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.
Pentair Inner and Outer Cartridge For Sta-Rite System 3 S7M120 | 300 sq ft | 170145
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Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
Pentair Sta-rite OEM Cartridges 170145
Comprehensive Filtration - Includes one inner (100 sq ft) and one outer (200 sq ft) cartridge, offering a total of 300 sq ft of filtration.
Compatibility - Designed specifically for the Pentair System:3 S7M120 pool filter system.
Premium Construction - Built with durable materials and 4oz media for effective particle trapping and longevity.
Dimensions - Outer cartridge measures 16-1/2" in diameter and 18-1/2" in length; Inner cartridge is 8-9/16" in diameter and 25-1/4" in length.
Easy Maintenance - Open castle top and bottom styles for straightforward removal and replacement.
Enhanced Water Clarity - Ensures clear, clean pool water by effectively capturing debris and impurities.
This 170145 Kit includes two cartridges.
- (1) Large Outer Cartridge: 25022-0201S
- (1) Small Inner Cartridge: 25021-0200S