2022 M26 Hot Water Tank Plug Leaking

BIGBREW

Member
First weekend camping with our new 2022 Mallard M26 and the water pump cycles all the time because the plastic hot water tank plug leaks all the time.

Can I replace with a brass plug or will that cause more corrosion due to the 2 different type metals? I think I was told my tank was porcelain but I could be wrong.
 
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