The "PUMP" Air Pump Manual

When using the pump to inject air into a liquid, ensure that the pump is higher than the surface level of the liquid, otherwise that liquid may run back into the pump when the power is turned off. The use of a check valve is strongly recommended.
Do not keep the air pump in a damp and stuffy place.
Ensure that the air pump is positioned horizontally and housed securely at all times.
Recommended Maximum Depth of Air Line is 15" (38 cm).

The Pump must be earthed to minimize the possibility of electric shock. The Pump is equipped with an electric cord which has an earth conductor and must be plugged into an outlet that is properly installed and earthed in accordance with all appropriate codes and regulations.