Pentair Max-E-Therm Control Panel Cover Retainer Cap (77707-0009) deltauv It is a practical choice

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

supporting more dependable startup behavior in the heater

Replacing the affected jet helps refresh the spa experience without replacing the entire plumbing assembly when the body and connection style are still serviceable

Useful during fixture service and reassembly work

Pentair Max-E-Therm Control Panel Cover Retainer Cap (77707-0009) deltauv It is a practical choiceSecure 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