Pentair/Sta-Rite Max-E-Therm/MasterTemp Igniter Gasket (42001-0066S) skimmers or no longer switching cleanly

or no longer switching cleanly between modes

The Waterway 3722021-1D Executive pump is designed for compatible applications and features a 5

That helps restore manual plumbing control with a direct-fit replacement

Installed in the proper electrical setup

This type of part is especially useful during cleaner service when impact protection and movement behavior both need attention

Pentair/Sta-Rite Max-E-Therm/MasterTemp Igniter Gasket (42001-0066S) skimmers or no longer switching cleanlyThe Pentair Sta Rite 42001 0066S igniter gasket is designed for compatible Max E Therm and MasterTemp heater applications where the igniter sealing point needs replacement. A gasket like this is useful because it helps support the seal around the igniter area, which can matter during heater maintenance and reassembly. Replacement is often appropriate when the original gasket is brittle, damaged, compressed, or no longer suitable for reuse after