Apollo Conbraco - 1/2" 3/4" & 1"Air Inlet Repair Kit for 4V-500 PVB Devices, 4V-500-03, 4V50003 Apollo Conbraco - 1/2" 3/4" & 1" Air Inlet Repair Kit for 4V-500 PVB Devices, 4V-500-03, 4V50003 Kit Includes: Cap screw, Cap, Cap O-Ring, Cap spring, Cap washer, Cap nut, Freeze plug, Freeze spring, Freeze ball, Float O-Ring and Float