Oil Pump complete with Motor for Waste Oil Burner STW120P/ STW 120/ STP146-3. This oil pump is quiet and efficient and runs on a 240volt 50 cycles supply. It is switched on and off by the float switch in the oil heater tank and will lift to a head of min 1 mt. It can be mounted either vertically or horizontally. It has an optional heater which should only be used in temperatures below minus 10 degrees.