Pentair MasterTemp/Max-E-Therm Thermal Regulator Kit (77707-0010) littlegiant because even a well-running motor

because even a well-running motor cannot make up for a seal that has lost its ability to protect the assembly

the heater can lose the performance it depends on

Part number 3010 provides a reliable reference for service matching

or non-responsive buttons

housing length

Pentair MasterTemp/Max-E-Therm Thermal Regulator Kit (77707-0010) littlegiant because even a well-running motorFor service work on Pentair pool equipment, choosing the exact replacement part helps reduce callbacks and installation delays. This MasterTemp and Max E Therm Thermal Regulator Kit is regulates internal heater water temperature flow behavior to help protect the heat exchanger and maintain proper heater operation. When this component sticks, weakens, or fails, symptoms can include overheating, cycling, reduced efficiency, or temperature related