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Hansgrohe PB shower cartridge (brand new) passing water thru cold side with valve turned off. Six-year old cartridge replaced the other day. Removed side filters and cleaned. O-rings ok. Applied silicon grease and reinstalled. Installed cartridge, put on valve plate (four screws) and turned cold water back on at valve stops. After about 10 seconds water started coming out shower head. Turned off stop, removed cartridge assy and checked o-rings. Were in place, grease was smeared on filter plate surfaces. Re-installed again, turned on valve stop and water came out of the shower head at about a pint a minute. Continued to leak until I turned off cold stop. Hot side is from an instant hot-water heater so I can't tell if the hot side is leaking also. You can hear the water flowing through the valve when the valve stop is turned on. Could there be a slight mis-alignment in the valve assy with the new cartridge? How would I ever know? Should I also replace the plastic filter holders?

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What is the model number of the unit in question? What color was the old cartridge in the valve and the new cartridge that you replaced it with? If no model number do you have any pictures of this valve/trim in question? It could be that you got the wrong replacement cartridge or something is not properly aligned within the valve. Feel free to contact me direct at Hansgrohe. I'd be happy to help. 1-800-334-0455. Press 2 for tech and ask for David. Or email me at david.scarborough@hansgrohe.com

Posted on Jan 07, 2013

  • steve pustelnik Jan 07, 2013

    Hi David, The unit in question is a Watermark Tempress Pressure balance shower valve that had a Hansgrohe PB cartridge installed. P/N 92999000. The unit was made in Canada and I replaced the cartridge with an identical part (same P/N) . BTW, the 92999000 P?N replaces a 13408-18 which comes out as aGrohe P?N, not HansGrohe. Not sure what that means. I was thinking there maybe some misalignment, but I measured out both valve this A.M. and they appear identical. I was gonna try not fully installing the filter pieces (leave a gap) and when I push the cartridge in let it do the pressing to see if there is some wiggle room by me placing them in by hand. Have to go to work now, but thank you for your answer and reply and look forward to talking with you should this new try not pan out...

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Posted on Jan 02, 2017

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SOURCE: replaced moen 2225 cartridge leaks when valve is turned on

Yes you remove the clip by pulling up  on it.  make sure water is off.  then you can replace the cartridge by puling it out.  make sure that you put new cartridge back in the same way you took it out there will be a H and a C on the cartridge.  

Posted on Jun 23, 2009

  • 112 Answers

SOURCE: Moen Eva two handle lavatory faucet - hot water

Hot water side of most faucets give most problems try heating with hairdryer pryor to trying to remove,contact moen tell them of your situation they will more than likely send you a new cartridge free of charge if you raise enough stink about just replacing cartridge.

Posted on Jun 12, 2011

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Possible issue with pressure balancing cartidge, When you remove parts, turn off water, remove parts, slowly turn on water and see if brass valves lets water out. If yes pressure balancing cartridge or cartridge itself is defevtive.

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Not sure about your particular valve, but most newer shower valves have an anti-scald limiter that stops the handle from turning too far to the hot water side. Check for a ring or a pin under the handle that can be set in different positions. It will need to be moved clockwise to allow the handle to rotate farther to hot.

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Your shower has been installed for a while and you are noticing the dial must be turned further and further to the hotter settings to get a normal shower - In this case the filter on the hot inlet is getting clogged with debris. Refer to the cleaning instructions in the manual that came with your shower, or contact Hansgrohe USA by calling 800-334-0455 for the documents.

If your installation is brand new or old, debris on the filter is the number one cause of this problem. You can test it by noticing if there is a drop in pressure when you dial to a hot setting as opposed to the cold setting. The drop in pressure indicates dirt on the filter where water has a tougher time getting through.

Filters on a shower valve may seem strange to US consumers. Your old two handle valve system woul run for years without needing servicing. Now you have filters to deal with. These filters, like any filter need to be cleaned periodically and the frequency depends on the quality of your water supply system.

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I install single handled designers choice four years ago. About six months ago it started leaking continously at the shower head with the valve in the shut position. Why?


The mixing cartridge in the valve body is worn.. allowing water to by pass it.. it will only get worse.

This is a relatively easy fix. The part is available at your local Ace Hardware store.

You will need some basic tools..access to the water supply (to turn it off).. and the new replacement cartridge.

Be careful not to mar the surface of the fixture.. a wet rag and a pair of channel locking pliers may work for you... once you disassemble the valve where you can see the cartridge make note of the position before removing it..(notches).. most of these only go in one way..but it helps to put the new one in exactly in the same position as the old one came out...on some it's possible to put it in 180 degrees in reverse.. put it in right the first time.. to keeps the valve functioning the proper way.

Make sure everything is reassembled correctly.. turn the water back on and test for leaks..should fix the drip.. about a 30 minute job depending on how much trouble it is to turn the water off.

Best of Luck

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1 Answer

Not sure if it is a Moen. It is about 30 years old. It has a single handle where you turn on and adjust the temperature, and a shower head and tub spot. Also has a round piece at the bottom of the tub...


Close the stopper at the bottom of the tub - this is so anything you might drop doesn't get into the drain. The drain should not be involved.

You will need to remove the tub/shower valve handle and decorative plate first. Behind the decorative plate there should be a shut off valve on each side of your valve. They will probably be slots to accept a big screwdriver. Turn both the hot and cold water valves off by turning them clockwise until they stop. Do not overtighten them.

Then take a pair of pliers and rotate or pull the tub/shower vale out toward you. You are now testing the shut off valves to make sure they hold before you go any further. If they don't hold and water keeps flowing from either side, you may need to turn off the water to the room or even the house. Hopefully, this won't be necessary.

The shower valve should be a cartridge that can be removed. You must remove a retaining clip that holds the cartridge in place. The clip can be removed with a small flat head screwdriver or needle nose pliers. Do this carefully.

Once the clip is removed, you should be able to remove it by pulling it straight out. This may take a little force. Use the pliers again. If it's stuck, they make a removal tool, but hopefully you won't need it.

Once the cartridge valve is out, take it to a home improvement store and they should be able to match it up. Given its age, the valve may have to be ordered.

When you re-install the cartridge, pay attention to it's orientation. The worst thing that will happen is that the hot and cold could be reversed, but that can be corrected by removing the cartridge, flipping it over and re-installing it. Put a little hand liquid hand soap on the new cartridge when you install it so it slides in more easily. You should have received a new clip with the new cartridge. Open the shut off valves slowly.

Test the valve for hot/cold orientation again and look fo any leaks before you re-install the decorative plate and valve handle.

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3 Answers

My Mo's shower is about 6 years old. I think the


Sure - there is always help at FixYa!

This sounds like a bad cartridge. They can be replaced. To replace the cartridge:

Turn off the water to the tub/shower.
Remove the handle cover (it should pop off)
Remove the center screw (usually phillips head)
Remove the retaining clip holding cartridge in - you can use a pair of long nose piers or a small screwdriver
Grab the cartridge with a pair of pliers and pull straight out. It may require a little force - there are O-rings around the cartridge to keep it from leaking.
Check the cartridge bore (the hole where the cartridge was removed)
Clean any debris or scale - lime away or CLR will work
Apply a little bit of soap around the new cartridge to help it slide in easier. Push it all the way in and make sure it is seated. Re-install the clip (you should have received a new clip with the replacement cartridge)
Turn the water back on a check for leaks
If OK, reinstall the knob screw, and cap.

Let Mom take her warm shower...:)

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1 Answer

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