Elkhart 16258001 Inlet Body for Nitro HD 8100HD Monitor Self Priming Pump joystick is not sealed Orientation Electric Operated Valves joystick is not sealed Orientation Treat the trigger side as the front for directional operation Power Disconnect system power before wiring Auxiliary relay Match relay voltage and wiring to the installed 12 24 VDC system Clearance Confirm the joystick can move freely Function test Verify all movement A quarter turn chrome filler breather with a wire basket strainer and sight fluid level gauge are also included confirm which part needs replacement Discharge assembly Check the repair location before ordering an inlet body Other monitor models Use the part number specified for the exact model and revision Before Ordering and Service relieve pressure and disconnect electrical power before disassembly Return to service Use the applicable Elkhart service instructions and check the repaired system for leaks and correct operation