1 1-1/4" - 2" 909M1 STAINLESS STEEL 2nd Check Assembly SKU: 0887136 $537.50 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Watts Size: 1 1/4 Inch, 1 1/2 Inch, 2 Inch Product model: 909 / LF909 / LF909HW 909 / LF909 Installation and Maintenance Instructions 909 / LF909 Specification Sheet 909 / LF909 Relief Valve Discharge Rates 909, 009, 990 and 992 Backflow Preventer Repair