draft regulator for solid fuel boilers spur 5 kW 305 mm

5 kW 305 mm

Thoughtful planning and the use of high-quality components ensure that your heating system not only functions smoothly

Installation must be carried out exclusively by a qualified specialist company

The Defro S3P boiler control unit impresses with its simple installation and user-friendly operation

The original display is compatible with a wide range of ThermoFlux heating appliances

draft regulator for solid fuel boilers spur 5 kW 305 mmFire draft regulator for solid fuel boilers The Caleffi draft regulator controls the air supply for combustion. The temperature in the heat generator is measured by an integrated thermostat. The thermostat is connected to the air intake damper via a lever and chain. Depending on the boiler flow temperature, the air supply is regulated by opening or closing the air intake damper. This system is used for temperature dependent adjustment of the air