Viessmann heating solutions simplify a complex world.
Viessmann is one of the world’s leading manufacturers of efficient, reliable and affordable heating and solar products. Our innovative solutions are simple to install, service and use. Viessmann offers a comprehensive range of German-engineered products, from oil and gas-fired boilers to hot water heating for applications in residential, multi-family, commercial, light industrial, schools, universities, hospitals, municipalities and government buildings.
Vitodens 100-W – The perfect mix of performance, quality and value
The benefits at a glance
- Vitodens 100-W, B1HA space heating boiler and Vitodens 100-W, B1KA combi boiler fits any home and budget with high performance at an attractive price.
- Outstanding efficiency of 95% A.F.U.E. on all models.
- Low-emission combustion with fully-modulating Viessmann stainless steel MatriX cylinder burner for natural gas or propane.
- User-friendly backlit LCD touchscreen boiler control.
- Lasting performance with proven Viessmann stainless steel Inox-Radial heat exchanger constructed to CSA B51 and ASME Section IV.
- Suitable for altitude levels of up to 10,000 ft. / 3,000 m.
- Easy installation and service with pipe connections located at the bottom and serviceable components accessible from the front.
- Extremely quiet operation; quieter than most refrigerators.
- Built-in on-demand domestic hot water (DHW) with Vitodens 100-W, B1KA Combi boiler. Ideal for apartment units or houses with small mechanical rooms and a single DHW draw point.
Every home. Every budget.
With its outstanding design and price/performance ratio, the Vitodens 100-W is the perfect mix of performance and value. Its compact design, zero clearance to combustibles and extremely quiet operation make the Vitodens 100-W an ideal choice even in the smallest spaces. Plus, with a limited residential lifetime warranty, you can be sure your investment will deliver long-lasting, value year after year.
Vitocrossal 300 CU3A
Gas-fired floor-standing boiler with stainless steel Inox-Crossal heat exchanger and MatriX dome gas burner. Rated input: 19 to 199 MBH (single) / 1592 MBH (cascade).
High mass condensing technology
The benefits at a glance
- Compact, floor-standing gas condensing boiler from 19-199 MBH.
- High efficiency of 95% AFUE on all models.
- High temperature operation of up to 90°C (194°F).
- Vitocrossal Pocket Design with wide water passage ways allow for system/full flow applications. No dedicated boiler pump required and eliminates primary/secondary piping.
- MatriX dome gas burner with 5:1 turndown ratio to ensure high efficiency and extremely clean combustion.
- High water volume extends burner run time and reduces cycling.
- A self-calibrating Lambda Pro combustion management system ensures optimal combustion efficiency at all times regardless of gas/air quality. Simple commissioning with no field adjustments and adjusts to all fuel types (NG and LPG).
- Durable, reliable, and long service life with Inox-Crossal stainless steel heat exchanger and high mass design.
- Multiple venting options and configurations with vent lengths up to 198 ft.
- Multi-boiler installation with 8 boilers up to 1592 MBH.
- ENERGY STAR Most Efficient 2016.
The right choice for new construction or retrofits
With its combination of high temperature capability, high mass (water volume), floor standing design, condensing stainless steel construction and modulating gas burner, the Vitocrossal 300, CU3A is the ideal choice for boiler retrofits or new construction. From homes equipped with high mass cast iron radiators, to homes with multi-zone high temperature fin tube radiators, and new installations with high DHW requirements – the Vitocrossal 300, CU3A is the best choice on the market today.