Pentair | 77707-0010 | Thermal Regulator Kit – Replacement for MasterTemp & Sta-Rite Max-E-Therm Pool Heaters

The Pentair 77707-0010 Thermal Regulator Kit is a genuine OEM replacement component designed for Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. This regulator maintains optimal operating temperature within the heat exchanger, ensuring efficient heating performance, extended equipment life, and consistent water temperature control.

Key Features

• Genuine Pentair thermal regulator kit (Model 77707-0010)

• Designed for MasterTemp® and Sta-Rite Max-E-Therm® pool and spa heaters

• Regulates water temperature within the heat exchanger for efficiency

• Prevents overheating and ensures balanced heat distribution

• Factory-calibrated to maintain correct flow and temperature range

• Includes complete regulator assembly and required installation components

• Built from corrosion- and chemical-resistant materials for long-term reliability

• Simple installation and maintenance for pool professionals and technicians

• OEM-certified part ensures compatibility, safety, and performance

• Helps improve energy efficiency and extend heater lifespan

Product Overview
The Pentair 77707-0010 Thermal Regulator Kit plays a critical role in maintaining the proper operating temperature of MasterTemp and Max-E-Therm heaters. By automatically adjusting water flow through the heat exchanger, it ensures consistent heat transfer and protects internal components from overheating or thermal stress.

Constructed from high-quality, corrosion-resistant materials, this regulator delivers reliable operation in demanding pool environments. As a genuine Pentair replacement part, it provides exact fit, factory-calibrated performance, and dependable temperature control. Ideal for routine maintenance or heater repair, the 77707-0010 Thermal Regulator Kit restores safe, efficient, and stable heating performance for both residential and commercial pool systems.