[. . . ] If unit is connected to any through-hull fittings, PROPERLYINSTALLEDSEACOCKSMUSTBEINSTALLED totheselines. Discontinue use of toilet until installation has been corrected or repairs are made. [. . . ] Discontinue use of toilet until installation has been corrected or repairs are made. ) Use of any pump that draws more than 15ampsrequiresinstallationofapumpcontactorrelay. Siphoning, where water flows into the toilet from outside, can lead to floodingand, consequently, lossofpropertyandlife. Insert the 3/4" Barbed Fitting (supplied) into the end of Water Supply Line and secure with a Small Hose Clamp(supplied). Whenthedischargelinefromtheholdingtankhasbeenrouted through any holes to the toilet, slide a 2-1/2" hose clamp onto thehose. Additional components for high model not supplied Rigid plastic upper piece Rigid plastic upper piece Rubber lower piece Components not supplied Note the correct orientation of the lower discharge check valve IMPORTANT: All connections between the Discharge Hose, Lower Check Valve and plumbing must be fully tightened to prevent all waste leaks. Sheathed two-wire cableRed and Black, from the Control Box harness to the Wall Switch cable, with a female terminal connector on the toilet harness end. (Sheathed 18 gauge, 12 foot) Black and Red, two-wire cable provided by Thetford, permanently attached to Wall Switch board, from the Wall Switch to the Control Box harness with a male terminal connector on the cable end. Two wiresBlue and Black, from the Control Box harness to the solenoid wiring, With a female terminal connector on the toilet harness end. Two wiresBlack and Brown, from the Control Box harness to the Motor/Pump wiring, with a female terminal connector on the toilet harness end. Sheathed four-wire cable from Control Box to Tank Sensor wiring, two pairs of wiresRed and Black, with a female terminal connector on the toilet harness end for the Full Tank Sensor, and Green and White, with male terminal connector on the toilet harness end for the Optional Mid-level Tank Sensor. Not usedor may not be present, four terminal female connector on the toilet harness end. [. . . ] Sheathed four-wire cable from Control Box to Tank Sensor wiring, two pairs of wiresRed and Black, with a female terminal connector on the toilet harness end for the Full Tank Sensor, and Green and White, with male terminal connector on the toilet harness end for the Optional Mid-level Tank Sensor. Not usedor may not be present, four terminal female connector on the toilet harness end. [. . . ]