Hayward Union Kit (FDXLUNK1930A) brominegenerators Replacement pump wet end assembly

Replacement pump wet end assembly

Helps restore responsive pneumatic control

The 7311 is a practical fit when a compatible 3 inch tank-related plumbing system needs a proper shutoff valve built around the real connection requirements of the assembly

This Waterway part is especially practical when the original 48-frame Supreme pump needs a version-correct replacement to avoid mismatched fit or compromised performance

Confirm year range and button layout before ordering

Hayward Union Kit (FDXLUNK1930A) brominegenerators Replacement pump wet end assemblyUnion connections make heater plumbing easier to service by allowing equipment to be disconnected without cutting into the plumbing run. This Hayward union kit is designed for compatible heater installations and provides replacement union components for secure, service friendly plumbing connections. Over time, unions can become difficult to seal due to worn fittings, aged gaskets, or previous service damage. Replacing the union kit helps reduce the