Shower Valve Problem

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Old 05-26-14, 09:45 PM
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Shower Valve Problem

Hello all,
I have shower valve with no hot water pressure. So I replaced the valve cartridge with a new one (Price Pfister 131765 Ceramic Cartridge) but still the same problem. Have no idea. Shall I change the whole valve assembly? By the way when I close the right screw to stop the water it leaks. But when open it stops leaking...If I replace the valve assembly then i have to tear down the tiles...
 
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Old 05-27-14, 04:38 AM
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There should be a balance spool behind the cartridge. You need to change that..





By the way when I close the right screw to stop the water it leaks. But when open it stops leaking...

Normal for a pressure balanced faucet...
 
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Old 05-27-14, 06:37 AM
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lawrosa, Thanks for your reply. But I did change the whole cartridge with brand new one which I think includes that balance spool but did not work. So the leak from the cold water side screw (shutoff valve) is normal when closed (turned clockwise)???
 
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Old 05-28-14, 06:34 AM
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By replacing the cartridge, the hot water pressure did not improve. Could it be the hot water pressure from the main itself? Maybe there is a restriction int he hot water line coming into into the valve???? what do you think???? Maybe even replacing the Valve housing might not remedy the problem????? I need your input please before I waste my $$!!!
 
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Old 05-28-14, 06:43 AM
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You need to take the cartridge back out.. Let me know if there is a balance spool and verify if you changed it...

which I think includes that balance spool
Sounds like you are unsure. Balance spool is in my pic #2 post and sits behind the cartridge. Youll see it after you take the cartridge out...

This is most likely your issue................
 
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Old 05-28-14, 07:12 AM
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Yes, I am 100% sure that the balance spool is part of the cartridge I replaced. The balance spool is inside the cartridge.
 
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Old 05-28-14, 07:52 AM
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The balance spool is inside the cartridge.
Hmmm. Uour right. I am thinking about the older version. I guess they updated the cartridge.

You can use use the new cart as you have in the older units with the spool from what i read..

Anyway check the scald protector....

Shown here...

http://www.youtube.com/watch?v=l1a40saHVKs

And also the vid in the comments section here.

Robot Check
 
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Old 05-28-14, 08:44 AM
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I did exactly, replaced the cartridge with a brand new one. But no luck still no hot water. I am suspecting a building plumbing problem.
 
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Old 05-28-14, 09:12 AM
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do you have hot water at other areas of the home?
 
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Old 05-28-14, 09:33 AM
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Yes, there is hot water everywhere except this shower. What if the stopper screw is malfunctioning and does not release hot water????
 
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Old 05-28-14, 10:55 AM
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Could be.. I hardly use them as they often leak or cause trouble..

The washer may have come loose... ( If it has one. Was it only 1/4 turn?

Can you turn your units water off completely?

You could take it apart to inspect...BUT!!!!! I urge you to use caution.. If you drop it down the wall youll be up the creek with no water.....

Also you can remove the cartridge then open the stops one at a time to see if you have full flow. Dont let water drip down in the wall. Make a plate/funnel like the guy had in the video..

Last the cartridge can be faulty?
 
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Old 05-29-14, 06:29 AM
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I decided to have a plumber check it out and test to see what is wrong. I think, we might end up replace the whole valve with moentrol posi temp. The water has to be shut off to the apartment unit. It is not fun... Thanks for all your help. I will keep you posted on the progress.
 
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Old 05-29-14, 01:50 PM
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Here is the progress:
-The Building Engineer Shut the Water to the unit.
- The Plumber opened and took apart the Valve Stopper
-There was rocks and debris (sediment) clogging the stopper
-The Rocks and Sediment were taken out and the line was opened
- Hot Water started flowing.
So once again it was water flow problem due to sediments and buildup in the hot water boiler.
Conclusion:
The building suffers from poor plumbing design
 
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