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Question DetailsAsked on 7/20/2013

shut off water valve behind wall in bathroom

we have a leaky faucet in the bathtub, our water shut off valve is in the wall behind the fixtures/faucets. how do we find it and then shut it off to repair the leaky faucet?

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3 Answers


By code, a shutoff valve should be readily accessible.

Two choices, assuming your tubs are not back-to-back.

1) use a pipe and wire detector (the type tht detects wires as well as non-iron pipes - about $15-20) to locate the pipe, then open a small hole in the wall behind the tub and feel around for where the valve is, then open a big enough hole there to open and close it. Cover with a screw-on cover you can buy at plumbing and home imporvement stores and some box stores, so you can get at it in the future. The shutoff valve will normally be about 1 foot below or above the tub valve, depending on which way the water pipe comes to the tub. Bear in mind you are talking 2 valves there - one hot, one cold.

2) shut off the water to the entire house, open a lower faucet to drain down the water to change the faucet.

Answered 7 years ago by LCD


Although, I appreciate the answer I received, I have since found out where the valve is located & it is really simple. Valve was located behind the hot water faucet. The knob had to be removed, then the plate that covers the hole/stems/pipe opening. In there is a screw valve that you turn with a screw driver and it turns off the water.

Source: The handyman who came to fix my leak

Answered 7 years ago by m


That explains why there was no access panel on the back of the wall - I forgot about the screwdriver opeated mini shutoff valves cometimes used in that application. Shows how long since I installed or repaired a tub or shower valve myself, or how good quality the Delta ones in my own house are - never needed maintenance of any type in 32 years.

Answered 7 years ago by LCD

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