4" 1st Check Assembly 375 / 475 (Flanged Body Only) SKU: RK4-375CK1F Alternative SKU: RK4-375CK1 $712.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Wilkins Size: 4 Inch Product model: 375, 375DA, 475 / 475V, 475DA / 475DAV Specification Sheet Installation and Maintenance Instructions 2.5" - 6" Repair Parts Guide Zurn Wilkins Backflow Prevention Model 49 Butterfly Valve - How to Adjust Opening and Closing Stop Zurn Wilkins Backflow Prevention - How to Troubleshoot Relief Valve Discharge
Specification Sheet 