Knock, knock, knock in my pipes
Posted by Cary Wright on January 30, 19100 at 10:51:40:
When I drain the 2nd floor tub or shower in my 1920 house, there is a definite knock that knocks every 3-5 seconds until the draining is done. Should I worry?

Also, the sink in that bathroom only gets cold water but the tub gets both. Help??!!

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