Paramount Pump Mount Check Valve w/ Tubing (005-402-3361-00) dowcorning a 2-3/8 inch hole size

a 2-3/8 inch hole size

and this Magic Plastics UniBody version features a 1-1/2 inch spigot by 1-1/2 inch spigot configuration with a 100 psi rating using the 0402-15 reference

or no longer moving confidently between supported settings

When a barrel wears out

The threaded format helps this Waterway internal remain version-correct for the assemblies that require it

Paramount Pump Mount Check Valve w/ Tubing (005-402-3361-00) dowcorning a 2-3/8 inch hole sizeA pump mount check valve helps maintain one way flow in a compatible equipment setup, and this Paramount version includes tubing and uses the 005 402 3361 00 reference. Pump mounted check valves are useful because they help protect directional flow right at a key equipment point rather than farther down the line. This part has practical value because the included tubing makes it a more complete replacement option for restoring the intended assembly. A