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.
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Rola-Chem Pro Series 300 Peristaltic Metering Pump - 77 GPD, 120V | 543824
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
Precise chemical dosing for big pools. The Rola-Chem 543824 is a Pro Series 300 (RC307MC) peristaltic metering pump that feeds liquid chlorine, acid, or other pool chemicals at up to 77 gallons per day at 30 PSI on 120V power. A digital timer and fine dosing increments let you dial in exactly how much and how often, so your water stays balanced without hand-dosing. It is sized for large residential and commercial pools, roughly 180,000 to 400,000 gallons.
- Automatically meters liquid pool chemicals (chlorine, acid, and more) into the system.
- Feeds up to 77 GPD at 30 PSI on 120V; self-priming with an 18 ft suction lift.
- Built for large residential and commercial pools (about 180,000 to 400,000 gallons).
- Fully digital timer with refined dosing increments for precise control.
- Three-way switch: timer, off, or continuous feed.
- Quick-release cover for fast squeeze-tube access.
- Includes clear Tygon and black Norprene squeeze tubes, a 1/4 in. plastic injection adapter, and a 1/2 in. brass injection fitting.
- Heavy-duty air-cooled motor with thermal overload protection; Lexan polycarbonate pump head.
- Mount the pump near your chemical supply and injection point per the manual.
- Route the suction tube to the chemical tank and the discharge to the injection fitting on the return line.
- Set the digital timer for the dose and schedule your pool needs.
- Prime the pump and confirm it is drawing and injecting correctly.
Note: 120V model. Handle and store pool chemicals safely; professional setup is recommended.