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J
John ChangAug 10, 2025
Why is my THERMOSTAHL ENP 20 Boiler not reaching the set temperature?
- WwaltersjenniferAug 10, 2025
There are several potential causes for a THERMOSTAHL Boiler not reaching the set temperature: * A blocked fan. You should check or replace the fan, and also check the function of the fan regulator and thermostat. * Blocked air passages. If this is the case, clean the air passages. * A dirty boiler. Clean the boiler. * Incorrect boiler start-up. Start the boiler correctly. * Insufficient water in the system. Fill the system. * Pump debit too high. Regulate the pump speed. * Bad quality fuel. Change the fuel used. * Insufficient chimney draught. Check or clean the chimney.
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