Hi. We have a Danze "UPC" single-handle shower faucet. Our shower head is dripping, and when I removed the faucet cover plate, and screwed in (what I assume are) the cutoff values on the left and right of the faucet, the dripping stops. This means, I think?, that the faucet itself is causing the leak. I removed all the faucet hardware I could, and now I'm looking at a cylinder with notched gears at the end. I can't unscrew the cylinder, at least not by hand, and I'm not even sure if I should, but I assume that I would need to in order to fix the problem. My questions are: Should I use a wrench to loosen and remove that cylinder? Is this a washerless faucet and, if so, what part(s) would I need to replace to fix the drip? Any help is appreciated!! Thanks!

SOURCE: leaking faucet

Hi johnparker,

The dripping is caused by the ceramic cartridge leaking. It is a non servicable part.

Couldn't find the model number listed but here is a Talia schematic.

http://www.grohecatalog.com/product/25596/

The replacement cartridges are list as 4 and 5 in for hot and one for cold. Also consider replacing part #7 it is a seat.

Good Luck and please rate this response, Phil

SOURCE: price pfister single handle shower faucet

home depot has all the parts for price fister

SOURCE: replace delta single handle shower cylinder

Yes, I believe this unit uses a cartridge right? They do fit a little tight due to the small washers on the back side of the cartridge. If this is the one I'm thinking of, there are two leg like appendenges that come off the back and fit into small holes at the back of the manifold or what some call mixing valve housing.

SOURCE: allen head wrench size

try 1/8

SOURCE: dissassemble danze washerless shower valve

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