Answer
Mar 06, 2026 - 11:32 AM
This is a blower check valve. A blower check valve uses a spring mechanism to automatically close the valve when flow stops or reverses, which helps prevent backflow and protects spa equipment from damage.
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Mar 06, 2026 - 11:32 AM
View all Air Supply 1.5" ID 2" OD 2" Spring Clear Check Valve for Blower, 112500 Questions & Answers