4" 475ST / 475STDA 1st Check Assembly SKU: RK4-475STCK1 Alternative SKU: RK4-375ASTCK1 $636.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Wilkins Size: 4 Inch Product model: 475ST, 475STDA Installation and Maintenance Instructions 4" and 6" Specification Sheet Repair Kit Guide Zurn Willkins Backflow Prevention 400ST Series
Installation and Maintenance Instructions 4" and 6" 