6" 909 2ND CHECK ASSEMBLY SKU: 0794103 $2,335.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Watts Size: 6 Inch Product model: 909 / LF909 / LF909HW Installation and Maintenance Instructions Specification Sheet 909, 009, 990 and 992 Backflow Preventer Repair