PENTAIR IN-LINE FEEDER AUTOMTIC CHLORINE - R171218

SKU: R171218
Regular price $114.25

Available for pickup at

  • MT Pool Distributor North (1) in stock
In stock

The Pentair Rainbow 320 Series R171218 automatic in-line chlorine feeder delivers reliable, hands-off sanitization that pool contractors trust for commercial and residential installations. This NSF 50 certified feeder handles up to 70,000 gallons per day, making it ideal for large-scale projects while reducing maintenance callbacks and ensuring consistent water quality.

Professional Installation Benefits

Designed for permanent installation in the return line downstream of all equipment, this feeder eliminates manual chlorination tasks for your clients while providing precise chemical control. The adjustable feed rates and built-in check valve prevent backflow issues that can damage equipment and create costly service calls. Top-loading design allows easy tablet refills without disrupting plumbing connections.

Why Pool Contractors Choose MT Pools

MT Pools provides superior customer service with expert technical support for complex installations. Our B2B wholesale pricing structure maximizes your profit margins while our reliable inventory ensures your projects stay on schedule. Join thousands of contractors who depend on our daily recurring customer support.

Frequently Asked Questions

What pool sizes can the R171218 handle effectively?

The Rainbow 320 can treat pools up to 70,000 gallons per day with top feed configuration using 1" trichlor tablets, making it suitable for large residential and commercial applications.

Is this feeder NSF certified for commercial use?

Yes, the R171218 is NSF 50 certified for both public and residential pools when using 1" Trichlor tablets with a flow indicating device, ensuring compliance with health department requirements.

What tablet capacity does this feeder hold?

The chamber holds up to 98 one-inch tablets (3.5 lbs) or 11 three-inch tablets (4.8 lbs), providing extended operation between refills for reduced maintenance visits.

Does MT Pools offer technical support for installation?

Yes, MT Pools provides expert technical guidance and superior customer service to ensure proper installation and optimal performance for all contractor projects.

Order Today

Streamline your pool sanitization installations with this proven automatic feeder. Contact MT Pools for wholesale pricing and expert support that keeps your projects profitable and on schedule.

• NSF 50 certified for public and residential pools
• Holds 98 one-inch tablets or 11 three-inch tablets
• Treats pools up to 70,000 gallons per day (top feed)
• Adjustable feed rates with external control valve
• Built-in check valve prevents chemical backflow
• Top-loading design for easy tablet refills
• Compatible with trichlor and bromine tablets
• Permanent installation in return line downstream
• All parts replaceable for long-term serviceability
• Dimensions: 17¾" H x 5" W x 10" D
• Requires 19" service clearance for lid removal
• Vertical orientation recommended for optimal performance
• Maximum erosion: 1.75 lbs/day (top feed), 0.67 lbs/day (bottom feed)
• Compatible with 1.5" or 2" PVC pipe installations