Forum Discussion
mobeewan
Aug 26, 2017Explorer
If it is an Atwood WH they recommend in their manual to use vinegar to remove the smell. They recommend removing the relief valve and pouring the vinegar in and letting it set for a while then flush. If you don't mind spending a little extra money on vinegar and don't want to remove the valve you can just pump it in through the winterizing connection after draining it and reinstalling the plug.
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