Pressure Balancing Shower and Tub Valve - Moen Posi-Temp Compatible

Overview

Meet a practical pressure balancing shower and tub valve designed to work with Moen Posi-Temp trim kits. Built with solid brass for lasting durability in damp bathroom environments, this valve kit includes a replaceable cartridge and essential mounting parts to simplify retrofits or new installations. The included components fit standard 1/2 inch IPS connections, making planning and installation straightforward. Clear packaging and instructions support a confident setup, whether you’re upgrading an older valve or installing a new shower-tub system.

Key features help keep your shower experience consistent and comfortable from the first turn of the handle. The internal pressure balancing mechanism responds to shifts in water flow to minimize temperature swings, while the Scald Guard setting helps limit the maximum hot water temperature to protect hands and skin during busy mornings. The design emphasizes reliability, so you can focus on daily routines without frequent valve adjustments. When paired with Moen Posi-Temp trim, this valve offers a cohesive, predictable performance profile.

Flexibility and compatibility are built in. The valve can connect to other types of connections with adapters, expanding retrofit options across a variety of plumbing layouts. It provides temperature control as the primary adjustment, with volume control not available, which some users prefer for a streamlined setup. Before mounting, ensure the valve is centered on the tub drain for best results, and note that the tub drop outlet should be 1/2 inch copper tubing to maintain proper flow. If you do not plan to use the tub drop, you can cap the line with a 1/2 inch copper tube.

Notable benefits

• Brass construction delivers long-term durability in humid bathroom environments.
• Includes a cartridge and is ready to work with Moen Posi-Temp trim.
• Pressure balancing maintains water temperature within about 3 degrees, reducing unexpected swings.
• Scald Guard limits maximum hot water to prevent accidental scalding.
• Adapters enable connections to multiple plumbing configurations for flexible retrofits.

What’s in the box

• Rough-in valve with mounting hardware
• Cartridge for Moen Posi-Temp compatibility
• Retainer clip and plaster ground
• Installation instructions and mounting screws

Installation notes

• Center the valve on the tub drain before mounting to ensure alignment.
• For proper function, the tub drop outlet should be 1/2 inch copper tubing.
• If not using the tub drop outlet, simply cap with a 1/2 inch copper tubing.
• Temperature control is included; volume control is not part of this valve.