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Old 10-01-2009, 12:47 PM   #1
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Thermostat to controll fan / oil @ diff Temps?


Hi all. I have an oil / wood combo furnace. There are currently 2 thermostats for the device. 1 is a 2 wire and simply controls the oil burner on / off. The other controls the blower on / off - also only 2 wires. The 2 need to be set to different temps so that the oil burner will kick in when the wood fire dies down, and not before. I'd like to consolidate to 1 thermostat unit. Is there a single thermostat that I can set the blower on / off as a different temp from the oil burner on / off?

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Old 10-01-2009, 09:20 PM   #2
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Thermostat to controll fan / oil @ diff Temps?


Just a bump - I'm trying to close this wall up in the next few days.
Thanks for any input.

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Old 10-02-2009, 05:05 AM   #3
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Thermostat to controll fan / oil @ diff Temps?


No such animal.
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Old 10-02-2009, 08:30 AM   #4
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Thermostat to controll fan / oil @ diff Temps?


Damn - it looks so goofy to have 2 therm on the wall.
I'll just put them in different locations I guess.

Thanks
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Old 10-03-2009, 05:57 AM   #5
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Thermostat to controll fan / oil @ diff Temps?


got a drilll.... just kiddin!you can install one of these above the heat exchanger or between the chambers then wire the fan into it set it from 80F to 210F ON for the fan to run.the PIGTAIL expands as the heat runs over it closing the contact point for the fan and as the heat rises.then when the heat dies out the TAIL contracts and the fan point opens up and the fan cycles off. http://bestbuyheatingandaircondition...&Category_Code= your local www.grainger.com has the control ITEM #2E818,19, welcome homeowners at the counter.so with this controller in place you can wire nut the 2 fan wires and cover the opening with a face plate or a simple fan limit disc http://bestbuyheatingandaircondition...ry_Code=fl-tdf

Last edited by biggles; 10-03-2009 at 09:57 AM.
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