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Chris Hoffman 05-28-2019 07:19 PM

Camper water heater
Hello all, I just bought a used camper that's in excellent condition, I just have one problem...the water heater. The tank gets hot and every now and then you get a burst of hot water. The guy I bought it from said he had a problem with the check valve on the top. I replaced the check valve today and it's still just giving me a burst of hot water when I turn it on the goes back to cold. Any help would be greatly appreciated! Thank you.

vonheise 06-05-2019 10:51 PM

If it is an on-demand tankless water heater, the best advice I can give is to replace it with a 6 gal. gas/electric model. I played with the thermostat on one, I replaced a few things and then threw in the towel. I didn't replace the heater, I replaced the camper as we were wanting to get a slightly larger one, and that was the motivation to get us to trade. If it is a 6-gallon tank, I don't really have an answer due to owning 6 campers over 54 years and have never had a problem with a tank heater. The new ones have several valves for winterizing them but have never heard of your problem except with a tankless one and I have heard nothing but your type issues with them. In my opinion the small ones in a camper just don't work.
However, the first thing to try is to lower the thermostat so that you use almost a full flow of hot water to shower or fill a sink. Low water flow causes them to turn off and on and it takes a bit of time for the thermostat to react.

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