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Old 01-11-2018, 04:37 AM   #16
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Re: single handle washer valve leaking


Yeah, I am thinking about notching the box up against one pipe with a multi-tool so I can pull the pipe over, then maybe caulk up the crack... or glue in a piece of plastic to cover the cut area. One other issue with this particular situation is the house is CPVC, so not able to really apply any force lest the pipes break. And the box is set into a finished wall so lots of work to access the pipes if I need to replumb... plus a new box might not be the same size. Just an overall PITA this is.
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Old 01-11-2018, 04:58 AM   #17
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Re: single handle washer valve leaking


And I keep thinking (maybe dangerous?). Maybe cut the plastic box in half right down the middle, then pull the 2 halves together to overlap that 1/4" and glue or tape it up. That might be a neater way to do it.
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Old 01-11-2018, 06:53 AM   #18
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Re: single handle washer valve leaking


Those boxes usually have tabs on them and are nailed to the studs on either side. You may not be able to move the box over. You could get lucky and it might work, you never know.
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Old 01-11-2018, 09:22 AM   #19
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Re: single handle washer valve leaking


Can you just install 2 individual water valves?
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Old 01-11-2018, 04:05 PM   #20
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Re: single handle washer valve leaking


Not without cutting out the box, and the wall, and putting in new plumbing. Personally, I'd go with the dremel idea and cut a piece out so the pipe will move over a bit. Then it will be easy.
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Old 01-14-2018, 07:26 AM   #21
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Re: single handle washer valve leaking


Long story short none of the shortcuts worked. I moved the pipe over but the old adapters and o-rings were enough different that water leaked out big time from the new valve. Plus the old valve leaked worse every time I reinstalled it so...

I just went to Lowes and got an Oatey box with valve and had at it. Real PITA, new box was bigger and the builder had put a 2x4 header in the space right across the top that made fitting the new box difficult. Photo below. Came out OK with one minor issue. I took the rubber gasket off the valve assembly while soldering the adapters. I snapped the valve body into the box and completed the work. I can't figure out how to unsnap the valve body... I just need to raise it 1/4" or so to fit the gasket. Anyone here used this unit and have a hint? Otherwise I'll go have a look at one at the store to try to figure out where the tabs are... hard to see underneath. If that fails a simple bead of silicone sealant around the perimeter will have to do.
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Old 01-14-2018, 12:56 PM   #22
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Re: single handle washer valve leaking


So I went to Lowes and looked at one in the box and see there are 2 tabs on the molded plastic piece's opening the valve is mounted to for each hot and cold lines, at about 2:00 and 8:00... or 5:00 and 10:00... regardless it is going to be very difficult to do in place.

Anyway it looks like I will need to shorten the vertical legs of the supply pipes so the lower (hot) will not be hard up against a drain or vent pipe which pushes it hard up to where the drywall will go. Move it up 6" to clear so it can sit in the middle of the wall. That's be easy, just make up two short horizontals, cut the verticals to the new shorter length and glue on the new horizontals. I can pull the box and install the gasket then.
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