John Guest 5/16" (8mm) Single Check Valve - One-Way Push-Fit
The John Guest 5/16" Single Check Valve is a critical safety component for air and liquid lines. This push-fit valve allows fluid or gas to flow in only one direction, preventing backflow that could contaminate your system or damage your regulators. Featuring John Guest's world-famous push-to-connect technology, it provides a tool-free, 100% leak-proof connection for 5/16" (8mm) OD tubing. Made from food-grade acetal with a stainless steel spring.
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Shipping & Returns

John Guest 5/16" (8mm) Single Check Valve - One-Way Push-Fit
John Guest 5/16" (8mm) Single Check Valve - One-Way Push-Fit
The John Guest 5/16" Single Check Valve is a critical safety component for air and liquid lines. This push-fit valve allows fluid or gas to flow in only one direction, preventing backflow that could contaminate your system or damage your regulators. Featuring John Guest's world-famous push-to-connect technology, it provides a tool-free, 100% leak-proof connection for 5/16" (8mm) OD tubing. Made from food-grade acetal with a stainless steel spring.
Original: $10.04
-65%$10.04
$3.51Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The John Guest 5/16" Single Check Valve is a critical safety component for air and liquid lines. This push-fit valve allows fluid or gas to flow in only one direction, preventing backflow that could contaminate your system or damage your regulators. Featuring John Guest's world-famous push-to-connect technology, it provides a tool-free, 100% leak-proof connection for 5/16" (8mm) OD tubing. Made from food-grade acetal with a stainless steel spring.












