Pentair Max-E-Therm PCB Enclosure, Nat/LP w/Topside (77707-0013) aquasol Supports proper heater appearance and

Supports proper heater appearance and service condition

Supports cleaner movement

Part number ST138 helps simplify replacement matching

The Hayward flange O-ring is designed for compatible equipment applications where the flange connection needs dependable sealing

Replacement internal for compatible CMP Poly Jet assemblies

Pentair Max-E-Therm PCB Enclosure, Nat/LP w/Topside (77707-0013) aquasol Supports proper heater appearance andProtect the control electronics on select Max E Therm heater configurations with this PCB enclosure for natural gas or LP systems with topside control. The enclosure helps house the control board and related components so they remain positioned and shielded within the heater assembly. This part is useful when the original enclosure has been damaged by age, heat, service work, or exposure. Restoring the enclosure can help improve component organization