3/4" 4000B 1st and 2nd Check Rubber Kit SKU: 7016648 Alternative SKU: 0887003 $44.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Ames Size: 3/4 Inch Product model: 4000B / LF4000B, 4000BM2 Installation and Maintenance Instructions Specification Sheet Relief Valve Discharge Rates