Service unit combination FRC-3/4-D-MAXI-KE consisting of filter regulator, lubricator, on/off valve with solenoid coil 24 V DC without socket, and pressure build-up valve with mounting brackets. With manual condensate drain and metal bowl guard. Size=Maxi, Series=D, Actuator lock=Rotary knob with lock, Assembly position=Vertical +/- 5?, Grade of filtration=40 ?m