This kit contains replacement rubber parts for the repair of the first and second 1 1/4 to 2 inch backflow preventer check valves. This kit consists of all rubber parts necessary to repair the applicable backflow preventer assembly. All parts are genuine and original to the valve. WATTS®, 0794065, Parts Kit, Series: RK-LF909, For Use With: Model 009/LF009 1-1/4 to 2 in Reduced Pressure Zone Assembly, Rubber