBH AFUE: 95% Turndown Ratio: 10:1 Max Operating Pressure: 60 psig Venting (Coaxial): 80/125 mm concentric Venting (Two‑Pipe): 3" polypropylene/CPVC (direct‑vent sealed combustion) Heating Connections: 1" NPT (supply/return) Gas Connection: 3/4" NPT Electrical: 120V, 60 Hz Included: Built‑in boiler pump, 30 psi pressure relief valve, installation fittings, outdoor temperature sensor Dimensions (W × D × H): ~17.7" × ~22" × ~39" Altitude: Approved to 10,000 ft (no input de‑rate in software) Warranty: Limited lifetime heat exchanger (residential; see terms) High Efficiency, Lower Fuel Bills The Vitodens 100‑W runs at 95% AFUE and modulates over a 10:1 range to match real‑world loads. That means fewer on/off cycles, quieter operation, and less wasted energy throughout the heating season. Stainless Steel Heat Exchanger At the core is Viessmann’s Inox‑Radial stainless‑steel heat exchanger, built to resist corrosion in condensing operation and deliver steady efficiency year after year. Compact, Wall‑Hung Footprint A slim 17.7‑inch‑wide cabinet mounts on the wall to free up floor space. Front‑access service points and bottom‑entry piping help speed up installation and maintenance. Flexible Fuel & Venting Switch between natural gas and LP in software—no orifice swap needed. Choose 80/125 mm concentric or 3" two‑pipe venting to work around longer runs and tricky retrofit layouts. Smartphone Control With ViCare Built‑in WiFi connects to Viessmann’s ViCare app so you can view temperatures, set schedules, and get alerts from virtually anywhere. Want to learn more about this boiler? Read more about it in our article on the best steam boilers.