Hot water pipe hammering
Posted by Dick Best on August 08, 2001 at 10:52:46:
I have had a hammering arrester on my hot water pipe for about 10 years, and it worked fine. Recently hammering has returned. I bought a new arrester -- the thing that looks like a giant CO2 cartridge -- but it has not eliminated the problem as well as before. If I drain the hot water system to lowest possible level, might that solve my problem?

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