Pentair R172272 Rainbow Feeder 90° Elbow Tube With Nut

The Pentair R172272 90 Degree Elbow Tube With Nut is a genuine replacement fitting used on Pentair Rainbow automatic chlorine and bromine feeders to redirect chemical feed lines while maintaining a secure seal. Designed for Rainbow 320, 322, and select 300-series feeders, this elbow helps route plumbing cleanly in tight equipment spaces without restricting flow. Built to original Pentair specifications, the fitting includes a compression nut that secures the connection to feeder hardware and minimizes the risk of leaks. Its corrosion-resistant construction supports reliable sanitizer delivery in chlorinated pool and spa environments throughout the season.

Highlights

• Designed for Rainbow Feeders: Matches the original Pentair R172272 fitting used on Rainbow 320, 322, and compatible 300-series chemical feeders for proper integration.

• Ninety Degree Elbow Configuration: Allows directional changes in feeder plumbing, improving layout flexibility and helping manage tight installation spaces.

• Standard Half Inch NPT Size: Uses common National Pipe Thread sizing to ensure consistent sealing with feeder plumbing connections.

• Includes Compression Nut: Supplied with the securing nut to provide a tight, leak-resistant connection and simplify installation.

• Chemical-Resistant Construction: Manufactured from materials engineered to withstand chlorinated water and ongoing chemical exposure.

Compatibility

• Pentair Rainbow Automatic Chlorine/Bromine Chemical Feeder Models: 320, 322, 300-29X

Additional Info

The Pentair R172272 90 Degree Elbow Tube With Nut is a directional feeder fitting used on Rainbow automatic chemical feeders. This section supports Wholesale Pool Mart customers, including local service professionals, by addressing fitment confirmation, common failure points, and efficient replacement planning. These FAQs are written to support route-based service work and equipment maintenance.

Compatibility and System Verification

Technicians often confirm fittings before servicing feeders.

Is the R172272 elbow standard for Rainbow 320 and 322 feeders?

Yes, it is the correct 1/2 inch threaded elbow used to route chemical feed lines on those models.

Can this elbow be used across multiple feeder installations?

Yes, many service professionals stock it because it fits several Rainbow feeder configurations.

Does replacing the elbow help resolve low chemical feed issues?

In some cases, yes. Cracked or misaligned elbows can restrict flow or introduce air into the line.

Field Installation and Performance

These FAQs focus on real-world service conditions.

Why do feeder elbows fail over time?

Constant exposure to chemicals and heat can weaken fittings, especially at stress points where plumbing turns.

Does the nut make on-site installation faster?

Yes, it allows technicians to secure the elbow cleanly without modifying existing feeder housings.

What should be inspected after installing the new elbow?

Technicians typically check for steady flow, proper alignment, and absence of seepage during system operation.

Local Pricing and Service Planning

Wholesale Pool Mart customers often coordinate parts ahead of service visits.

Can I check local pricing before visiting my nearest location?

Yes, many professionals compare pricing across stores before planning service routes.

Do service teams usually keep spare elbows on hand?

Yes, elbow fittings are common failure items and easy to replace on site.

Are these often replaced with feeder valves or tubing?

Yes, elbows are frequently replaced during broader feeder maintenance work.