Pentair PacFab TR50 Lower Pipe Assembly (156816) controlsystemparts The CMP spring check valve

The CMP spring check valve is designed for compatible air-line applications where a 2 inch spigot by 1-1/2 inch slip one-way valve is needed

Practical repair part for suction-side cleaner maintenance

and feature support

this component is built to withstand moisture

Pentair PacFab TR50 Lower Pipe Assembly (156816) controlsystemparts The CMP spring check valveThis service part is made for lower pipe assembly for TR50 sand filter internal circulation and media support, giving technicians a cleaner way to complete a precise equipment repair. It supports sand filter service where internal routing, media containment, and correct reassembly are important. A proper fit helps avoid makeshift repairs that can create leaks, poor flow, or stress on nearby components. Confirm internal orientation before adding media