Pentair MasterTemp Service Side Panel (42002-0039Z) pleatco Using the correct OEM cartridge

Using the correct OEM cartridge helps maintain the intended fit inside the filter housing and supports proper water flow through the media

Review the cleaner manual for the proper weight location after installation

and safer heater operation

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

The Pentair 521142Z push-thru circuit breaker is designed for compatible electrical applications requiring a 12 amp

Pentair MasterTemp Service Side Panel (42002-0039Z) pleatco Using the correct OEM cartridgeKeep the repair centered on the right component with this MasterTemp Service Side Panel. It is helps restore the exterior or internal enclosure area on compatible MasterTemp and Max E Therm heaters. These parts protect surrounding components, direct heat or airflow where intended, and help return the heater to a cleaner, properly assembled condition after repair. Always compare the existing part, equipment label, installation date notes, and part