Viessmann Vitolig 100 15 KW

Viessmann – premium German heating technology. The Vitolig series offered various solutions for wood and pellet-fired central heating.

Vitolig 100 – compact, manually loaded log wood boiler. The VL1H factory documentation describes a natural draft design with mechanical combustion control. A straightforward solution for those who want to heat with their own firewood.

• Approximately 15 kW class: the 2004 German VL1H installation manual specifies 12.7–14.9 kW; the exact year of manufacture is to be verified with the data plate.
• Front loading door: fuel loading and cleaning can be performed from the front.
• Mechanical draft regulator: the air supply adjusts to the boiler water temperature.
• Adjustable secondary air: according to the operation manual, the combustion air can be adjusted manually.
• Built-in minimum temperature controller: the factory description specifies pump activation above 60 °C, helping to avoid excessively cold boiler operation.

Documentation: 5581 462 and 5851 579, 02/2004 factory operation/installation manuals found; 5816 229-5F, 03/2006 factory data sheet attached to the product. The later French data sheet specifies 12.7–14.8 kW and 33 cm wood, while the German operation manual specifies 35 cm; the appropriate wood length for the specific version must be selected according to the data plate and the specific manual. We do not claim fan-assisted, lambda-controlled wood gasification equipment. Operation manual.

New price – check: 2026.10.06. Searches on wolf-online-shop.de, heizung-billiger.de, and heizungsdiscount24.de did not yield a verifiable new boiler offer of the same design. For the current new price, a custom quote is required, with currency, net/gross status, and itemized equipment.

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