Answer
Mar 06, 2026 - 11:32 AM
The inside diameter (ID) of this blower check valve is 1.5 inches. Having a 1.5-inch ID ensures a proper fit with 1.5-inch piping, which helps create a tight seal and prevents air or water leaks in spa blower systems.
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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