Boilers
Located in the Greater Toronto Area, Mueller Mechanical is your trusted supplier of Viessmann boilers, with a record of quality installation and service since 2011. With Mueller Mechanical, it is now easier than ever to keep your home or business as comfortable as possible.

Reliable and Economical
Vitodens 200
Vitocrossal 300
Vitodens 200
- Intelligent combustion control
- Viessmann-made titanium-infused stainless steel Inox-Radial heat exchanger constructed to CSA B51 and ASME Section IV
- Viessmann-made stainless steel MatriX cylinder burner
- Exceeds Energy Star® Efficiency Requirements
Vitocrossal 300
- State-of-the-Art Condensing Technology
- Viessmann-made Corrosion resistant stainless steel
- Highly effective heat exchanger surfaces for low flue gas temperatures and high condensation rates
Benefits at a Glance
Vitodens 200
Vitocrossal 300
Vitodens 200
- Best value in its class with new industry-leading technology and the most standard features
- B2HA-88: smallest commercial boiler available in the Viessmann portfolio
- Low-emission combustion for environmentally-friendly operation
- Intelligent Lambda Pro gas management system automatically adjusts to different gas qualities for optimum efficiency and performance
- New Vitotronic 200 control features large display with text and graphics for user-friendly operation
- Extended application range with increased capacity up to 530 MBH (single boiler) / 4240 MBH (cascade of 8 boilers)
- Modulation ratio up to 6.5:1 ensures extremely high efficiency
- Different venting options and greater venting flexibility with vent length up to 180 ft.
- Common venting up to four boilers
Vitocrossal 300
- High operational reliability and long service live with the vertical Inox-Crossal heat exchanger surfaces
- Highly efficient heat transfer and high condensation rate
- Efficiency up to 98.3% through intensive flue gas condensation
- Low emissions and quiet operation from fully-modulating Viessmann pre-mix cylinder burners (up to 3)
- Easy handling in boiler rooms through particularly low build height and weight
- Easy installation and elimination of wiring mistakes with Viessmann prewired plug-in system
- Economical and reliable heating system operation
- Standard LON BUS for complete integration into building management systems
- Meets the stringent standards required to carry the Environmental Choice logo