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.
Other parts on the same Pentair ETi 400 Heater
The OEM Pentair Cordierite Combustion Chamber Kit, model 42001-0056S, is designed specifically for MasterTemp and Max-E-Therm Heaters, ensuring optimal combustion efficiency and performance. This high-quality combustion chamber kit is constructed from durable cordierite material, which is known for its excellent thermal stability and heat resistance. It provides a critical role in maintaining the proper operation and safety of your heater by facilitating efficient fuel combustion. Easy to install, this kit is essential for restoring and maintaining the functionality of your Pentair heating system.
- Optimal Combustion Efficiency: Specifically designed for MasterTemp and Max-E-Therm Heaters, ensuring top-notch combustion performance and efficiency.
- Durable Construction: Made from high-quality cordierite material, renowned for its excellent thermal stability and heat resistance.
- Critical Safety Role: Plays a vital role in maintaining the proper operation and safety of your heater by facilitating efficient fuel combustion.
- Easy Installation: Engineered for straightforward installation, making it simple to restore and maintain your heating system’s functionality.
- Essential Maintenance Component: Key to ensuring your Pentair heating system continues to function effectively and safely over time.
- (1) Terminal Board
- (2) Bolts
- Pentair MasterTemp Heaters
- Pentair ETI 400 Heaters
- Pentair Max-E-Therm Heaters





