I had this same problem with a one-handle american standard tub faucet. Replaced the cartridge twice-still leaked. Turned out to be the "pressure balancing unit" which is in the valve body behind the cartridge. It's held in by three screws that you can see when you take off the cartridge and...
It looks like you're using an ad blocker. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. If you'd like to support the site, please allow ads.
If any particular ad is your REASON for blocking ads, please let us know. We might be able to do something about it. Thanks.
