GRONGU R172248 front view check valve for Pentair Rainbow 320 inline chlorinator.
GRONGU R172248 side view of the valve highlighting durable body for reliability.
GRONGU R172248 close-up showing sturdy materials resisting wear and corrosion.
GRONGU R172248 installation steps image illustrating a four-step replacement process.
GRONGU R172248 exact-fit replacement for Pentair Rainbow 320 valve.
GRONGU R172248 packaging includes components for valve replacement.
GRONGU R172248 flow-path-protection image showing backflow prevention in action.

GRONGU

GRONGU R172248 Check Valve Replacement for Pentair Rainbow 320 Chlorinator | In-Line Pool & Spa Feeder

High-performance patio lawn and garden made for confident daily results

$20.80

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Why customers choose Cera Garden

Overview

Meet the GRONGU R172248 check valve replacement, designed for the Pentair Rainbow inline pool and spa feeder model 320. This component supports steady water flow through your chlorinator, helping chlorine or bromine dosing proceed as water moves through the system. Precise sizing and solid construction aim to keep your setup running smoothly without guesswork.

Compatibility and quality

  • Compatibility: Replacement for Pentair Rainbow 320 inline feeder (model 320).
  • Exact fit: Engineered as the precise replacement for the original R172248 valve.
  • Durable materials: Built to withstand the typical pool and spa environment without easy damage.

Product specifics

  • Threaded end inner diameter: 1.2 cm (0.5 in). Non-threaded end inner diameter: 1.8 cm (0.7 in). Length: 5.1 cm (2 in).
  • High-quality construction helps maintain clear flow paths and reduces backflow risk.

Installation at a glance

Replacing the valve is designed to be straightforward with four steps:

  • Loosen the set screw under the chlorinator.
  • Unscrew the chlorinator body and remove the old check valve.
  • Install the new R172248 valve.
  • Reassemble the chlorinator and tighten the fixing screw.

In-use notes

  • Backflow prevention helps keep water from entering the chlorinator from the return line, supporting stable dosing behavior.
  • Durable materials contribute to a longer service life in common pool and spa conditions.
  • Prompt after-sales support is available if you have questions about the valve replacement.

Notes: Benefits are framed as possibilities to help you assess fit for your system. After-sales support is available with responses within 24 hours.

FAQ

Q: What is the compatibility of the GRONGU R172248 check valve?

A: It is the exact replacement for the Pentair Rainbow 320 inline pool and spa feeder.

Q: How do I install the R172248 valve?

A: Follow four steps: loosen the set screw, remove the old valve, install the new one, then reassemble.

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