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Thread: Shower cartridge replacement help

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  1. #1
    DIY Junior Member HudsonRiverBlues's Avatar
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    Default Shower cartridge replacement help

    My shower has issues with temperature control; micro-blasts of very hot followed by cold water while showering. I'd like to try changing out the cartridge but I have no idea what make the shower fixture is. I tried removing the cartridge, but couldn't get it out. And since I don't know what it is, I'm not sure what additional tool to buy to help me remove it. Does anyone recognize this? Thanks!!
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  2. #2
    DIY Member WorthFlorida's Avatar
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    It looks like you got it part way out. If that is the case, get out the can of WD 40 and give it a shot. After a minute or so push the valve back in and give it another shot of WD and work it back out. It may take a few times. WD 40 base stock is fish oil.

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    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    That looks like a Moen faucet with an extension kit. They make several pullers for it.
    http://www.homedepot.com/p/DANCO-Car...4#.UdaspCinbD0

    John

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    Retired Defense Industry Engineer jadnashua's Avatar
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    How old is that thing? It may not solve the temperature swings when you replace the cartridge. It should if it was built after the anti-scald federal regulations came into effect, but not if it doesn't have that technology built in. TO get that, you'd need to replace the whole valve (unless they make a cartridge to retrofit your old valve, should it be that old). Sometimes, getting a cartridge out of an older Moen (if that's what it is) can be a real challenge.
    Jim DeBruycker
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    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Quote Originally Posted by jadnashua View Post
    How old is that thing? It may not solve the temperature swings when you replace the cartridge. It should if it was built after the anti-scald federal regulations came into effect, but not if it doesn't have that technology built in. TO get that, you'd need to replace the whole valve (unless they make a cartridge to retrofit your old valve, should it be that old). Sometimes, getting a cartridge out of an older Moen (if that's what it is) can be a real challenge.
    Not for a plumber with the proper tools.

    John

  6. #6
    Retired Defense Industry Engineer jadnashua's Avatar
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    Quote Originally Posted by johnjh2o1 View Post
    Not for a plumber with the proper tools.

    John
    True, but we're talking about someone who is not...this forum is primarily for people that don't know or have the tools it may require. In that case, yes, it can be a pain to get out...
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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    DIY Junior Member HudsonRiverBlues's Avatar
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    Quote Originally Posted by jadnashua View Post
    How old is that thing? It may not solve the temperature swings when you replace the cartridge. It should if it was built after the anti-scald federal regulations came into effect, but not if it doesn't have that technology built in. TO get that, you'd need to replace the whole valve (unless they make a cartridge to retrofit your old valve, should it be that old). Sometimes, getting a cartridge out of an older Moen (if that's what it is) can be a real challenge.
    That is definitely a concern I have. From the bit I was able to pull out (without getting it out all the way) shown in the picture, it doesn't look like any cartridge I've seen in catalogs (I looked at Alfano Plumbing catalogs). This is a co-op building built in 1953. The original bath and shower would have been a 4 handle arrangement. At some point, someone removed the tub, tiled everything and created a shower-only with the single-lever fixture I've shown in the picture. I bought the unit a few months ago. No one knows when the tub-to-shower-only conversion was done, but approximately 10-15 years ago is the best guess.

    Thank you for your feedback!

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    Forum Admin, Expert Plumber Terry's Avatar
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    You may be looking at replacing the valve if you can't find the correct part.
    It seems like a Moen, maybe.
    At any rate, it's pretty far back in the wall.

    If you open up the tile you can replace with a new pressure balanced faucet.
    I'm not a big fan on the non-balanced valves.


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