When a baseboard heater is obstructed by an object (curtain, furniture, etc.), the thermal protection that switches off the heating system is activated. The thermostat turns back on when the baseboard temperature returns to an adequate heat to prevent overheating. This protection cuts off, at the same time, the power supply of the single-pole thermostat. Make sure there are no objects obstructing the baseboard to prevent your thermostat from turning off and on intermittently.
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