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Thread: Shower cartridge replacement help

  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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    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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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

  7. #7
    DIY Junior Member frodo's Avatar
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    your gonna need a cartridge puller. if not, you will pull the stem right out of the cartridge
    ask me how i know this? then its a whole different ball game. i had a old cartridge 1 x that when i pulled it. i thought i was gonna pull the valve out of the wall!!! thank goodness it was brass and not plastic
    the tree of liberty must be refreshed from time to time with the blood of patriots and tyrants
    herzlichen gluckwunsch zum dd ich bin uberrascht wen nicht alies da findet

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    Moderator & Master Plumber hj's Avatar
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    with an all brass stem, the cartridge puller USUALLY pulls the stem out of the barrel, then you need an additional tool, (or tools), to remove the outer section from the valve body.
    Licensed residential and commercial plumber

  9. #9
    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!

  10. #10
    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.


  11. #11
    DIY Junior Member frodo's Avatar
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    depending on where the valve is.. it can be removed. from the back. so as not to tear up your tile wall
    the down side to it is. your stuck with that valve type. a new eschtion plate but not a 3 handle faucet
    measure where the valve is in relation to the room behind the valve. cut the sheet rock out and replace the valve
    its a pain in the but to do. but can be done
    the tree of liberty must be refreshed from time to time with the blood of patriots and tyrants
    herzlichen gluckwunsch zum dd ich bin uberrascht wen nicht alies da findet

  12. #12
    Retired Defense Industry Engineer jadnashua's Avatar
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    If your water pressure is varying because of the old building and numerous condo units, you may want to look into a thermostatically controlled valve verses a pressure-balance only type. For maximum flexibility, the Delta R10000 rough-in valve gives you a choice of three different cartridges/trim sets so you can change your mind down the road. THe three different ones are: single handle pressure balanced; two (concentric) knobs/handles - temperature and volume; thermostatic control - two knobs/handles - one temperature adjust, second volume. There are lots of trim choices, and the trim costs more because the cartridge comes with the trim, not the rough-in valve. A big box store may package all the bits together, but on-line and at a plumbing supply store, they're generally separate purchases for maximum flexibility and minimal stock complication.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  13. #13
    Plumber MichaelBukay's Avatar
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    Best puller I have found for old Moen. http://www.azpartsmaster.com/Product...en__3076A.aspx

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