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Viessmann has been providing comfortable, efficient and environmentally responsible heating solutions to the world since 1917. With ongoing research and development with a focus on product innovation, Viessmann’s high-tech, state-of-the-art boilers and heating products have made the company a technological innovator and pace-setter for the entire industry.

ductless.ca Inc. is pleased to offer Viessmann’s full range of residential and commercial products and systems.

Residential Condensing Boilers Offered

Vitodens 100-W

Vitodens 200-W

Vitodens 222-F

Vitocrossal 300

Viessmann Vitodens 100-W, B1HA & B1KA Boilers

The Viessmann Vitodens 100-W, B1HA (space heating) and B1KA (combi-boilers) are gas-fired wall-mounted condensing boilers equipped with a Viessmann stainless steel radial heat exchanger for lasting performance and reliability. This new generation of the popular Vitodens 100 boilers now offers even greater versatility and choice and is the perfect combination of value and quality. Rated inputs from 21,000 to 125,000 Btu/h (6.2 to 36.6 kW).

Features at a glance:

  • Viessmann Inox-Radial Heat Exchanger,
  • Outstanding efficiency of 95% AFUE on all models,
  • On demand domestic hot water with the B1KA version,
  • Lasting performance with Viessmann-made stainless steel and titanium alloy Inox-Radial heat exchanges,
  • Low-emission combustion with Viessmann’s own fully modulating stainless steel MatriX cylinder burner for natural gas or propane. Factory calibration eliminates the need for adjustments in the field.
  • Integrated backlit LCD touchscreen interfaces with any level of third-party control, from a room thermostat to outdoor reset and more.
  • Greater venting flexibility with increased vent length up to 200 ft (61 m) and multiple venting options,
  • Horizontal or vertical sealed combustion coaxial vent system (factory supplied),
  • Horizontal, vertical or hybrid sealed combustion double-pipe vent system (field supplied),
  • Horizontal or vertical single-wall vent system (field supplied),
  • Flexible pipe venting system,
  • Easy installation, service and maintenance with all pipe connections located at the bottom and serviceable components easily accessible from the front,
  • A compact, lightweight design with approved zero clearance to combustibles make it a great choice for limited space installations,
  • Extremely quiet operation. Quieter than most refrigerators,
  • Built-in automatic frost protection shuts off the boiler for an extended period of time while protecting it against freeze-up,
  • Warranty:
    Heat Exchanger: Lifetime Limited
    Parts: 2 Years
    Labour: 2 Years

External Viessman Link: Viessmann Vitodens 100-W

Viessmann Inox-Radial Heat Exchanger
Viessmann Inox-Radial Heat Exchanger
Viessmann MatriX Combustor
Energy Star Most Efficient 2020
Model B1HA – 94 B1HA – 125 B1KA – 125
AFUE 95%
Rated CSA Input (Min to Max) 21 to 94 MBH 21 to 125 MBH 21 to 125 MBH (DHW: 21 to 149 MBH)
Max DHW Supply Temperature N/A 60°C (140°F)
Max Flow Rate 1,400 l/h (6.2 GPM) 1,400 l/h (6.2 GPM) DHW: 840 l/h (3.7 GPM)
ENERGY STAR® Qualified Unit Yes
Fuel Natural Gas, LPG

Viessmann Vitodens 200-W, B2HA & B2HB Boilers​

The new Viessmann Vitodens 200-W, B2HA wall-mounted condensing boilers are equipped with the industry’s first intelligent combustion management system and intuitive control technology. Rated input: 12,000 to 530,000 Btu/h (3.5 to 155.0 kW).

Features at a glance:

  • High efficiency condensing operation: AFUE up to 95%,
  • Best value in its class with new industry-leading technology, zero clearance to combustibles and the most standard features,
  • The new Vitodens 200-W adapts its combustion to changing gas qualities and operating conditions automatically, with the intelligent Lambda Pro combustion management system,
  • Reliable domestic hot water (DHW) production,
  • Maximum reliability with a stainless steel and titanium alloy Inox-Radial heat exchanger with defined gaps between coils produces efficient heat transfer and a long service life,
  • Equipped with the new, award winning, Viessmann-made Vitotronic 200 control unit. Equipped with a graphical user interface, the Vitotronic 200 manages the entire heating system and ensures economical performance and maximum comfort at all times,
  • Equipped with an outdoor temperature sensor, the boiler automatically adapts the operating temperature to the changing outdoor temperature. This reduces fuel consumption up to 15%,
  • Modulating MatriX compact gas burner offers extremely low emission levels of NOx and CO which meet or exceed all international clean air regulations and guidelines.
  • Warranty:
    Heat Exchanger: Lifetime Limited
    Parts: 2 Years
    Labour: 2 Years

External Viessman Link: Viessmann Vitodens 200-W

Viessmann Vitotronic 200 Controls
Viessmann Vitodens 200-W
Viessmann Vitodens 200-W Exploded View
Energy Star Most Efficient 2020
Model (B2HB) 68 94 125 160 199
AFUE 95% 92%
Rated CSA Input (Min to Max) 21 to 68 MBH 19 to 94 MBH 19 to 125 MBH 32 to 160 MBH 32 to 199 MBH
Max Flow Rate 1,400 l/h (6.2 GPM) 3,250 l/h (14.3 GPM)
ENERGY STAR® Qualified Unit Yes
Fuel Natural Gas, LPG
Model (B2HA) 285 311 352 399 530
Thermal Efficiency 92% 94.5% 93.9% 93.5%
Rated CSA Input (Min to Max) 71 to 285 MBH 71 to 311 MBH 71 to 352 MBH 113 to 399 MBH 113 to 530 MBH
Max Flow Rate 5,700 l/h (25 GPM) 8,600 l/h (38 GPM)
ENERGY STAR® Qualified Unit Yes
Fuel Natural Gas, LPG

Viessmann Vitodens 222-F, B2TB Boilers

The new Viessmann Vitodens 222-F, B2TB comes in a space saving floor-standing design and with an advanced stainless steel storage tank built-in for DHW service. Equipped with an Inox-Radial heat exchanger, MatriX cylindrical burner and a advanced Vitoronic 200 graphical user interface the Vitodens 222-F is one of the most advanced high-efficiency combi-boilers on the Canadian market! Rated input: 19,000 to 125,000 Btu/h (19.6 to 36.6 kW).

Features at a glance:

  • High efficiency condensing operation: AFUE of 95%,
  • Floor standing space saving design, ideal for light to medium hot water and domestic hot water loads for single family homes,
  • Built-in 98 L stainless steel domestic hot water tank which combines the benefits of both tankless technology and traditional hot-water tank performance,
  • Comes with the award winning Vitotronic 200 graphical user interface,
  • Outdoor temperature sensors automatically adjust the boiler for optimum energy savings based on hot water demand,
  • Maximum reliability with a stainless steel and titanium alloy Inox-Radial heat exchanger with defined gaps between coils produces efficient heat transfer and a long service life,
  • Fully modulating for extreme energy efficiency,
  • Compact, lightweight design with approved zero clearance to combustibles installation. Limited space is not an issue,
  • Reduced maintenance with the Lambda Pro intelligent combustion management system. The Lambda Pro automatically adjusts to the gas type and quality, thus no fuel conversion kits are necessary. Works with natural gas, propane and even biogas,
  • Balanced flue design with self-regulating gas burner and self-calibrating combustion for easy start-up and ongoing reliable operation,
  • Modulating MatriX gas burner offers extremely low emission levels of NOx and CO which meet or exceed all international clean air regulations and guidelines.
  • Warranty:
    Heat Exchanger: Lifetime Limited
    Parts: 2 Years
    Labour: 2 Years
External Viessman Link: Viessmann Vitodens 222-F
Viessmann Inox Radial Heat Exchanger
Viessmann Vitodens 222-F Exploded View
Viessmann Vitodens 222-F Exploded View
Energy Star Most Efficient 2020
Model B2TB – 125
AFUE 95%
Rated CSA Input (Min to Max) 19 to 125 MBH
Max DHW Flow Rate 750l/h (3.3 GPM)
ENERGY STAR® Qualified Unit Yes
Fuel Natural Gas, LPG

Viessmann Vitocrossal 300, CU3A Boilers

The Vitodens Vitocrossal 300, CU3A floor standing condensing boiler offers high temperature capability, high water volume, stainless steel burner construction and full modulation. The Vitocrossal 300 is perfect for homes with high mass cast iron radiators or homes with multi-zone high temperature fin tube radiators, or new installations with high DHW requirements. Rated input: 19,000 to 199,000 Btu/h (5.6 to 58.3 kW).

Features at a glance:

  • Compact, floor-standing,
  • High efficiency of 95% AFUE on all models,
  • High temperature operation, up to 90°C (194°F).
  • Vitocrossal Pocket Design with wide water passages. 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 internal water volume extends burner run time and reduces short 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 a high mass Inox-Crossal stainless steel heat exchanger,
  • Multiple venting options and configurations with vent lengths up to 198 ft,
  • Multi-boiler installation with 8 boilers up to 1592 MBH
  • Warranty:
    Heat Exchanger: Lifetime Limited
    Parts: 2 Years
    Labour: 2 Years
External Viessman Link: Viessmann Vitocrossal 300
Viessmann MatriX Dome Burner
Viessmann MatriX Dome Burner
Viessmann Inox Heat Exchanger
Energy Star Most Efficient 2020
Model (CU3A) 26, 94 35, 125 45, 160 57, 199
AFUE 95%
Rated CSA Input (Min to Max) 19 to 94 MBH 25 to 125 MBH 43 to 160 MBH 43 to 199 MBH
Boiler Water Content 51 L (13.5 USG) 49 L (13.0 USG) 71 L (18.8 USG)
ENERGY STAR® Qualified Unit Yes
Fuel Natural Gas, LPG