Moen 62370, Rough-In Valve for Tub and Shower with Stops, Posi-Temp Series

Details

Model: 62370
Manufacturer: Moen
Product Name: Pressure-Balancing Rough-In Valve with Integral Stops (M-PACT® System)
Part Number: 13818
Connection Type: 1/2 inch Copper (CC) Inlet and Outlet
Material: Forged Brass
Mounting Type: Deck or Wall Mount
Description: Pressure-balancing rough-in valve with integral shut-off stops, designed for M-PACT® Common Valve System installations. Engineered for long-term serviceability, consistent water temperature control, and compatibility with a wide range of Moen tub/shower trims.

Product Overview

The Moen 62370 Pressure-Balancing Rough-In Valve with Stops is a professional-grade brass valve assembly built for new construction and renovation applications requiring precise water temperature regulation and durable mechanical performance. Designed within Moen’s M-PACT® Common Valve platform, this model enables trim upgrades or finish changes without disturbing the underlying plumbing connections. The integrated stops provide localized water shut-off for maintenance or service. The 62370 is pressure-balanced to maintain outlet temperature stability despite fluctuations in supply pressure and is fully compatible with Moen’s 1222 cartridge system for reliable field operation and replacement flexibility.

Technical Specifications

• Manufacturer Part Number: 62370
• Alternate Part Number: 13818
• Product Type: Pressure-Balancing Rough-In Valve
• System Compatibility: Moen M-PACT® Common Valve System
• Inlet Connection: 1/2 inch Copper (CC solder connection)
• Outlet Connection: 1/2 inch Copper (CC solder connection)
• Material: Forged Brass Body with Stainless Steel Components
• Mounting Orientation: Deck or wall installation
• Valve Type: Pressure-balanced, non-diverter configuration
• Cartridge Type: 1222 Pressure-Balancing Cartridge (replaceable)
• Integrated Stops: Yes (dual quarter-turn service shut-offs)
• Flow Rate: Dependent on trim and system configuration (typically up to 5.5 gpm @ 45 psi)
• Operating Pressure: 20 to 125 psi (1.4–8.6 bar)
• Operating Temperature: 40°F – 160°F (4°C – 71°C)
• Serviceability: Front-access cartridge replacement without valve body removal
• Back-to-Back Installation: Capable (reversible cartridge orientation)
• Compliance: ASSE 1016, CSA B125.1, NSF/ANSI 61/372 (low-lead compliant)
• Finish: Unfinished brass (concealed rough-in)
• Country of Manufacture: USA

Installation Notes

• Install per Moen’s M-PACT® system installation guide and applicable plumbing code requirements.
• Ensure hot and cold inlets are correctly positioned; verify flow direction using body markings.
• Sweat copper connections using approved soldering techniques; avoid overheating near seals.
• Secure the valve to wall framing to prevent movement during trim installation.
• Verify operation of integral stops prior to system pressurization.
• Pressure test completed system for leaks before enclosing the wall cavity.
• Install trim and cartridge only after wall finish and pressure test completion.

Summary

The Moen 62370 1/2" CC Pressure-Balancing Rough-In Valve with Integral Stops provides a durable, serviceable solution for professional tub and shower installations. Featuring Moen’s M-PACT® Common Valve platform, pressure-balancing performance, and integrated shut-off stops, this valve delivers reliable operation, simplified service access, and long-term compatibility with multiple trim configurations across residential and commercial plumbing systems.