• Pentair Chlorine Feeder Control Valve
  • Pentair 1/2" Feeder Control Valve R172086Z Image
  • Pentair 1/2" Feeder Control Valve R172086Z Key Features
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Pentair

Pentair 1/2" Feeder Control Valve R172086Z

Pentair 1/2" Feeder Control Valve R172086Z

$47.78 USD
$47.78 USD
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Inconsistent chlorine levels often trace back to a worn or sticking feeder valve that no longer regulates flow correctly. The Pentair 1/2" Feeder Control Valve restores your chlorine delivery, helping maintain stable sanitizer levels without constant adjustments. Shasta Pool Supply offers fast shipping on chlorinator parts.

What does the Pentair Feeder Control Valve actually do?

The Pentair R172086Z control valve regulates the amount of water flowing into a chemical feeder, which directly controls how much chlorine is dispensed into the pool. Proper valve operation prevents over-chlorination, under-feeding, and erratic sanitizer levels. 

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Key Features

  • Genuine Pentair replacement control valve
  • 1/2" connection size for feeder flow control
  • Allows precise adjustment of chlorine delivery
  • Resistant to chemical corrosion and wear
  • Direct-fit replacement for compatible Pentair feeders

Technical Specifications

  • Part Number: R172086Z
  • Connection Size: 1/2"
  • Application: Chemical feeder flow control
  • Material: Chemical-resistant plastic
  • Installation: Inline feeder valve replacement

Specs

  • Part Number: R172086Z
  • Manufacturer: Pentair

Best For: Ideal Pool Types & Conditions

This feeder control valve is best for pool owners using Pentair automatic chemical feeders who want reliable, consistent chlorine delivery. It’s ideal when a feeder still functions structurally but no longer regulates flow accurately. Service professionals often replace this valve during routine feeder rebuilds.
Best for: Pentair in-line and offline feeders, chlorine stability issues
Not ideal for: Non-Pentair feeders or different valve sizes

Expert Comparison & Pro Tips

Compared to aftermarket valves, the Pentair R172086Z matches factory flow tolerances for predictable feeder performance. Off-brand valves may fit but often lack the fine adjustment needed for consistent chlorination.
Pro Tip: After installing a new control valve, start with the feeder set to a low output and adjust gradually over several days to avoid over-chlorination.

Our Expert Verdict: Real-World Results


In real-world pool service, replacing this valve often resolves fluctuating chlorine levels immediately. Feeders respond more smoothly to adjustments, and pools require fewer manual corrections. It’s a cost-effective fix that extends the life of your existing feeder. Backed by ShastaPoolSupply.com’s expert support, fast shipping, and trusted pool-industry experience, this part is an easy, confident choice.

How do I know if my feeder control valve needs to be replaced?

If your chlorine feeder is difficult to adjust, stuck in one position, or no longer affects chlorine levels, the control valve is likely worn. Cracks, leaks, or internal scaling are also common signs. Replacing the valve restores proper flow regulation without replacing the entire feeder. It’s a common service repair for aging feeder systems.

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What our customers are saying

Easy process... Received notifications of the status and arrived promptly.
Would definitely order other products from this company again

Rene S

I was very happy that the filters that I purchased were able to be shipped to the Mesa location which was easier for me to pick up.

Daniel K.

I bought a demo/open box chlorinator from them. So far the product has been working well (one week) and it looked new in the manufacturers box when I got it. Communication with them was great. Price I got for the open box item was worth it. Would use them again. Thanks.

Ken J.

Frequently Asked Questions

FAQ

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