Pentair R172086 In Line Chlorinator 320 Control Valve

The Pentair R172086 control valve is a genuine replacement component designed for the Rainbow 320 and 322 in-line chlorinator and brominator systems, as well as select 300-series off-line feeders. Built with a ½-inch FPT connection, the valve provides precise regulation of water entering the feeder, allowing consistent control of chlorine or bromine output. Its chemical-resistant construction is engineered to meet Pentair’s original OEM performance standards, ensuring reliability in chlorinated water environments and helping maintain balanced sanitation levels. Ideal for restoring proper operation when the existing valve becomes worn or clogged, the R172086 supports dependable chemical delivery and long-term system performance.

Highlights

• Engineered for Rainbow Feeders: Matches the functional profile of the original Pentair R172086 used on Rainbow 320, 322, and compatible 300-series off-line feeders for proper fit and flow control.

• Standard ½-Inch FPT Threading: Features a common female pipe thread connection for straightforward installation into existing chlorinator or brominator plumbing.

• Accurate Chemical Feed Regulation: Adjusts water inflow to stabilize chlorine or bromine output, reducing fluctuations and improving overall sanitation consistency.

• Durable Chemical-Resistant Build: Constructed to withstand sustained exposure to chlorinated and brominated water without cracking or deteriorating over time.

• Key to Feeder Performance: Replacing a malfunctioning valve restores proper chemical metering, supporting reliable disinfection and maintaining overall pool water quality.

Compatibility

• Pentair In-Line Rainbow Chemical Feeder Models: 320, 322, 300-29X

Additional Info

The Pentair R172086 control valve is a direct replacement for Rainbow 320, 322, and select 300-series feeder systems. This section helps Wholesale Pool Mart customers and service professionals confirm fitment, plan maintenance for chemical feeders, and manage inventory for multi-site service routes.

Compatibility and System Requirements

Technicians often check feeder models before heading out to service accounts.

Is the R172086 compatible with 320 and 322 inline feeders?

Yes, it matches the original specification for both models and several 300-series offline units.

Does the valve function with chlorinators and brominators?

Yes, it works with either sanitizing system and maintains consistent chemical distribution.

Can technicians use this valve on older feeder installations?

Yes, older models using the same inlet size and valve design accept this replacement.

Installation, Adjustment, and Field Troubleshooting

These questions support consistent sanitizer output for service accounts.

What is the correct method for adjusting the valve?

Start with a low setting and increase gradually while monitoring chlorine or bromine levels until desired output is achieved.

Why might chlorine levels remain inconsistent after replacing the valve?

Technicians typically check pump runtime, ensure the feeder is not clogged, and confirm proper tablet loading.

Does valve replacement improve long-term feeder reliability?

Yes, replacing worn valves restores accurate flow control and reduces the frequency of chemical imbalances.

Stock, Local Pricing, and Service Planning

These FAQs support technicians serving multiple job sites.

Can I compare stock availability across Wholesale Pool Mart stores?

Yes, many service teams verify nearby location inventory before planning their route.

Do service technicians keep multiple R172086 valves on hand?

Yes, feeders wear over time, and replacing the valve is a common fix during maintenance.

Are there related parts purchased alongside this valve?

Commonly paired components include feeder O-rings, check valves, and threaded fittings.