Pentair Max-E-Therm Control Panel Cover Retainer Cap (77707-0009) deltauv and service manual guidance before

and service manual guidance before installation

Matching the correct pre-12/2013 application helps preserve fit and original control compatibility

Useful during fixture service and reassembly work

It is a practical choice when tank-lid sealing is part of completing a more thorough and dependable service job

Pentair Max-E-Therm Control Panel Cover Retainer Cap (77707-0009) deltauv and service manual guidance beforeSecure 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