Introducing the newest version of our most popular boiler ever

Viessmann is pleased to announce the market introduction of the Vitodens 100-W, B1KA gas-fired condensing Combi boiler.

Press release

Viessmann Manufacturing Company Inc. is pleased to announce the market introduction of the Vitodens 100-W, B1KA gas-fired condensing Combi boiler. With built-in, on-demand domestic hot water capability, the Vitodens 100-W wall mount boiler is ideal for any home and any budget.


Lasting Performance

The new Viessmann-made SA240 S43932 stainless steel Inox-Radial self-cleaning heat exchanger and new stainless steel, factory-calibrated fully-modulating MatriX cylinder gas burner ensure the performance and operational reliability that have made the Vitodens 100 our most popular boiler series ever.


On-demand DHW

The boiler's built-in DHW unit includes a stainless steel plate heat exchanger, 3-speed pump, diverting, pressure bypass and pressure relief valves, water hammer arrester and sensors, and conforms to NSF/ANSI 372 for "lead free" plumbing products.


User-friendly control

The new backlit LCD touchscreen control with enhanced programming interfaces with a variety of external control devices to provide comfortable and reliable energy-saving space and DHW heating.


Outstanding versatility

NG or LP fuel compatible "out-of-the-box" with bottom pipe connections and front access to all serviceable components plus multiple venting options for easy installation, service and maintenance, all in a compact wall-mount design that is ideal for even the tightest of spaces.


About Viessmann

Founded in 1917 as a heating technology manufacturer, today Viessmann is one of the world's leading providers of efficient climate (heating, water and air quality) and renewable energy solutions for the residential and commercial sector. Our integrated solution offering seamlessly connects products and systems via digital platforms and services to a holistic climate and energy solution, thus creating a safe and reliable feel-good climate for our users. All activities are driven by our company purpose, "We create living spaces for generations to come". This is the responsibility that we take on every day together with our (trade) partners.

The Vitodens 100-W, B1KA is now available through existing Viessmann sales channels.

Waterloo, April 2017

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