Carvin 1-1/2" FBT x 1-1/2" S Black Pump Union [Qty 2] (31175608R2-BLK) ussealmfg while the massage action makes

while the massage action makes it a practical replacement when the original insert was intended to provide a more active user experience than a fixed outlet

or no longer moving or sealing correctly

Model-specific pump components are important to match carefully

Helps restore proper water movement

Carvin 1-1/2" FBT x 1-1/2" S Black Pump Union [Qty 2] (31175608R2-BLK) ussealmfg while the massage action makesThe Carvin pump union set is designed for compatible 1 1 2 inch plumbing applications where a serviceable connection is needed at the pump. A union like this is useful because it helps create a removable plumbing joint, making future maintenance or equipment removal easier without sacrificing a secure installed fit. This black two piece set is especially useful when the original unions are cracked, leaking, worn, or no longer threading together