i have a older gas furnace with steam heat raditors my problem is when i turn thermostat up furnace fires up ;turnthermostat down keeps running i disconnected thermostat furnace still runs have to turn power switch off can you help
i have a older gas furnace with steam heat raditors my problem is when i turn thermostat up furnace fires up ;turnthermostat down keeps running i disconnected thermostat furnace still runs have to turn power switch off can you help
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