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