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strongshirleyAug 15, 2025
Why won't the pilot light stay lit on my HearthStone Gas Heater?
- EEric AlvarezAug 16, 2025
If the pilot light on your HearthStone Gas Heater won't stay lit even after following the lighting instructions, the issue could stem from several causes. First, check that the gas pressure isn't too high or low for the type of gas you're using. Next, inspect the connections and measure the voltage between the valve body and the solder connection on the rear of the valve (where the blue wire connects); it should be at least 7 mV. Also, ensure that the thermocouple connection at the gas valve is tight. Finally, the pilot itself might be dirty or plugged, requiring you to clean or replace the pilot assembly.