#1 Check Assembly Repair Kit for 8", 10" and 12" 350/450 SKU: RK8-350CK1 $1,942.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Wilkins Size: 8 Inch, 10 Inch, 12 Inch Product model: 350, 350A, 350ADA, 350DA, 450, 450DA Installation and Maintenance Instructions 8" - 10" Specification Sheet Repair Parts Guide Zurn Wilkins Backflow Prevention 350 (8 inch, 10 inch & 12 inch) - How to Repair Zurn Wilkins Backflow Prevention Model 49 Butterfly Valve - How to Adjust Opening and Closing Stop