Sound from drain pipe

justryn70 Posts: 1, Reputation: 1

New Member

Mar 28, 2007, 07:19 AM

Sound from drain pipe

Loud knocking sound from drain when hot water runs down?

doug238 Posts: 1,560, Reputation: 62

Ultra Member

Mar 28, 2007, 06:02 PM

Simply expansion and contraction of the pipes if no water showing up.

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