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Old 03-21-2022, 04:29 PM   #1
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No hot water - 2021 Sunset Trail 331bh

Hot water suddenly stopped working… HELP PLEASE!

We have a 2021 Crossroads Sunset Trail 331bh. My husband took a shower over a week ago without issue, but since that shower we haven’t had hot water. We have both gas and electric for our water heater, but neither one are working. Both were working just fine before this.

We did run out of gas around the same time that we lost the hot water, so not sure if it’s all related. However, you’d think that electric would be working at least. We also changed the propane immediately but did not help with the issue.

Troubleshooting we’ve tried:

- checked ALL fuses
- checked the bypass
- replaced the whole board
- checked for corrosion
- flipped the breakers
- ran the stove to clear the lines of any air bubbles
- replaced the propane and triple checked everything there
- checked to make sure the shower was turned off correctly (at the faucet and not the shower head)

I THINK that’s about it.

I read stuff about relighting the pilot light, but seems that is maybe for the older models? I don’t even think we have an option to manually light the pilot. Plus, wouldn’t electric still work even if that was the case?

If anyone has ANY suggestions you think we should try, I would love to hear them! Thank you!!!

At this point I want to just take out the water heater and replace it with a tankless/instant heat one, but I can’t seem to find any information about what model number would work for our trailer.
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Old 03-21-2022, 04:49 PM   #2
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Do you know what brand of water heater you have? Attwood/Dometic or Suburban?
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Old 03-23-2022, 01:41 PM   #3
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You did not say, are you on shore power??
You should first determine if you have hot water, but aren't getting it to the faucets. You can do that by CAREFULLY opening the pressure relief valve on the water heater. You access that outside. Open the access door and it is a brass valve with a small handle on it. Be careful, it gushes out.
Have you heard your water heater fire up at all on gas? It's usually pretty obvious, and there is heat exhaust coming from the water heater outside.
You don't have a pilot light. If you turn on the switch on your control panel, you should see the switch light up. Have someone outside observing what happens, and turn on the switch. After a short time, they should hear a 'click' when the gas valve turns on. If you get that far, let us know what happens. The water heater will attempt to start a couple times, and if it fails, there will be a small error LED flashing on the lighted switch. Let us know if it gets that far. That is usually a gas issue.
It's odd that both gas and electric quit working.
When you turn on the electric water heater switch, it should light up. If it doesn't, the water heater is not getting power. If you have a fireplace, the electric water heater and fireplace will not work at the same time, and there is a switch to choose one or the other.
Do not just throw expensive parts at it, there is a practical way to troubleshoot it.
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Old 03-24-2022, 05:45 AM   #4
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You may want to check your wiring at the heater. This happened to us in our 2013 Zinger ZT260BH. Wires melted together in the electrical tape.
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Old 04-05-2022, 02:00 PM   #5
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No hot water - 2021 Sunset Trail 331bh

There is a thermal cutout switch on some water heater models. I had a similar issue with my heater and found that to be the problem. I ordered from Amazon once I identified the part. There were 2 in the package. Total was $22. The part I needed and ordered was for an Atwood heater and the part number is 93866. Here is a link:

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Hope this helps.
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