Pentair Max-E-Therm PCB Enclosure, Nat/LP w/Topside (77707-0013) aquasol A 6-in-1 reader is useful

A 6-in-1 reader is useful because it lets you gather several key measurements from one handheld tool instead of relying on multiple separate test methods

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

Use the listed part number (351157) as the primary compatibility reference

Hydro-Quip 100 foot BWG topside extension cable

Pentair Max-E-Therm PCB Enclosure, Nat/LP w/Topside (77707-0013) aquasol A 6-in-1 reader is usefulProtect 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