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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.
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On the Jandy CS Series Cartridge Filter diagram
This part
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Other parts on the same Jandy CS Series Cartridge Filter
OEM Jandy Air Relief Valve R0557200 is a genuine replacement part designed for use with Jandy CS Series cartridge filters, including CS100, CS150, CS200, and CS250 models. This valve plays a critical role in maintaining system efficiency by releasing trapped air, which helps stabilize water pressure and promotes proper circulation. Constructed from durable materials for long-term use, this OEM component is easy to install and vital for keeping your filtration system operating at its best and your pool water clean and balanced.
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Critical System Function: Assists in releasing air from the filter housing, helping to maintain stable pressure and efficient water circulation
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Compatible With CS Models: Designed to fit Jandy CS100, CS150, CS200, and CS250 cartridge filter models for dependable performance
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Promotes Flow and Clarity: Prevents air buildup that can disrupt water flow, supporting cleaner, clearer pool water
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Durable OEM Construction: Built from strong, corrosion-resistant materials for dependable service in harsh pool environments
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Fast, Easy Installation: Quick to install and replace, making it an ideal solution for routine maintenance and system reliability
- (1) Jandy R0557200 Air Relief Valve
- Jandy CS Series Filter Models: CS100, CS150, CS200, and CS250





