Pentair 1/2" Control Valve Replacement for Rainbow Feeder
The Pentair Control Valve Replacement (R172086Z) is a genuine OEM 1/2-inch control valve designed for Pentair Rainbow automatic chlorine and bromine feeders. This valve regulates sanitizer flow into the circulation system, allowing accurate adjustment of chlorine or bromine delivery.
A worn, cracked, or leaking control valve can cause inconsistent sanitizer levels, feeder leaks, or difficulty dialing in proper output. Replacing the valve restores dependable flow control and safe feeder operation.
Why the Control Valve Matters
The control valve is the adjustment point that determines how much sanitizer dissolves into the pool or spa. Over time, exposure to chemicals, pressure, and UV can degrade seals and threads.
Common symptoms of a failing control valve include:
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Difficulty adjusting sanitizer output
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Feeder leaks at the valve body
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Inconsistent chlorine or bromine levels
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Valve sticking or not closing fully
Replacing the valve ensures predictable sanitizer dosing and helps maintain stable water chemistry.
Designed for Pentair Rainbow Automatic Feeders
This replacement valve is manufactured to Pentair OEM specifications and is compatible with Rainbow automatic chlorine and bromine feeders that use a 1/2-inch control valve. Proper fit is essential to maintain a leak-free seal and accurate adjustment range.
Always verify your feeder model and existing valve size before ordering.
Straightforward Replacement During Feeder Service
The valve installs directly into the feeder body using standard pool service practices. Replacement is commonly performed during routine feeder maintenance or when leaks or adjustment issues are observed. Inspect O-rings and sealing surfaces during installation for best results.
Product Specifications
| Specification | Details |
|---|---|
| Product Name | Control Valve Replacement |
| Manufacturer | Pentair |
| Part Number | R172086Z |
| Valve Size | 1/2 inch |
| Compatibility | Pentair Rainbow chlorine & bromine feeders |
| Product Type | Feeder control valve |
| Function | Regulates sanitizer flow |
| Installation | Thread-in replacement |
| Condition | New, OEM |
Why Buy From Benchmark Pool Supply
When you purchase feeder replacement parts from Benchmark Pool Supply, you’re buying from a team that works with real-world pool chemistry systems every day. We stock genuine Pentair components, ship from U.S. inventory, and help customers avoid compatibility issues that lead to leaks or unstable sanitizer levels. Every order is handled by knowledgeable staff familiar with Rainbow feeder systems.
