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Old 10-17-2013, 05:15 AM   #11
Join Date: Dec 2012
Posts: 67
Plenty of air at vents, just not hot air....

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Old 10-17-2013, 05:30 AM   #12
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Join Date: Jul 2013
Location: Lancaster, Ky
Posts: 89
furnace problems

on our Flagstaff (2014 831) we had several symptoms on its first use.
would run 30 seconds and trip-never really heat, would run 2-3 minutes and trip on high temperature, very little air flow. would run 10 minutes and trip.
all parts were replaced one at a time and none solved it--high temp switch (in front), sail switch, control board, thermostat.
the motor still gets hot and possibly trips its thermals, can be reset by thermostat but never lets the unit deliver heat the right way.
Oh and the wiring wasn't right.
so its at the dealer now and they said the whole unit is being replaced because of its unreliable condition. and that was after getting the wiring right.
the dealer is trying to do the right thing.
hope this helps---its not that hard if you had all the parts to swap. I learned a lot watching the repair guy in Laramie recently. he said the most common failure is the high temp limit switch, and the next is the air flow sail switch.

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Old 10-17-2013, 09:11 AM   #13
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Join Date: Aug 2011
Posts: 101
Those I've seen are just inside the front panel which needed to be removed via 4 hex screws.
They were flush-mounted switches, round, with attachment flaps also screwed to the heater face.
Two wires on the inside press on, and you'll find the number on the inside as well, although the number may be on the front in your case. As I said, it's an easy change and doesn't cost much.
Here's a link showing many switches.
propane heater limit switch - Bing Images
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Old 10-17-2013, 09:12 AM   #14
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Posts: 101
propane heater limit switch - Bing Images

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