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Old 05-22-2021, 09:03 PM   #1
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Brand: Thor Motor Coach
Model: ACE 29.3
State: Oregon
Posts: 1
THOR #21998
Thor ACE 2018 29.3 water heater pilot light not working

Hi Everyone,

I am new to living full time in my RV...no hot water and I donít know how to fix it. Any suggestions on how to fix this?

Thanks in advance,

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Old 05-22-2021, 11:11 PM   #2
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Brand: Thor Motor Coach
Model: Four Winds 28A
State: California
Posts: 350
THOR #21941
Check the thermocouple. It's between the connecting wire and the thermostat on the water heater. Accessed from the outside panel. Run your meter across it. If it's open, it's bad. Mine went out on the first use of our WH. Didn't figure it out until I was back and could do research. I ordered a replacement and a couple of spares.
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2021 THOR Four Winds 28A
Fallbrook, CA

Watchdog hardwired EMS, Alignment, Roadmaster front sway bar, vent covers, Dew Gutter
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Old 05-22-2021, 11:58 PM   #3
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Brand: Thor Motor Coach
Model: 2013 ACE 30.1
State: Alberta
Posts: 1,305
THOR #2631
Quote:
Originally Posted by Kurious333 View Post
Hi Everyone,

I am new to living full time in my RV...no hot water and I donít know how to fix it. Any suggestions on how to fix this?

Thanks in advance,



Welcome to the forum. I donít know your coach, but did you get a manual for your water heater? If yes, then go through the trouble shooting section of the manual. If no, then determine the model number and go on line to download a copy of your manual. Also, owning a multi-meter and knowing how to use it will help you troubleshoot many electrical devices down the road. I suspect your water heater is likely an electric/gas unit; are you sure it uses a pilot light and is not actually using electronic ignition? Do other gas appliances work OK? Provide as many details as possible when describing the water heater and its failure situation.
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Old 05-23-2021, 01:35 AM   #4
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 7,502
THOR #7035
Quote:
Originally Posted by Kurious333 View Post
Hi Everyone,

I am new to living full time in my RV...no hot water and I donít know how to fix it. Any suggestions on how to fix this?

Thanks in advance,
What have you done to try to make the water heater work?

Propane has to be on and the gas line free of air for the water heater to work on propane. Most people light the stove burners to insure the gas lines are air-free.

You have to be plugged into SP for the water heater to work on Electric.

The water heater has to be de-winterized and filled with water before trying to use it.

You have no pilot light - the gas lights with Digital Spark Ignition (DSI). The "pilot light" comes on when the water heater is not able to light the gas flame after several tries.
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2016 ACE 27.1
2016 Chevy Sonic Toad
2020 Chevy Colorado Z71 Trail Runner Alternate Toad
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Old 05-23-2021, 06:31 PM   #5
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Brand: Thor Motor Coach
Model: Windsport 34F
State: Alberta
Posts: 115
THOR #22490
Quote:
Originally Posted by Kurious333 View Post
Hi Everyone,

I am new to living full time in my RV...no hot water and I donít know how to fix it. Any suggestions on how to fix this?

Thanks in advance,
Are you referring to the light by the switch to indicate it's on or a gas flame at the heater?
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