Expansion tank needed for water heater?
When purchasing my new TT, the dealer supplied a water pressure regulator and mentioned the importance of using it to avoid possible damage to the plumbing system in the event a particular campground ...
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I recommend an expansion tank for all closed systems. I had a pesky leak that took almost three years to find while looking off and on. Dealer could not find it. Leak was a bad fitting that just leaked when the heater went full cold to full hot without using water along with the spike in pressure.
