Moen 1224B, Two-Handle Replacement, Hot or Cold

Moen 1224B Two-Handle Faucet Cartridge – Replacement for Monticello and Other Moen Fixtures

The Moen 1224B is a replacement cartridge designed for use in two-handle Moen faucets, including models such as the Monticello T4570 series. This non-temperature-controlled cartridge is suitable for both hot and cold sides and restores faucet operation by addressing leaks or restricted movement due to wear.

Engineered for compatibility with Moen’s widespread lavatory and kitchen faucet configurations, the 1224B features a brass stem with durable polymer components. Its precision-fit design ensures a secure seal within the valve body, supporting long-term performance in both residential and commercial settings.

Product Features

• Application: Non-thermostatic cartridge for two-handle Moen faucets
• Side Use: Hot or Cold – interchangeable installation
• Compatibility: Fits Moen Monticello T4570 and other 2-handle Moen models requiring 1224 series
• Construction: Brass stem with engineered polymer housing and seals
• Function: Restores full flow and shut-off performance to aging or leaking fixtures

Technical Specifications

• Model: 1224B
• Length: Approximately 2.75 inches
• Includes: Cartridge only – does not include retaining hardware or decorative components
• Orientation: Non-directional – use in either hot or cold valve body
• Finish: Blue color code indicates cold side use (interchangeable with red)

Installation Notes

Cartridge replacement requires removal of the handle and bonnet nut to access the valve body. Ensure the water supply is shut off prior to disassembly. Use of silicone-based lubricant is recommended for O-ring preservation during installation. Reinstall all components securely to maintain watertight operation. Always verify compatibility with the specific faucet model before installation.

Common Applications

• Repair or maintenance of Moen 2-handle bathroom and kitchen faucets
• Restoration of flow rate and shut-off control in worn valve assemblies
• Routine replacement as part of fixture service intervals