This 330 watt pond heater provides reassurance that your pond life will be safe this winter. The heater is thermostatically controlled and switches on automatically when frost is detected.The unit has been designed to cope with the harshest winters even up to minus 30 degrees C.Pond heater ensures oxygen has access to the pond and allows harmful gases to escapeResistance heating technology for higher performance in the frost area and protection against damage.Maintains the warm temperature zones on the floor of the pond
