Pfister JX8-310P PEX-Ready Tub & Shower Rough-In Valve
Brand: Pfister | SKU: JX8-310P
Product Overview
The Pfister JX8-310P is a concealed rough-in valve for compatible Pfister tub and shower trim. PEX-ready inlets help streamline supply connections in supported plumbing systems, while universal male-threaded outlets provide connections for the tub and shower piping. Because the valve is installed behind the finished wall, matching it to the intended trim and planning the rough-in depth are important before the wall is closed.
Key Features
- PEX-ready tub and shower rough-in valve
- PEX inlets
- Universal male-threaded outlets
- Pforever Seal ceramic disc valve technology
- Listed flow rate of 5.5 GPM at 60 PSI
Technical Specifications
- Flow rate: 5.5 GPM at 60 PSI
- Inlets: PEX
- Outlets: Universal male threaded
Compatibility & Installation Notes
Confirm compatibility with the selected Pfister trim before rough-in. Follow current Pfister depth, piping and pressure-testing instructions, applicable plumbing code and the requirements of the PEX connection system being used.
Frequently Asked Questions
Is this the finished shower trim?
No. JX8-310P is the concealed rough-in valve used behind compatible trim.
What type of supply connection does it use?
It is listed with PEX-ready inlets.
Why Buy From Big Frog Supply?
JX8-310P provides the behind-the-wall Pfister valve foundation for compatible PEX-fed tub and shower installations.






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