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Old 11-05-2014, 08:00 AM   #15
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1962 24' Tradewind
Buffalo , Wyoming
Join Date: May 2012
Posts: 474
I have the original thermostat in my '62. There is no "off" position on the thermostat. The lowest point on the thermostat is about 50 degrees. I found that if the battery is hooked up, and the temp is below 50, the fan on the furnace will come on regardless of if the propane is on in the furnace or the pilot light is lit. So I got an in-line toggle switch that simply attaches to the wire, and put it on the thermostat wire. It keeps the fan from kicking on.

I've been debating on moving the switch to the 12-volt power line to the furnace. Last week the furnace kicked on, and I didn't want it to because I was trying to conserve battery power. I turned the switch off, but the fan kept running for a couple of minutes. Does anyone know, is there a potential to damage the furnace if I remove power to it while it is hot?

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Old 11-05-2014, 06:02 PM   #16
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1974 Argosy 26
Morrill , Nebraska
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Shutting down heater/furnace

The idea behind the furnace running for a couple of minutes is to cool it down. You really don't want to shut down a hot furnace immediately.
I have the original thermostat in the Argosy. Never had the furnace blower come on. Even at -30 degrees F when the lever is all the way to the left.
There is nothing more simple than the old style thermostat with the mercury bulb. No electronics to fail. Nothing to program. No error codes to deal with. I like the old saying. "KEEP IT SIMPLE STUPID!"

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Old 11-06-2014, 07:19 AM   #17
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1962 24' Tradewind
Buffalo , Wyoming
Join Date: May 2012
Posts: 474
Thanks TG. I thought that might be the case. I'm also a big proponent of the "Keep it Simple Stupid" standards. I'll keep the switch on the thermostat wire. Can't get much simpler than that.

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