PENTAIR 0.5" CHECK VALVE FOR RAINBOW CHLORINATOR (E3)
The Pentair Rainbow R172248Z 0.5" Check Valve Assembly is a genuine factory-original OEM replacement part designed for off-line automatic chemical feeders. Injection-molded from premium, chemical-resistant polymers, this 1/2-inch check valve creates a reliable one-way gate that prevents highly concentrated chemical solutions from back-flowing into your pool pump, heater, or copper plumbing when the filtration system shuts down, eliminating advanced equipment corrosion.
Part Number: R172248Z (also replaces older model SKU R172248)
Size: 1/2 Inch (0.5") NPT Threads
Material: High-impact chemical-resistant composite polymer
Equipment Compatibility: Designed explicitly for Pentair Rainbow Off-Line Automatic Chlorine / Bromine Feeders, including models 300, 300-19, and 300-29.
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