Shower Handle: PosiTemp Shower- Knob
Moen produces a variety of single handle shower trims. The interior components and assembly are not the same for each model. This article will explain one of the more common handle assemblies referred to as a Knob. This is for a Positemp Valve System, and it utilizes a 1222 cartridge.
- The water supply shut off valves must be turned off- see article How to Turn Off the Water Supply to the Faucet.
- Recommended Tools: Flathead Screwdriver, Phillips Screwdriver
To replace the cartridge, see article 1222 Cartridge: Single Handle Shower- PosiTemp.
Note: If after testing you notice the hot and cold are reversed, see article How to Reverse Hot and Cold for a 1222 Cartridge.
For additional information on Moen products visit solutions.moen.com and select the type of faucet you are repairing. The faucet guide will contain repair details, troubleshooting and specific information on assembling handles associated with that style of product.
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