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Viessmann Vitodens 100-W B1KA-35 Combi Boiler

Viessmann Vitodens

Viessmann Vitodens 100-W B1KA-35 Combi Boiler

$ 3,250.00 $ 4,100.00

Viessmann Vitodens 100-W B1KA-35

On-demand DHW with Vitodens 100-W, B1KA-35 Combi boiler

Gas-fired wall-mounted condensing boiler


High-efficiency domestic hot water (DHW) and space heating are now combined in the new Vitodens 100-W, B1KA Combi boiler. Say goodbye to your DHW tank and experience reliable hot water all day long with an outstanding flow rate of up to 3.7 GPM†, plus added cost savings with the energy-saving on-demand indirect-fired design. Installation is easy with the new B1KA-35 Combi boiler as the brazed-plate stainless steel heat exchanger, pressure bypass valve, DHW temperature and flow sensors, 3-speed pump and 3-way diverting valve are
built-in to form one compact, lightweight,
space saving unit.

Every home. Every budget.

With its outstanding design price/performance ratio, the Vitodens 100 B1KA-35 is the perfect mix of performance and value. Its compact design, zero clearance to combustibles and extremely quiet operation make the Vitodens 100 B1KA-35 an ideal choice even in the smallest spaces. Plus, with a residential lifetime warranty you can be sure your investment will deliver long-lasting performance year after year.

Reliable and consistent performance

Stainless steel is the best choice for long term reliability. That’s why the Vitodens 100 B1KA-35 is equipped with a stainless steel Inox-Radial heat exchanger and MatriX cylinder burner. Developed and manufactured by Viessmann, these high-quality stainless steel components maximize performance and reliability. Plus, the “self-cleaning” heat exchanger contributes to the boiler’s long service life and dependable performance.

Outstanding versatility

The Vitodens 100 B1KA-35 offers the right solution for every demand – from multiple venting options to fuel flexibility (NG or LP) right out of the box. Plus, installation, service and maintenance are designed to be fast and easy with all pipe connections located at the bottom and serviceable components easily accessible from the front. You’ll save time and money with fast service and maintenance calls.

Helps you save!
Select an easy-to-use room thermostat and utilize the boiler’s on-board control, which automatically adjusts the boiler water to outdoor temperatures. This not only boosts fuel savings, but also keeps your home warm and comfortable at all times.  User-friendly touchscreen control unit The Vitodens 100-W B1KA-35 gas condensing boilers are controlled by the new, one hand touchscreen control with enhanced programming. The backlit LCD touchscreen display offers excellent readability even under poor lighting conditions.

The Vitodens Series is a very affordable top of the line high efficiency boiler. The reputation of Viessmann boilers is known and respected all around the world. It is no coincidence that most people think of Viessmann when asked about the best boiler in the world.


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