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Old 11-28-2016, 05:31 PM   #1
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Brand: Thor Motor Coach
State: Alaska
Posts: 2
THOR #4328
AquaHot heater

I have a 2015 Thor Tuscany 40KQ with the AquaHot 400 Heat system, I get plenty of hot water for the sinks & shower, but only one of the 5 heat registers fan is working, I have looked inside and out but can't find any fuses for the fans. can anyone tell me where they are, and are there 5 or just one fuse for the fans

Thanks
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Old 11-28-2016, 06:58 PM   #2
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Brand: Still Looking
Model: SOB
State: South Dakota
Posts: 755
THOR #3916
Hmmmm..
Check to see if you have more than one thermostat, AH normally have "zones" Our coach has a thermostat up front, one in the bath area and a basement thermostat near the water manifold.
Also there should be fuses/breakers labeled for the AH and blowers..
Contact Thor with your coach serial number, model # and date of build , they should be able to provide you with the proper wiring diagram.
The annual service for the AH should be around $300

Happy Trails
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Old 11-29-2016, 08:22 PM   #3
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Brand: Thor Motor Coach
Model: Thor Tuscany 40DX
State: Colorado
Posts: 94
THOR #5043
My 2015 Tuscany had 1 or both of the fans in each register mis-wired. Either the black or red wire was not crimped in the crimp connector. Pretty easy to tug on the wires to see if they are loose? Yes you can spread the crimp connect with pliers and reuse. Think new one are about $0.20 each. Wouldn't be surprised if they were not even installed into the crimp thing. Some of mine were that way!
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Old 11-29-2016, 08:26 PM   #4
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Brand: Thor Motor Coach
Model: Thor Tuscany 40DX
State: Colorado
Posts: 94
THOR #5043
Forgot to mention that in addition to bad wiring it took a trained Aquahot repairman 6 tries to get our unit anywhere close to working last January in Quartzsite. Seems close to acceptable now. Not a big Aquahot fan.
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Old 12-10-2016, 01:04 PM   #5
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Brand: Thor Motor Coach
State: Alaska
Posts: 2
THOR #4328
Update on my lack of heat

I Made it out of Wakarusa, IN with the heaters working just before the lake affect snow came. All the fans but the one that was working were mis wired at the factory!!!
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