Rola-Chem PVC Check Valve for Peristaltic Pumps | 3/8

Rola-Chem PVC Check Valve for Peristaltic Pumps | 3/8" x 1/4" | 521170

Marsoni

M251S

$36.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Rola-Chem PVC Check Valve for Peristaltic Pumps | 3/8" x 1/4" | 521170The Rola Chem 521170 is a heavy duty PVC check valve engineered to work hand in hand with Rola Chem Peristaltic Metering Pumps. Equipped with a 3 8 inch hose barb on one end and a 1 4 inch male NPT fitting on the other, this valve is a critical link in any chemical dispensing setup for pool and spa water treatment. It allows chemicals to flow in one direction only, eliminating backflow that could compromise dosing accuracy or damage upstream

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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If I could give this zero stars, I absolutely would. I ordered these shoes expecting them to be brand new since I paid full price and never selected any “used” option. What I received instead were clearly heavily worn shoes there were visible signs of use that you simply wouldn’t expect from a new product.

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Reviewed in the United States on March 25, 2026