Saniflo SaniAlarm Level Sensor

1:Insert the Batteries (not supplied) in the case. 2:Carefully drill a 10mm hole in the lid of the unit where indicated in the instructions. 3:Spread some silicone grease around the plunger tube and insert it through the lid 4:Fit the SaniAlarm on top of the Plunger tube. 5:Switch to the ON position