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Old 04-10-2014, 09:56 PM   #1
gmann55's Avatar
Join Date: Jan 2014
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Smile Replacing a duo therm thermostat

I have a 2008 Georgetown 370 and I want to replace the slide thermostat with a Honeywell rth6450/rth6350 programmable stat. I have included a picture of the wiring as it is right now.in hopes someone can tell me where each wire goes on the Honeywell stat. Thanks gmann55

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Old 04-11-2014, 04:22 AM   #2
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Do a search, "Thermostat" several posts. I replaced mine but my instructions are over at the rig in storage. What I remember is if you want to keep the two speeds on the fan you need to ad a small toggle switch,, I did not, so I only have the High speed for A C fan.. Sure works better now.

2004 National Sea Breeze LX8375, Towing a 2012 Liberty.
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Old 04-11-2014, 06:56 AM   #3
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I have included a picture of the wiring
No picture seen in your post.

Easy DIY step by step installing PDF
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Old 04-11-2014, 09:33 AM   #4
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Location: Crested Butte, Colorado
Posts: 183
I called Dometic to see what I needed. I have 2 Penguin AC's on the roof with a Duo Therm 5 button thermostat that is hard to read. They have a 12 button thermostat that look to have a larger display. Dometic said I needed a new board in each AC and a telephone like adapter wire too.
2008 HR Neptune XL
2012 Jeep Wrangler Rubicon
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