Can you get a pressure release valve for a 9013FSG?
Class 9013, pumptrol pressure switch, Type FSG
Form X pressure release valves are not an available option on the 9013FSG adjustable differential switches. Can only be factory ordered on the non adjustable differential 9013FHG switches or the adjustable 9013 Type G. Field installation is not possible. The brass fitting with the Schraeder valve is, however, replaceable on any of these that came with form X or X1.