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How to Reverse Hot and Cold for a 1222 Cartridge

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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 PosiTemp 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.
  • Recommended Tools: Large Pliers or Channel Locks
  • 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.
  • We recommend covering the drain before beginning so to not loose any parts down the drain.

     

If the hot and cold are reversed, the supply lines are reversed or the cartridge is installed upside down, remove and rotate the 1222 cartridge 180 degrees. To install the 1222 cartridge, see 1222 Cartridge: Single Handle Shower- PosiTemp.

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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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