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Old 04-25-2024, 10:00 AM   #4
jsb5717
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Join Date: Mar 2019
Location: Milwaukie, OR
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M.O.C. #23668
Yes, propane only. The 12v also operates the thermostat. So while the furnace heats only with propane, it requires 12v to run. If you lose power to your 12v system, there’s no heat, no AC, no fridge (which also requires 12v to operate the controls), etc.
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