New cartridge in but shower head still leaks.

[Wantthatfixed]

Just installed a new Moen shower cartridge. The shower head still leaks. What is causing this?

 

[Deleted member 120897]

Does the cartridge form part of the on/off?

 

[Panaplex]

Does the cartridge form part of the on/off?

The cartridge can be turned cw and ccw (cold to hot) with the single lever shower handle. When the handle is in the centre position it should shut-off the water. Not sure if that answers your question.

 

[Deleted member 120897]

Sounds like it is part of the on/off then, so it could be a worn seating or debris on the seating.

 

[Panaplex]

Does the cartridge form part of the on/off?

The cartridge sits inside the valve body. Hot water is supplied to a port on one side of the cartridge and cold water is supplied to a port on the the other side. The shower handle is rotated with the single lever shower handle to turn the cartridge from the "off" position through to the cold and hot positions. So, the cartridge is used to completely shut the water off as well as control the water temperature.