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Where is the fan limit switch on a model 66012-041 duo therm furnace

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  • Dometic Master
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Here's a good link for you, where you can download a PDF manual for that furnace. The limit switch is normally near back of unit attached to or close to heat chamber. Follow wires that run toward the rear. One will go to one side of limit switch, other will be coming back.

http://bryantrv.com/docs2/docs/operating/dt6600.pdf

Posted on Jan 27, 2013

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: duo therm air conditioner

my duo therm air works beautifuly all day but at night when we go to bed it seams to turn on and shut off rapidly. what could be wrong?

Posted on Jul 19, 2008

motor1258
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SOURCE: Location of Drain holes on Duo-Therm Model 630035.321

Good place to start is up on the roof. Look way under the unit (hard to see some times) along the bottom, between where the gasket sits on the roof and metal bottom of unit. Should see small round or similar sticking down from unit. There will be a hole in the side of them. Poke around with a wire or something to open them up. If you don't see water/condensation running across your roof from unit when it's operating, (usually in 2 directions, 1 each side of unit) then yup, there plugged.

Posted on Aug 14, 2008

motor1258
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SOURCE: duo therm air conditionning/furnace thermostat in RV

Checked all breakers & fuses in panel ?

Posted on Aug 14, 2008

ad1media
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SOURCE: duo therm AC/ furnace in Puma not kicking on

there is a "control unit" inside the bottom cover of the A/C on your cealing ... inside there is the control box that controls itself. Has a silver peice bout 2'' thick and the size of a quarter this is your freeze control, if your A/C gets TOO cold and might damage itself it kicks on and shuts down your unit(yes even your furnace) need to have a tech come out and fix/replace it, RV Tech, most A/C repair companies know NOTHING about RV's

Posted on Jan 03, 2009

  • 68 Answers

SOURCE: mal functioning thermostat on duo therm model 620215

Ok;
Upgrade kit Part# 3307713.010
Price is 274.75 Plus shipping
Can be purchased from any Dometic dealer or I have an ad on this site. Coach Tech RV
Thanks for using Fixya
Jerry


Posted on Mar 30, 2009

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