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Our manually operated Hydrostatic Relief Valve equalizes pressure for high water tables. Fins enable easy twist for installation and removal. Manufactured from superior UV-resistant engineered polymers. Includes 2 x 1-1/2 inch reducer bushing. Reducer bushing must be glued into hydrostatic relief valve using ABS glue.
Fits any AquaStar and most other manufacturer 2 inch threads.
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