Does anybody know how air could get in hot water piping?
I had a detached shop built, with 1" plastic pipe from the main house
to the shop. 3/4 & 1/2 copper feeds the Water Heater, sink and toilet.
The first time I open the hot faucet each day, it discharges air for
a few seconds. I have no problem with the cold water, nor with either
hot or cold in the house.
It may not be air, but hydrogen.
Google around a bit, you'll likely find an explanation of what chemical
reaction causes hydrogen gas to appear in water heaters and piping, I've
forgotten the specific details.
Jeff Wisnia (W1BSV + Brass Rat '57 EE)
"My luck is so bad that if I bought a cemetery, people would stop dying."
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