Pilot, check, unloader valve
Control Devices Pilot Valves

Found under the following brands:
Control Devices
Obsolete, no replacement, none in stock. Click here to contact the manufacturer.
Same as IMC part# 1312100496 (click part# to order).
Pilot Valve Load Genie w/ 1/2" FPT & Drain Cock Cuts in at 110 and out at 140 psi.