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The shower valve in my guest bathroom is leaking and I would like to replace it but it's fairly old and not compatible with the new mixer cartridges. I bought a brand new valve & cartridge but I'm a bit nervous to attempt replacing it because the hot & cold water pipes will need to be re-soldered and I'm not sure I have enough space to do a good job.

This is an Eljer valve which I believe has been discontinued. The shower handle is one of those where up-down controls the flow and left-right the temperature of the mixture.

Are there any other options? Maybe some sort of converter cartridge is available? I don't even know where to start looking nothing appears compatible.

I would like to switch to a single handle and replace the trim (to Moen or Delta or something) but don't know if that's possible without replacing the valve?

Here is what the valve looks like

enter image description here enter image description here

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It looks fairly standard to me. I'd contact Eljer & see if Danco, Brasscraft or someone else has put out a replacement that fits. Otherwise, have you tried to rebuild the old valve with O-ring replacements & such? Eljer should be able to direct you to the right kit for the valve.

On the other hand, soldering will be difficult & could cause a fire in the wall if you're not experienced. So, either get a Plumber or get a SharkBite Threaded connector so you can just cut the old valve loose & wrench in the new one. I updated the picture to show the correct valve that has screw shut-offs or stops (the silver screw).

Valve & Connector

  • I've soldered pipes once - in an exterior wall full with insulation and managed to NOT start a fire, but it was nerve wrecking. I would like to switch to a single handle and replace the trim (to Moen or Delta or something) but don't know if that's possible without replacing the valve? – ventsyv Mar 25 '16 at 4:09
  • Yeah, don't even bother trying the soldering then, it'll be more annoying than dangerous. I just updated my answer with a threaded valve that should address the problem...that one doesn't have integrated shut-offs, but you may be able to do those as the compression fittings themselves or install in-wall valves (compressions too) if you have an access panel. – Iggy Mar 25 '16 at 4:32
  • Lost you there. If I cut out the old valve I still need to solder the nuts to the pipes right? – ventsyv Mar 25 '16 at 4:48
  • Nope. Compression fittings use a brass ring to cinch the pipe almost as securely as soldering. You'd slip the nut on the pipe & then the ring & just tighten the nut down to be done & leak free. – Iggy Mar 25 '16 at 4:57
  • If you cut out the old valve, won't the pipes be slightly shorter? So you'd have to buy a slightly larger valve, or make up that lost pipe somehow, right? – Tester101 Mar 25 '16 at 12:04

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