Pfister PRIJX8310A Tub Shower Rough-in Valve

Product Description

The PFISTER PRIJX8310A is a pressure-balancing rough-in valve designed for tub and shower applications. Part of the 0X8 Series, this valve features a brass stem construction that accommodates shallow-depth wall installations, making it suitable for retrofit and new-construction scenarios. The high-precision spool balancing unit maintains consistent water delivery, with the ability to regulate shower head pressure balance down to flow rates as low as 0.5 gallons per minute. Licensed plumbers install this valve during the rough-in phase before wall finishing, trim, and handle selection. The unfinished design allows selection of compatible trim separately.

The PRIJX8310A is intended for residential tub and shower installations where a pressure-balancing valve is required. Its shallow-wall-depth compatibility makes it a practical choice in remodel applications where wall cavity depth is limited. The low minimum flow rate capability supports installations with water-efficient shower heads without sacrificing pressure balance performance.

Key Features

• Pressure-balancing spool unit maintains consistent shower temperature and flow
• Brass stem construction supports shallow-depth wall installations
• Minimum flow rate as low as 0.5 gallons per minute for compatibility with low-flow fixtures
• Rough-in only valve — sold without trim, allowing separate finish selection
• Part of the 0X8 Series for use with compatible 0X8 trim kits

Compatibility

Designed as an OEM-style rough-in pressure-balancing valve for use with PFISTER 0X8 Series tub and shower trim components.

Installation Notes

Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes, including IPC guidelines for pressure-balancing valves in tub and shower applications. Shut off the water supply and relieve line pressure before beginning installation. This is a rough-in valve and must be installed before wall finishing; coordinate with the finishing trade to ensure proper depth and alignment for trim installation. Do not overtighten supply connections or stress the valve body during soldering or threading.

Technical Specifications

• Series: 0X8
• Valve Type: Pressure-Balancing Rough-In Valve
• Application: Tub and Shower
• Stem Material: Brass
• Minimum Flow Rate: 0.5 gallons per minute
• Finish: Unfinished (trim sold separately)

Standard Information

• Brand: PFISTER
• Manufacturer Part Number: PRIJX8310A