Can someone tell me what to suspect if every time I turn on a water facuet in my home or flush a toilet there is a noise that sounds like a motor of some sort going thorough a recycling phase that takes place about a minute after the water source is turned off. It is the loudest on the wall where the main water pipe leads out of the house and it is loud!

Thanks

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Originally Posted by delayedreaction

Can someone tell me what to suspect if every time I turn on a water facuet in my home or flush a toilet there is a noise that sounds like a motor of some sort going thorough a recycling phase that takes place about a minute after the water source is turned off. It is the loudest on the wall where the main water pipe leads out of the house and it is loud!

thanks

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Do you have a PRV,(pressure reducing valve) installed down there? Back to you, Tom