Pentair R172323 1/4″ Corrosion‑Resistant In‑Line Check Valve

Ensure the safety and efficiency of your chemical feeder with this corrosion-resistant in-line check valve from Pentair. Designed as a direct replacement for Pentair feeder models 300 and 302, this valve offers reliable backflow prevention for your pool or spa system.

Product Features:

• Genuine Pentair replacement valve

• Corrosion-resistant construction ensures long-lasting performance

• Compatible with automatic feeder models 300 and 302

• 1/4″ tube-to-tube connections for quick plumbing integration

Specifications:

• Tube Sizes: 1/4″ inlet and outlet

• Dimensions: approximately 16 ¾″ (L) × 13 ½″ (H) × 16 ¾″ (W)

• Product Dimensions Listing: 1 × 1 × 1 inches (packaged)

• Item Weight: 0.8 ounces

• Manufacturer: Pentair

Benefits:

• Prevents chemical backflow into your pool system

• Built to resist corrosion in harsh pool and spa environments

• Simple installation – integrates seamlessly with standard 1/4″ tubing

• Compact and lightweight for easy handling

Maintain safe and efficient chemical delivery in your pool or spa with the Pentair R172323 in-line check valve. Ideal for replacing worn or damaged valves in models 300 and 302 feeders.

Shipping: We offer free standard shipping on all orders within the contiguous United States (lower 48). We do not currently ship to Alaska, Hawaii, or Puerto Rico. Any other restrictions will be shown at checkout. We do not currently ship internationally. Orders ship within 1 to 2 business days, and delivery typically takes 4 to 6 business days after shipping, for a total of about 5 to 8 business days from your order date.

Tracking information is emailed once your order ships. We do not currently offer international shipping. See our full Shipping Policy for full details.

Returns: Unused items in their original packaging may be returned within 30 days of delivery. To start a return, request a Return Merchandise Authorization (RMA) by emailing support@nationalpoolsupply.com or calling +1 978-222-0628 with your order number and the reason for the return (include photos if the item is defective, damaged, or incorrect). Once your RMA is approved, ship the item with your RMA number to: DHB Enterprises LLC / National Pool Supply, 30 Log Bridge Rd, Building 300, Unit 301, Middleton, MA 01949. Change-of-mind returns: you pay return shipping, and a 15% restocking fee applies; original shipping costs are not refunded. Defective, damaged, or incorrect items reported within 30 days of delivery are returned at no cost to you with a prepaid label, and no restocking fee applies. See our full Refund and Returns Policy for full details.

Manufacturer Warranty:
This product carries the manufacturer's warranty, where applicable. Warranty terms, coverage, and exclusions are set by the manufacturer. Warranty claims are filed directly with the manufacturer; we do not process warranty claims or offer a separate warranty of our own. If you need the manufacturer's contact details, contact us and we will share them. See our Warranty page for details.