How to remove old cartridge of a delta single knob shower faucet

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: Water is not very hot.

First try adjusting the pressure balancing gear located right behind the handle. If you still do not have hot water I suggest to replace the cartridge.

SOURCE: Single-handle Glacier Bay shower faucet, hot/cold reversed

Hello. It sounds like your plumbing was installed wrong, with the hot and the cold supply lines reversed. If that is the case, those supply lines will have to be replumbed to make your faucet work properly. Often, if those lines are accessable, it is only a 20 minute job. Joe

SOURCE: Need to fix a leaking delta shower faucet and need

find the set screw on the handle loosen and remove handle, remove locking ring (a tool to do this comes with the replacement kit that you can buy from hardware store) remove the ball. You now have access to the washers and springs remove old washers and springs install new. reassemble in reverse. make sure not to overtighten locking ring.

SOURCE: Single-handle Glacier Bay shower faucet, hot/cold reversed

Behind the handle check to see if it has a dail to take out and replace at a different postion this will change the hot and cold. It a anti scald protection device. Don't remove cartridge just adjust dail.

Mark where you start and take out and move a 1/8-1/4 turn at a time and replace til temp desired. It has teeth like a gear you move to adjust temp.