2nd Check Repair Kit 8" - 10" 350ASTDA SKU: RK8-350ASTDACK2 $2,061.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Wilkins Size: 8 Inch, 10 Inch Product model: 350ASTDA 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 350AST - How to Maintain Zurn Wilkins Backflow Prevention Detector Assemblies - How it Works