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Marc
Marc, Plumber
Category: Plumbing
Satisfied Customers: 1126
Experience:  Plumbing heating & home maintenance contractor
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After i run the shower in the morning, I hear a humming or

Customer Question

after i run the shower in the morning, I hear a humming or high pitched sound (.seemingly in the walls), lasting for a minute or two ..then it goes away., almost like you hear sometimes when you turn on the water hose. Any idea as to what it may be?
Submitted: 4 months ago.
Category: Plumbing
Expert:  Rick replied 4 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. Please give me a few minutes to look up the specs for your unit. I’ll be back as soon as I have the info I need.

It could be from the backflow preventer on the outside faucet. If you leave the hose connected try disconnecting it and see if the noise goes away.