Pentair 302 Off‑Line Spa Chlorinator – 15‑Tablet Capacity, Spa Chemical Feeder | R171056

Pentair 302 Off‑Line Spa Chlorinator – 15‑Tablet Capacity, Spa Chemical Feeder | R171056

Pentair 302 off‑line spa chlorinator holds 15 small tablets. Fully enclosed, safe, and automatic for spas up to 2,000 gal.

• Spa‑Sized Tablet Feeder – Holds up to 15 small chlorine or bromine tablets for automatic sanitizing.

• Enclosed Design, No Vent Needed – Prevents gas escape; rated for up to 50 psi operating pressure.

• Off‑Line Split System – Installs via ¼″ feeder tubing connected to return line—no plumbing modifications required.

• Spa Treatment Range – Effectively treats spas and hot tubs from 500 to 2,000 gallons.

• Adjustable Feed Control – Allows precise chemical output for clean, balanced spa water.

The Pentair R171026 Rainbow 302 Spa Chlorinator is a convenient all-in-one solution for automated spa sanitization, designed for tubs up to 2,000 gallons. Simply fill with up to 15 small tablets, attach the pre-installed spacer and tubing, and connect to your return line. The enclosed design ensures no chlorine or bromine gas is released and the unit operates safely at up to 50 psi.

The unique off-line setup requires just a ¼″ feed line, avoiding any need for cutting or modifying existing plumbing. With this chlorinator, water is sanitized consistently without spikes, creating a stable, enjoyable soaking environment.

Ideal for busy spa owners who want hands-free maintenance, the Rainbow 302 combines convenience, safety, and professional-grade performance.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.