Vitodens 200-W B2HE Gas Condensing Boiler - 95% AFUE And Smart Heating Control

Vitodens 200-W B2HE is a wall-mounted gas condensing boiler with rated input from 8,500 to 199,000 BTU and an AFUE efficiency of 95%. For multi-zone hydronic heating, its integrated control can manage up to four heating circuits with outdoor reset functionality.

Vitodens 200-W B2HE by Viessmann is a high-efficiency, wall-mounted gas condensing boiler for hydronic heating systems, combining a modulating MatriX-Plus cylinder burner with a stainless-steel Inox-Radial heat exchanger to deliver up to 199,000 BTU of input at 95% AFUE efficiency in residential and light commercial applications.Vitodens 200-W B2HE product page

Key Specs For US Hydronic Installations

The Vitodens 200-W B2HE series covers four input sizes: B2HE-85, B2HE-120, B2HE-150 and B2HE-199, with natural gas rated input ranging from a minimum of 8,500 BTU for the 85,000 and 120,000 BTU models up to a maximum of 199,000 BTU for the largest unit.Input and efficiency specs

For natural gas, the maximum input ratings are 85,000 BTU (24.9 kW) for B2HE-85, 120,000 BTU (35.2 kW) for B2HE-120, 150,000 BTU (44.0 kW) for B2HE-150 and 199,000 BTU (58.3 kW) for B2HE-199, all with an AFUE efficiency of 95%.AFUE and BTU range

The boiler uses natural gas or liquid propane as fuel and is designed as a compact wall-mounted unit, with listed weights of 108 lb (49 kg) for the B2HE-85 and B2HE-120 and 179 lb (81 kg) for the B2HE-150 and B2HE-199, allowing installation in utility rooms, basements or dedicated mechanical spaces.Fuel type and weight

Smart Heating Control And Multi-Zone Capability

Vitodens 200-W B2HE integrates Viessmann digital controls capable of managing up to four heating circuits, making it suitable for homes with multiple hydronic zones or mixed-temperature circuits where space heating and indirect domestic hot water require different supply temperatures.Heating circuit control

The Inox-Radial stainless-steel heat exchanger is engineered for condensing operation and high corrosion resistance, supporting long service life in closed-loop hydronic systems while maintaining a 95% AFUE rating when properly installed and vented.Inox-Radial heat exchanger details

Pricing, Market Position And Alternatives

A US hydronic supplier lists the Vitodens 200-W B2HA-311 gas-fired wall-mounted condensing boiler, which shares the Vitodens 200-W platform, indicating commercial input ratings up to 311,000 BTU and confirming its positioning in the premium condensing boiler segment compared with conventional non-condensing gas units.Vitodens 200-W B2HA listing

Technical documentation for the broader Vitodens 200-W B2HA series shows CSA thermal efficiency ratings up to 94.5% for models with inputs from 71,000 to 530,000 BTU, so the B2HE line's 95% AFUE places it competitively among high-efficiency wall-mounted condensing boilers used in both residential and multi-boiler cascade systems.Vitodens 200-W B2HA technical manual

Context In The Condensing Boiler Segment

Within Viessmann's portfolio, Vitodens 200-W B2HE sits above smaller residential boilers and below large commercial cascade systems, offering wall-mounted installation, a 95% AFUE rating and digital control over up to four heating circuits for homeowners and installers looking to combine high efficiency with multi-zone hydronic comfort.

Key Facts: Vitodens 200-W B2HE Gas Condensing Boiler

• Product: Vitodens 200-W B2HE wall-mounted gas condensing boiler (B2HE-85 to B2HE-199)
• Manufacturer: Viessmann Manufacturing Company (US sales via Viessmann US)
• Category: Wall-mounted gas condensing boiler
• Input range (NG): 8,500 to 199,000 BTU
• Efficiency: 95% AFUE
• Weight: 108 lb for B2HE-85/B2HE-120; 179 lb for B2HE-150/B2HE-199
• Fuel type: Natural gas or liquid propane
• Target audience: US homeowners and installers needing high-efficiency multi-zone hydronic heating