Hot water pipes knocking.
Posted by Dale Gill on June 15, 2003 at 20:27:52:
Turning on the hot water faucet in the bathroom sink causes a horrible knocking that disturbs the downstairs neighbor. The plumbing in this rental appears poorly installed....

After reading some of the messages posted on the boards I was wondering if maybe the hot water line needs a Pressure Release Valve, and I was wondering where this would need to be installed (proximity to faucet or water heater or high point in pipe) and how hard they are to install.

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