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Old 05-23-2022, 12:29 PM   #1
Junior Member
Join Date: Sep 2019
Posts: 10
Question Aqua Hot furnace not working with new thermostats

Hi all,
I have an '05 Holiday Rambler Navigator. When I bought it, in Houston, the A/C units all needed to be replaced. The company that did the work said I needed to upgrade to the new 10 button (?) dometic thermostats, so I did.

Everything works well, the zones, the A/C's and the Heat Pumps, but when i looked on the menu to select "furnace" it's not there. I don't remember ever running the furnace with the old thermostats, but it isn't there now. Obviously there is something hooked up incorrectly, but I don't know where to turn at this point.

Has anyone else had this happen?

Thank you for any input!
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Old 05-23-2022, 12:42 PM   #2
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96 Wideglide's Avatar
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Join Date: Aug 2010
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Sounds like they didn't set the dip switches in the new AC's properly.
Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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Old 05-23-2022, 01:02 PM   #3
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What Wideglide said. DIP switch 8 must be ON.
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ace, aqua hot, furnace, thermostat

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