Valve Rebuild Kit Fits Brand Zurn For Use With Mfr Model Number 10-350A 12-350A 8-350A Includes Bolt Handle O-Ring Poppet Assembly Poppet Retainer Seal Ring Seat Assembly Repair Part Size 8 in 10 in 12 in 10 in 12 in 8 in Thread Size Inlet (In.) 8 in 10 in 12 in Material of Construction Rubber Steel Temp Range 33 Degrees to 140 Degrees F For Use With Pressure Reducing Valves Compliance ANSI 61 NSF