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 S8M150 | 450 sq ft | 170147
Fits these models
Pickup, delivery and shipping times are estimates, not guarantees.
Couldn't load pickup availability
● 1 in stock30-day returns Secure checkout
Have a question about this part?
Ask about fit, specs or shipping and get an instant answer.
Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
This Pentair 170147 package includes Inner and Outer Cartridge Filter Elements for System 3 S8M150 Filters. The Inner Cartridge has 119 square feet of media area, while the Outer Cartridge has 259 square feet. Constructed with premium reinforced polyester pleated material and polyurethane end caps, these reusable cartridges ensure exceptional water clarity and extended filter cycles.
- Comprehensive Filtration Package: The Pentair 170147 provides both inner and outer cartridge filter elements, offering a complete solution for the System 3 S8M150 filters with extensive media area coverage.
- High Surface Area: With 119 square feet in the inner cartridge and 259 square feet for the outer, this set is designed for maximum dirt and debris capture, promoting crystal-clear water.
- Premium Material Construction: Constructed from reinforced polyester pleated material with robust polyurethane end caps, these cartridges deliver reliability and are built for repeated use.
- Optimized Water Clarity: The thoughtful design of these cartridges ensures superior clarity in your pool water, while the extended filter cycles reduce maintenance demands.
This 170147 Kit includes two cartridges.
- (1) Large Outer Cartridge: 25022-0203S
- (1) Small Inner Cartridge: 25021-0202S
- Compatible with the Pentair Sta-Rite System 3 Modular Media S8M150