Pentair Light Junction Box [3x 3/4"] Brass Base (78310600) multiplemfg A bulkhead assembly is useful

A bulkhead assembly is useful because it creates a secure interface through a tank or housing wall while supporting proper fit and sealing at one of the assembly’s most important connection points

and PA90 references

A standpipe assembly is useful because it helps create the central internal pathway the filter relies on for proper flow and structural organization

Fits compatible Universal H350FD heater applications

Two replacement union nuts for compatible H-Series heaters

Pentair Light Junction Box [3x 3/4"] Brass Base (78310600) multiplemfg A bulkhead assembly is usefulA focused repair part can be the difference between replacing one worn component and replacing an entire assembly. This item is a brass base light junction box with three 3 4 inch entries for compatible lighting installations. Use it when the original part is worn, damaged, missing, or no longer helping the system perform as intended. This lighting service part supports compatible pool or spa light assemblies where secure mounting, sealing, wiring