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Old 10-10-2013, 06:06 PM   #11
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A mod on my list :-)
I usually get by with an electric heater, but do supplement with the furnace occasionally.
I don't care for the thermostat in my 165 Sport.

Looks good. Enjoy,



Southwest, Ohio
2016 Toyota Tundra SR5, 5.7 V8
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Old 10-10-2013, 06:52 PM   #12
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Originally Posted by msturtz View Post
I spoke with Coleman and you cannot use a residential thermostat. It will eventually destroy the electronics in the heater or AC. I have a heat pump plus propane for low temperatures. I wanted to install an automatic residential heat pump thermostat. They said to not do it. They said that 24VAC thermostats will not work.
The technical representative said that residential battery powered units will appear to work for a period of time however will burn out the control module eventually. The reason for this is even the battery powered units are designed to control a 24VAC circuit not a 12VDC circuit. It may work for even a several months depending on usage but eventually you will have a problem. They get a lot of warranty claims for AC units that have failed for this reason. I don't know about the heater in your specific unit but that is what Coleman told me for the ones in my Greyhawk. I wanted to check with the manufacturer prior to modifying my rig because I don't want warranty problems.

Old setup:
2004 Chevrolet Silverado 3500 LT with a 2004 Jayco JayFlight 29BHS
2014 Greyhawk 31FS with a 2007 Tahoe toad
New setup:
2014 Thor Palazzo 33.3 with a 2007 Tahoe toad
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Old 10-10-2013, 06:53 PM   #13
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wiring replacement thermostat

I'm doing this for sure, thanks Mitechie
2015 Jayco Greyhawk 31FS-"Scamper"
2015 Subaru Forester 2.5i Prem. 6 Spd
Blue Ox Aventa LX Tow Bar
2014 Jayco Jay Feather X23B-"Glampy"(Sold)
DW, DS, DDx2, and Bandit & Fletcher
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Old 10-10-2013, 07:18 PM   #14
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Msturtz I checked and this unit specifies the voltages required and it's low. I could tell the difference once I looked at the Honeywell as its low voltage spec was 20.
2016 Eagle 284BHBE
2015 Ram 2500 Laramie Longhorn 6.7L Cummings

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Old 10-11-2013, 05:45 AM   #15
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In my 19H I took out the original heat thermostat, and installed a coleman thermostat that runs both the heat and the AC. It took rewiring the AC unit and disconnecting the AC thermostat in the AC unit itself, and using a couple of relays, but it works GREAT! Now the fans turn off when the AC turns off, which I wanted, I have better control of the actual temperature in the camper. Plus the heat is also on the same thermostat, so that's an added benefit. I used it all spring and summer without a problem.

Model X19H Expandable
GMC Sierra Pick up

Been a camper since I was a kid, and that was a long time ago :)
From pup tents with no floors, to tents with floors and flies, to a pop up, to the expandable.
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