OEM Pentair Flow Indicator Valve R172080 is a precision component for Rainbow automatic chemical feeders, including models 300, 302, 300-19, and 300-29. It provides real-time monitoring of chemical flow rates between 0 and 1 GPM, supporting safe and efficient chlorine or bromine distribution. This flow indicator includes a built-in check valve and is constructed from durable polycarbonate for dependable use in pool and spa environments. ItÕs a critical part for maintaining water chemistry and protecting feeder operation.

• Made for Rainbow Feeders: Designed for compatibility with Rainbow chemical feeder models 300, 302, 300-19, and 300-29 to ensure reliable operation.

• Monitors Chemical Flow: Provides a clear visual indicator of chlorine or bromine flow for precise dosage tracking and safer water treatment.

• Supports 0Ð1 GPM Range: Handles low-volume chemical feed systems, giving accurate performance in both spa and pool setups.

• Built-In Check Valve: Helps prevent backflow and keeps chemical feed unidirectional, preserving system integrity and chemical consistency.

• Durable, Pool-Grade Body: Constructed from long-lasting polycarbonate for dependable performance under chemical exposure and pressure.

• (1) Flow Indicator
• (1)ÊCheck Valve

• Pentair Rainbow Chemical Feeder Models:Ê300, 302, 300-19, and 300-29

Need to monitor the flow rate in your Rainbow chemical feeder? This section explains how the R172080 flow indicator works with compatible models and where to buy it in-store at Discount Pool Mart.

Installing the R172080 Flow Indicator

This flow indicator with built-in check valve fits Rainbow 300-series feeders and is ideal for tracking chlorine or bromine output. It handles 0Ð1 GPM and helps maintain balanced water chemistry.

How do I install the R172080 on a Rainbow 300 feeder?

Can I walk in and buy this flow indicator at Discount Pool Mart?

Is this part compatible with the Rainbow 300-19 feeder?

Does the check valve come pre-installed or separate?

Do I need Teflon tape on this part for install?

Troubleshooting Chemical Flow Problems

Inconsistent flow, air bubbles, or incorrect chlorination could mean the indicator is stuck or worn. Here's how to diagnose problems before they affect your water.

Why is my feeder not showing any flow on the indicator?

Could a broken check valve cause backflow issues?

How can I tell if the R172080 is clogged or misaligned?

What does it mean if the ball inside is stuck?

Can I bring in the part to Discount Pool Mart to compare?

Buying In Store for Fast Repairs

Discount Pool Mart stocks OEM feeder parts like the R172080 so you can avoid delays and confirm the right part in person before installing.

Where can I buy the R172080 flow indicator near me today?

Will Discount Pool Mart staff help confirm part compatibility?

Is this flow indicator sold with the check valve included?

Do stores carry other Rainbow feeder parts too?

Can I exchange the part in-store if it doesnÕt fit?