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How to Reverse Hot and Cold for a 1225 Cartridge in Shower

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This article will give you step by step instructions on how to reverse the hot and cold water flow for a 1225 shower cartridge .

​ Preparation:

  • The water supply shut off valves must be turned off- see article  How to Turn Off the Water Supply to the Faucet .
  • The following instructions assume the handle and associated handle pieces have been removed. For additional details, visit solutions.moen.com and select the type you are repairing. The faucet guide will contain specific information on handle assemblies associated with that style of product.

 

rotate stem.png

If the hot and cold are reversed, the stem of the cartridge needs to be adjusted. Rotate the stem of the cartridge 180 degrees (1/2 turn), it is not necessary to remove the cartridge.

If the hot supply is on the left and the cold supply is on the right, the notch on the cartridge needs to face the 6:00 position.

notch facing down.png

If the hot supply is on the right and the cold supply is on the left, the notch on the cartridge needs to face the 12:00 position.

notch facing up.png

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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