I replaced the hot and cold valve stems on a shower installed in the early 60s.
I bought Danco 11k-3h/c replacement stems after matching old with new at the hardware store. They went in fine, but the valves fail to seat either off or on and and water runs continously.
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when installing a new cartridge you need to put stem grease on the o-rings or you are taking a great risk of cutting the o-rings upon installation. doing this will allow the cold water to mix with the hot causing this problem it is quite common for this to happen without the grease
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 email@example.com
It sounds like your talking about the valves under the the lav faucet like from the pic that is showen in your post. But you used the word "SHOWER HOT AND COLD" So I am going with the idea that you are talking about a shower valve.
If your talking about the screw driver stops to each side if it is leaking from the around the center of the screw stop. You may just need to tighten the nut on the outside that the stem goes though.Or you can take the nut off (tirn off the water to the building) and get some rope packing and run a couple of rapps around the stem replace the nut and tighen and turn the water back on.
If it still leaks some to the samething over again just put more packing in. Should cost you about 5 dollars
If it is hard to pull out or push in the valve then you will need to replace it. On moen valves you can not rebuild the cartridge you can only replace them. A new cartridge will cost you around 15 to 20 dollars.
Also I would tack the cartridge with you when you gao and buy it because they make 2 different ones.
Good Luck and please rate 4 thumbs up for the free answer
I am not sure what brand of shower valve you have but it sounds like you lost a peice of rubber or plastic in the valve and it has either lodged in the diverter or somwhere from the valve to the shower head. Is it posible that you got the wrong stem or switched stems or maybe it was put in backwards. Wish i could narrow it down for you,Need better info.
Turn off the water, remove the handle, escuchion, and stem.
Replace all washers/O-rings. If it is a plastic stem, replace the stem.
The seals are worn, allowing water to pass by.
On some really old valves, the actual metal walls of the valve eventually get worn, and washer replacement does not completely solve the problem, or last long. In that event, replacing the valve is about the only option.
Replacing the cartridge should solve the problem, the balancing spool is stuck, replacing it will solve the problem. The valve should look like this http://www.moen.ca/shared/pdf/3170pt.pdf . I have unstuck the spools in the past, soaking it in white vinegar will help to remove build up.
The valve has a faceplate that attaches with two screws and depicts the hot and cold mixing scheme on it. in the center of this is where the valve stem is located. It has a chrome escutcheon that slides into the faceplate and over the stem.There is a small -U- schaped clip that slides into the top of the valve body where the valve stem is seated that retains the valve stem. With all this in place all you have left is the acylic handle that has a unique shape to it on the internal portion that corresponds to the shape and position of the valve stm. Align the handle and stem and push the handle on. A small screw goes into the center of the handle to attach it to the valve stem. LASTLY you should have the acrylic button that covers the screw holding the handle on. All you do is align it appropriately and push the button onto the handle. The chrome handle version is essentially the same but is retained by a small allen screw on the underside of the base of the handle. I hope this assists you and thanks for using Fix Ya. Please let me know if I can be of further assistance.