Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
The Thermal Regulator, complete with a convenient spring clip, offers a versatile and effective solution for pool and spa heater maintenance. This replacement part is specifically designed to fit Pentair Sta-Rite Max-E-Therm pool and spa heaters, ensuring compatibility and seamless integration. Additionally, it is also suitable for use with Pentair MasterTemp pool and spa heaters, providing a versatile option for various heater models. By incorporating this thermal regulator, you can effectively manage and maintain the temperature output of your pool or spa heater, ensuring optimal performance and longevity.
- Versatile Solution: Complete with a convenient spring clip, this thermal regulator offers an effective and versatile solution for pool and spa heater maintenance.
- Perfect Compatibility: Specifically designed to fit Pentair Sta-Rite Max-E-Therm pool and spa heaters, ensuring seamless integration and reliable performance.
- Broad Usability: Also suitable for use with Pentair MasterTemp pool and spa heaters, providing flexibility for various heater models.
- Temperature Management: Effectively manages and maintains the temperature output of your pool or spa heater, ensuring consistent and optimal performance.
- Enhanced Longevity: By incorporating this thermal regulator, you help extend the lifespan of your heater, maintaining its efficiency and reliability over time.
- (1) Thermal Regulator
- (1) Spring Clip
- Compatible with most Pentair MasterTemp and Max-E-Therm heaters, please refer to your systems owners manual to ensure compatibility.

