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Moen Solutions

Shower Faucet: Leaking Issues- 1/2" Exact Temp Valve


This article is designed to troubleshoot leaking issues with the 3301 and 3321 1/2" Exact Temp valve. The valve was introduced in 2000 and retired in 2006.
Symptom Solution

Continuous Leaking: The shower system continues running or dripping with the handle in the off position.

Replace the 1248 flow cartridge, see article 1248 Cartridge: 1/2" Exact Temp Valve

Water is leaking from around one of the handles.

Replace the cartridge for the handle that is leaking:

For additional information on Moen products visit and select the type of product you are repairing. The guide will contain repair details, troubleshooting and specific information on assembling handles associated with that style of product.

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