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Leaking pressure balance valve (Valley)
Author:steve71291 (LA)

I just replaced the entire cartridge in my Valley Presure Balance Tub/shower valve because the stem broke off the old one. The new one will not completely shut off. It trickles water. What do I need to do?


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Re: Leaking pressure balance valve (Valley)
Author:dlh (TX)

replace the springs and washers
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PLUMBERS 'Protecting The Health Of The Nation'


We are updating our '60s era bathroom, and chose the American Standard R110 pressure balance valve body to go with our bath and shower trim kit. The unit is well made and was relatively easy to install, as it came with ample printed installation instructions. A pressure balance valve is a sophisticated plumbing device that reacts to changes in the pressure of the delivery water. Typically, both hot and cold water sources are fed into the valve, and its job is to ensure that the volume of water that leaves it is a constant mix of these two sources, even if the delivery pressure of the two sources changes. I am trying to remove a presure balancing unit from an American Standard single handle shower faucet. I did some work in another area of my house and when I turned the water back on the hot side of the pressure balancing unit became cloggged with rust or sediment.

Re: Leaking pressure balance valve (Valley)
Author:steve71291 (LA)

The cartridge was complete all parts where brand new. Should I do that anyway?


Re: Leaking pressure balance valve (Valley)
Author:dlh (TX)

then you either didnt put it together correctly or you have some debris in the way or it is a bad cartridge
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PLUMBERS 'Protecting The Health Of The Nation'


Re: Leaking pressure balance valve (Valley)
Author:jerco (MD)

... or the leaking water wore a grove in the brass that bypasses everything.


Re: Leaking pressure balance valve (Valley)
Author:Shoemaker2 (MA)

Take the valve apart again and see if you can see what may be causing the leak.


Re: Leaking pressure balance valve (Valley)
Author:steve71291 (LA)

I took the cartridge back out and replaced still drips unless you run straight hot water through it for a little while before turning off then it will not leak.


Re: Leaking pressure balance valve (Valley)
Author:jimmy-o (CA)

One of the problems, which I have seen more and more of......brands like Valley, Nibco showers, Mixet, etc. are orphans. Company is loooong gone, and aftermarket companies are producing parts.
Because the population of such valves gets smaller each year, it becomes less profitable to sell those parts, so they go from one cheap chinese factory, to an even cheaper chinese factory. It is getting very hard to find good aftermarket parts anymore, and especially so for those orphans.


Re: Leaking pressure balance valve (Valley)
Author:steve71291 (LA)

How hard or costly would it be to replace with a whole new valve and body from a more viable company. I can not access from the rear. The shower/tub combo is a one peice plastic unit. Can a bigger hole be cut around the valve to make the change then sealed back with a patch?


Re: Leaking pressure balance valve (Valley)
Author:vic (CA)

One thing to do when replacing a cartridge (any/all brands) is to (naturally) first turn off the hot and cold water.
Then remove the old cartridge (and springs, etc if those are not all attached to the cartridge) and then turn the water back on for a few seconds (without the new cartridge being installed). After turning the water off for the second time then it's time to install the brand new replacement cartridge.
The reason for turning on the water for a few seconds WITHOUT the new cartridge is to hopefully blow out any rocks, metal shavings, particles or whatever else may have caused the original cartridge to leak in the first place.
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Additional suggestion:
It's a good idea to have someone hold a rag in front of where the cartridge was while you have the water on at full blast to prevent water everywhere.
Edited 1 times.


How To Install An American Standard Toilet

Re: Leaking pressure balance valve (Valley)
Author:jimmy-o (CA)

It is possible to make a slightly larger hole. You can buy a trim plate....known in the trade as a 'smitty plate' to cover the larger hole. Delta RP29827 is about 13' wide and 8 1/8' high at the center. The center hole ID is 5 1/8, which the Valley escutcheon would cover.


Re: Leaking pressure balance valve (Valley)
Author:LemonPlumber (FL)

I would remove. Fine sand the rubber matting surface at the brass. Lubricate the new rubber seal and reinstall.


Re: Leaking pressure balance valve (Valley)
Author:davidr63 (VA)

How do you remove the cartridge? I have unscrewed the the retaining cap and it does not come out or twist. I am afraid of breaking the damn thing since it is made of plastic.



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How To Install An American Standard Pressure Balance Valve

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Maintaining safe shower water temperatures with This Old House plumbing and heating expert Richard Trethewey

Project Cost
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How To Install An American Standard Shower Kit

Skill: Moderate
Basic plumbing skills required, including soldering

American Standard Toilet Parts

In this video, This Old House plumbing and heating expert Richard Trethewey renders shower water temperatures safe.

American Standard Hvac

Steps:
1. Turn off the water leading to the bathroom. Then use pliers and a manual handle puller to remove the faucet handles and escutcheons from the hot- and cold-water faucets.
2. Unthread the faucet stems from the shower wall using an adjustable wrench.
3. Using a level, mark level and plumb lines onto the shower wall, indicating the horizontal and vertical centers of the existing shower valve.
4. Take the paper template that came with the new shower valve and hold it against the shower wall.
5. Align the template with the centerlines marked in Step 3, then trace the outline of the template onto the shower wall.
6. Use a drill/driver and 3/16-inch-diameter masonry bit to drill a series of closely spaced holes through the tiled wall. Be sure to drill the holes just inside the template outline.
7. Next, connect the holes by cutting through the tile using a hammer and ½-inch-wide cold chisel.
8. After chiseling through the tile, pull away the tiled wall section to expose the old shower valve. Use a drywall saw to trim away any ragged edges of drywall.
9. Use pliers to carefully twist off the tub spout. If there's a setscrew beneath the spout, loosen it first before trying to remove the spout.
10. Remove the access panel from the rear of the shower wall. Then, use a reciprocating saw fitted with a metal-cutting blade to cut through the pipe connecting the old valve to the showerhead.
11. Using pliers, loosen the threaded unions that secure the shower valve to the water-supply pipes. Then, remove and discard the old valve.
12. Cut short lengths of copper pipe to join the new shower valve to the existing water-supply pipes, tub faucet and shower riser.
13. Brush flux onto the pipes and fittings, then solder the new valve into place.
14. With the new pressure-balance valve installed, move around to the tub side and screw on the finished escutcheon plate.
15. Wrap Teflon tape around the tub-spout stub-out, then thread on the new tub spout; tighten the spout by hand, don't use pliers.
16. Screw the handle onto the center of the new shower valve.
17. Snap the index onto the handle to conceal the screw head.