Advanced Heating Technology is System Technology

Natural gas-fired wall-mounted condensing boiler with modulating stainless steel cylinder burner and Inox-Radial heat exchanger surface.

Equipped with a Viessmann stainless steel heat exchanger for lasting performance and reliability, the new Vitodens 100-W wall-mounted condensing boiler is the perfect combination of value, quality and Viessmann technology.

The benefits at a glance:

  • Outstanding Efficiency of up to 98% with full modulation and 95.1% A.F.U.E. on all models.

  • Lasting Performance with Viessmann-made SA240 316 Ti stainless steel Inox-Radial heat exchanger constructed to ASME Section IV and CSA B51.
Inox-Radial heat exchanger Inox-Radial heat exchanger surface
  • Low-Emission Combustion with fully-modulating natural gas stainless steel cylinder burner. Factory calibration eliminates adjustments in the field.
Natural gas stainless steel cylinder burner Natural gas stainless steel cylinder burner
  • Control Variety Integrated boiler control interfaces with any level of third-party control – from room thermostat to outdoor reset and more.

  • 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).

  • Easy Installation, Service and Maintenance with all pipe connections located at the bottom and serviceable components easily accessible from the front.

  • Compact, Lightweight Design and 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 allows boiler to be shut off for an extended period of time while protecting it against freeze-up.

  • Suitable for altitude levels of up to 5000 ft. / 1500 m.

  • Limited Lifetime Warranty in residential applications.

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