AquaPro AL75 Pump Union Suction 1-1/2" (10065-ACC) hammerhead The 2 psi setting and

The 2 psi setting and SPNO configuration give this part practical value because heater pressure switches work best when the replacement matches the original triggering characteristics rather than serving as a generic substitute

Intermatic RC939 3-channel transmitter

Tank body O-ring with 18-7/8 inch ID and 5/16 inch cross-section

This Balboa BP100UX circuit board is designed for compatible systems where restoring that original control layer is the right way to bring the pack back into dependable operation

and this Pool Tool Inc

AquaPro AL75 Pump Union Suction 1-1/2" (10065-ACC) hammerhead The 2 psi setting andThe AquaPro AL75 suction side pump union is designed for compatible plumbing applications where a serviceable 1 1 2 inch connection is needed at the pump inlet. A union like this is useful because it helps create a removable joint that simplifies maintenance while still supporting a secure and dependable connection during operation. This replacement is especially useful when the original union is cracked, leaking, cross threaded, or no longer fitting