The Pentair Reducer Bushing, 2" x 1-1/2" Slip x Slip (R172210) is a genuine OEM replacement designed to restore secure, leak-free connections on Rainbow automatic chlorine and bromine feeders. If your Rainbow Model 320 or Model 322 inline feeders are experiencing loose or damaged bushings, this precisely sized reducer bushing ensures a reliable solvent-weld fit from 2" slip to 1-1/2" slip, keeping your chlorinator or brominator performing at its best.

Compatibility and fit

• Fits Rainbow automatic chlorine and bromine feeders, specifically Model 320 and Model 322 inline feeders
• Adapts 2" slip plumbing to 1-1/2" slip connections
• Slip x slip design for secure solvent-weld installations with compatible PVC components
• Ideal for 1-1/2" PVC tube applications in properly configured feeder plumbing

Why this reducer bushing stands out

• Genuine Pentair replacement part — guaranteed OEM fit and function with supported Rainbow feeder assemblies
• Pool-grade PVC construction offers robust chemical resistance and long-term reliability in chlorinator and brominator lines
• Compact, easy-to-replace design that quickly restores proper feeder connections
• Helps prevent leaks and installation issues that can arise from worn or mismatched bushings
• Service-friendly part to keep on hand for professional pool maintenance and on-site repairs

Ideal use cases

• Replacing worn, cracked, or missing feeder bushings on Rainbow Model 320 and 322 inline feeders
• Adapting existing 2" slip plumbing to a 1-1/2" slip feeder connection for new or repaired installations
• Chlorinator and brominator plumbing repairs on pool equipment pads
• Professional pool service scenarios where reliable, OEM parts minimize downtime

How it improves performance

Using the correct OEM reducer bushing ensures the feeder plumbing is properly adapted and securely connected, which translates to consistent chemical feed and reduced risk of leaks. The R172210 supports leak-resistant operation when installed with proper solvent-weld technique, helping maintain precise chemical dosing and overall system reliability in your pool maintenance setup.

Installation and care tips

• Depressurize and drain the feeder line before any replacement
• Confirm dry-fit alignment between 2" slip and 1-1/2" slip segments
• Apply appropriate PVC solvent cement to both mating surfaces, then firmly assemble and hold until set
• Inspect for leaks after pressure testing and retorque connections as needed

Specifications

• Product Name: Pentair Reducer Bushing
• Brand: Pentair
• Part Number: R172210
• Related Product Line: Rainbow Automatic Chlorine / Bromine Feeders
• UPC / GTIN: 788379004927
• Product Type: Reducer bushing
• Connection: 2" x 1-1/2" Slip x Slip (solvent-weld)
• Fits: Rainbow Model 320 and Rainbow Model 322 feeders
• Material: Pool-grade PVC