Pentair Max-E-Therm Control Panel Cover Retainer Cap (77707-0009) tees The 25577-231-900 is a practical

The 25577-231-900 is a practical solution when a compatible installation needs a waterfall unit to restore dependable visual and water-flow performance

Supports more complete chlorinator restoration

or no longer switching cleanly between functions

The Mer-Made O-ring is designed for compatible C10X strainer applications where a dependable seal is needed between connected parts

which can simplify future removal or replacement

Pentair Max-E-Therm Control Panel Cover Retainer Cap (77707-0009) tees The 25577-231-900 is a practicalSecure the control panel cover on compatible Max E Therm heaters with this retainer cap. Small hardware pieces like this can make a noticeable difference when the cover no longer stays aligned or seated, especially on outdoor heaters exposed to sun, moisture, and regular handling. This replacement is useful during panel service, cosmetic repairs, or heater restoration work where the cover hardware is incomplete. Replacing the correct cap can help