"Walter R." wrote in message
...
Might be your faucet. Sometimes they set up a loud vibration. May happen
only after the hot water hits the faucet. If it is a washer type faucet,
take it apart.

Water hammer only occurs when you shut off the water too abruptly.

--
Walter
www.rationality.net
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"Adam Preble" wrote in message
...
I'm trying to get more information about what I might be seeing here. I
have a home warranty that will probably get it repaired, but I wanted to
make sure they sent the right guy out (plumber or water heater
repairman).

When I'm running hot water in the kitchen, I'm getting a Continual
pounding sound from the water heater. I think it's like water hammer,
but it's at a rate like a woodpecker attacking a tree in a cartoon.

It's happened when running the sink on hot or the dishwasher. Any ideas?


I had this problem an it turned out to be the cutoff valve on the water
heater. WH was installed in both input and output valves. Dont remember
which it was. It would hammer anytime I turned on the hot water at any
location. Sometimes it would stop when I turned on the cold. A guy where
where I bought the replacement valves asked me if I noticed which way they
were installed before I took them out(I didnt) said they may be in
backwards.