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Rola-Chem 521160 In-Line Check Valve – 3/8″ Hose Barb x 3/8″ Hose Barb

The Rola-Chem 521160 In-Line Check Valve is designed to ensure one-way chemical flow in peristaltic pump systems, protecting equipment and maintaining dosing accuracy. Featuring 3/8″ hose barb connections on both ends, this valve installs easily into standard chemical feed tubing and creates a reliable seal to prevent reverse flow.
Constructed from corrosion-resistant materials, this check valve is ideal for chlorine, acid, and other aggressive chemical applications. It is a direct OEM replacement part for use in Rola-Chem chemical injection systems across residential, commercial, and aquatic facilities.
Key Features
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In-line check valve for chemical feed systems
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3/8″ hose barb x 3/8″ hose barb connections
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Prevents backflow to protect pump and dosing integrity
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Compatible with chlorine, acid, and other pool chemicals
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Durable construction for long service life
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OEM replacement for Rola-Chem peristaltic systems
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Rola-Chem 521170 In-Line Check Valve – 1/4″ MNPT x 3/8″ Hose Barb
$56.36
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Rola‑Chem Pro Series 300 Peristaltic Liquid Chemical Feeder Pumps
$555.80
✔ Ships Free! -
Rola-Chem 527158 Brass Injector Fitting – 1/2″ NPT x 7/16″ OD Tube
$33.58
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Rola-Chem 527159 Plastic Injector Fitting – 1/2″ NPT x 7/16″ OD Tube
$33.58