B1HE-199 Viessmann Vitodens 100-W 18.5-187 BTU Output 95% Efficient Gas Boiler

• Fits any home and budget with high performance at an attractive price
• Lasting performance with proven Viessmann titanium-stabilized stainless steel Inox-Radial heat exchanger
• Easy piping due to two sets of tappings, along with built-in pump and diverter
• Suitable for high altitudes up to 10,000 ft (3,000 m) with no power loss and automatic software vent length adjustment
• Reliable on-demand domestic hot water with Vitodens 100-W, B1KE combi models
• Low-emission combustion for environmentally-friendly operation. Less than 20 ppm NOx (at 3% O2)
• Fully-modulating input with 10:1 turn-down ratio eliminates energy waste
• Extremely quiet operation, quieter than most refrigerators

Install Instructions
Specification Sheet

Vitodens 100-W is a gas-fired wall-mounted condensing boiler with modulating Matrix-Plus cylinder burner and Inox-Radial heat exchanger made of stainless steel. Rated input-8.5 to 199 MBH.