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We have 4 Grohe 28.432R body shower valves in use since 1987. One valve doesn't shut and leaks. Is there a cartridge that can be replaced. Thanks. Fred Novomestky

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6ya6ya
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Posted on Jan 02, 2017

  • 44 Answers

SOURCE: Grohe shower assembly leaking

hiit sounds as though the diverter valve is sticking in the mid position although you have turned it to the floor spout as you call it!!
Also it sounds as though the seals are possibly leaking causing the plasterboard (drywall) to get we, or possibly a joint may be leaking. Advice access the pip-work valve etc run shower & check with torch (flashlight) to see where its coming from?
Rectification work replace seals/repair leak...replace diverter valve assembly.

Kindly

Richie (UK)

Posted on Dec 20, 2008

  • 49 Answers

SOURCE: grohe trim pressure balance valve

i looked at it and there might be a press in cap with a screw underneath where the grohe label is. there also may be a set screw around the shoulder of the handle where an allen hex wrench fits to losen its clamp on the stem. also.......some handles just snap on and just pull off with some tugging and wiggling them just right.

Posted on Jan 23, 2009

  • 5603 Answers

SOURCE: I am installing a Grohe 35015 shower valve. I

Be concerned and follow manufactures recommendations. Often you make sure any plastic seats are not closed if soldering the valves.

The only connection for copper pipe I know of that aren't soldered are either the flared fittings OR the compression ones using the littl "ball" type collars.

Posted on Sep 22, 2009

  • 1 Answer

SOURCE: How to clean cartridge in Delta Monitor shower valve

Found help in Delta website

Posted on Oct 02, 2009

Nomodo4u
  • 863 Answers

SOURCE: shower head is making high pitched whistling nois

The holes are probably clogged from hard water. Take the whole head assembly and dip it in a bucket of CLR for an hour or so. Then rinse off and give that a try. If your cheap, you can use a bucket of white vinegar and a little bit o water, but the smell is most disagreeable.

Posted on Feb 12, 2010

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Your mixing valve(faucet) has a bad valve and is allowing the hot water to bypass and leak thru shower. You should replace the bad mixing valve or the faucet to repair and stop the leak.

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The cartridge is absolutely the culprit. Very good shower valve, however the cartridges do go. Shut the water, take the handle off, disassemble the face plate, remove chrome collar from body, remove retention split spring, pull cartridge itself straight out. Replace new cartridge in reverse order of removal. Cartridge can be found at home depot, or any plumbing supply store. Good Luck,
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if you pull the handle off all the way back to the valve body there is a little black stopper around the cartridge body that you can adjust by pulling it out and sliding around the cartridge body this enables people to just turn the handle to one setting and jumpping in to their favorite temperature. in your case it doesn't allow you to have any cold water. so turn it one way see if you get what you want or try the other or some of them you can even just take the darn thing out and not even have to worry about it

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This is what you should have... Grohe Grohmix Thermostat Valve & Trim - 34436
  • Paraffin cartridge
  • Lever volume control
  • Grip ring temperature control
  • 1/2" NPT female connections
  • Service stops
  • Includes rough-in valve and trim
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  • Requires Twin Ell (03 671) for shower/tub combinations with diverter spout
  • Grohe Grohmix Thermostat Valve & Trim - 34436

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    I have a Grohe shower head that leaks buckets (not an exaggeration). We bought the parts that we were advised to buy from Grohe, but even the professional plumber couldn't stop the leak or install the new...


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    GROHE FAUCET DRIPS FAUCETS IS A 34-434


    yes this is definately the cartridge.You might not have to replace the cartridge.First take the cartidge out and see if their is any dirt causing the water to pass thru the spout.If thiers nothing obstructing the cartridge than you will need to get a new one.

    Jan 25, 2009 | Grohe Integrated 1/2'' Shower Thermostatic...

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    Grohe shower assembly leaking


    hiit sounds as though the diverter valve is sticking in the mid position although you have turned it to the floor spout as you call it!!
    Also it sounds as though the seals are possibly leaking causing the plasterboard (drywall) to get we, or possibly a joint may be leaking. Advice access the pip-work valve etc run shower & check with torch (flashlight) to see where its coming from?
    Rectification work replace seals/repair leak...replace diverter valve assembly.

    Kindly

    Richie (UK)

    Dec 17, 2008 | Grohe Home

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