Moen 1222, Posi-Temp Pressure Balanced Shower Cartridge, Brass

Moen 1222 Replacement Cartridge – Posi-Temp Pressure-Balancing, One-Handle Tub/Shower Valves

The Moen 1222 is a direct replacement pressure-balancing cartridge designed for use with Posi-Temp one-handle tub and shower valves. This cartridge regulates water pressure to maintain consistent output temperature, even with fluctuations in supply lines, making it essential for temperature control and user safety.

Product Features

• Pressure-Balancing Mechanism: Maintains consistent water temperature during pressure changes in hot or cold supply lines
• Replacement Type: Suited for Moen Posi-Temp rough-in valve systems, including models like the T2449
• Material Construction: Built with brass and engineered polymer components to resist corrosion and wear
• Handle Compatibility: Designed for single-handle tub/shower configurations
• Valve Operation: Controls both volume and temperature with a single rotational motion

Technical Specifications

• Model: 1222
• Valve Type: Pressure-balancing cartridge for Posi-Temp systems
• Installation Method: Cartridge inserts directly into Moen Posi-Temp valves (tool required)
• Service Applications: Residential and light commercial
• Warranty: Limited Lifetime (Moen manufacturer coverage)

Installation Guidelines

This cartridge is intended for repair and maintenance of Moen Posi-Temp valves. Installation requires shut-off of the water supply and removal of the existing cartridge. Basic tools such as pliers or a cartridge puller may be necessary, especially for older or corroded units. Use of plumber’s grease on O-rings is recommended during installation. Always verify valve compatibility before replacement.

Usage Notes for Contractors

The Moen 1222 cartridge is engineered for use in pressure-balanced installations where temperature consistency is critical. Suitable for code-compliant residential installations, it provides reliable control over mixed water delivery and minimizes callbacks associated with scalding or thermal shock in shared line systems.

This OEM replacement is essential for restoring proper function in Posi-Temp valves and is widely used in both retrofit and service work on existing Moen installations.