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An integrated frost protection feature automatically switches the pump on as soon as the sensor temperature drops below 5 °C
Bulbtemperatur 125 °C
immersion tube: EN 12165 CW617N/Cu
Thermal drain safety device ¾"
Caleffi Feuerzugregler für Festbrennstoffkessel Glühzünder An integrated frost protection featureFire 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
