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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 Waterway Crystal Water DE Filter 570-0036-07 diagram
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Other parts on the same Waterway Crystal Water DE Filter 570-0036-07
The Waterway Air Relief Assembly, model 550-4320, is designed specifically for Crystal Water DE Filters. This essential component effectively releases trapped air from your DE filter, ensuring optimal filtration performance and system efficiency. Constructed from durable, high-quality materials, the air relief assembly is built to withstand the demands of regular pool maintenance. By preventing air buildup, it helps maintain proper water flow and filtration, contributing to the overall cleanliness and clarity of your pool water.
- Designed for Crystal Water DE Filters: Specifically crafted for use with Crystal Water DE Filters, ensuring a perfect fit and reliable performance.
- Effective Air Release: This essential component effectively releases trapped air from your DE filter, maintaining optimal filtration performance and system efficiency.
- High-Quality Construction: Made from durable, high-quality materials, the assembly is built to withstand the demands of regular pool maintenance, offering long-lasting reliability.
- Prevents Air Buildup: By preventing air buildup, it helps maintain proper water flow and filtration, contributing to the overall cleanliness and clarity of your pool water.
- Enhanced Pool Maintenance: Ensures smoother operation of your filtration system, leading to enhanced pool maintenance and water quality.
- Waterway Crystal Water DE Filters

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