Febco: 8" - Seat Ring / Arm Assembly for an 870 DC / 870V Double Check / 876 DCDA / 876V Double Check Detector Assembly / 880 RP / 880V RP {OR} 8" - 10" 850 DC / 856 DCDA / 860 Reduced Pressure Zone / 800 Single Check Valve
Kit Includes:
Seat Ring, Arm Assembly, Seat Gasket, Cover O-Ring, and Mounting Nuts