Elkhart 16258001 Inlet Body for Nitro HD 8100HD Monitor Self Priming Pump joystick is not sealed Orientation PTO Installation Kit 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 The Elkhart Brass 37527000 is a 15 foot extension harness for the Nitro HD module to joystick connection 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 bearings and fasteners separately Scope of supply Confirm included components and quantities before ordering Safe service Isolate the water supply