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Old 03-19-2012, 04:45 PM   #6
rumbleweed
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If you don't turn the furnace off ( not just down) and you leave the gas on, the furnace could start with the unit closed and cause problems. On the stock furnace thermostat, there is a click position at the low end that turns the furnace off. To be safe always turn the propane off when you have the TM closed.
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