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Author:
championofswords (WA)
50-year-old + 80-gallon sears pressure bladder pressure tank with old, galvanized piping. It has a check valve straight off the tank with a snifter value on the top of check valve. Question how do I drain the tank? It does has a tee after the check valve. I was hoping to drain the water in order to check the pressure in the tank. Was hoping to add new pressure switch.
Edited 2 times.
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Author:
bernabeu (SC)
what on earth is a snifter value ?????????????????????????
post a pic
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Author:
steve (CA)
Snifter valve terminology is typically used to describe an air valve with either a very weak (3 psi) valve core spring or a valve core with no spring at all. They are used in shallow well pump systems to allow air to be sucked in through the valve to recharge a Shallow Well Air Volume Control (AVC).
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Author:
bernabeu (SC)
ok
the typo went right over my head
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Author:
steve (CA)
You don't have a drain the tank to check the air charge. Turn off the power to the pump and open a faucet to bleed off any water presasure. The air charge can then be checked.
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