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 Pentair 475615 Heat Exchanger and Chimney Gaskets Kit is an OEM replacement designed for ETI 400 High-Efficiency Pool Heaters. This kit provides the gaskets needed to properly seal both the heat exchanger and the chimney, ensuring safe operation and maintaining peak heater efficiency. By preventing leaks and preserving system integrity, these gaskets support consistent combustion and reliable performance. Constructed from durable, heat-resistant materials, the OEM gaskets are engineered to withstand high operating temperatures and long-term use. Replacing these components as part of regular maintenance is critical for keeping your Pentair ETI 400 heater performing safely and efficiently.
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OEM Gasket Kit: Pentair 475615 kit includes heat exchanger and chimney gaskets for ETI 400 heaters, ensuring exact compatibility and reliable sealing.
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Maintains System Efficiency: Provides a secure seal that helps prevent air and gas leaks, keeping the heater operating at optimal efficiency.
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Durable OEM Materials: Manufactured with high-quality, heat-resistant materials to handle the rigors of continuous pool heater operation.
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Supports Safe Operation: Proper sealing prevents hazardous leaks, ensuring safe combustion and protecting both equipment and users.
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Critical Maintenance Part: Regular gasket replacement is essential for prolonging heater lifespan and preventing performance loss.
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Preserves Heater Reliability: Helps maintain consistent performance by preventing pressure and heat loss within the system.
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Designed to Pentair Standards: Built to original Pentair OEM specifications, offering trusted quality and long-lasting durability.
- Pentair ETI 400 Heaters





