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.
The Pentair Threaded Cap R172008W is a 3-inch replacement cap specifically designed for Pentair’s automatic chemical feeders. Engineered for a secure fit, this threaded cap helps prevent leaks and supports efficient chemical flow. Made from durable materials, it is crafted to endure frequent use in pool and spa environments. Installation is quick and simple, allowing for continued reliable operation of the chemical feeder system to keep water clean and properly balanced.
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3-Inch Threaded Cap: Compatible with Pentair automatic chemical feeders.
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Leak Prevention & Secure Fit: Keeps chemical levels consistent and controlled.
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Rugged, Long-Lasting Build: Withstands the rigors of pool and spa maintenance.
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Maintains Feeder Performance: Helps deliver steady and balanced water treatment.
- Pentair Rainbow Automatic Chlorinators Models: 300, 302, 300-19, 300-29
- Pentair Rainbow Automatic Chlorinators Model: 300-29X
- Pentair Rainbow Automatic Chlorinators Model: 320 - R171096
- Pentair Rainbow Automatic Chlorinators Model: 322
