The feed pumps are electrically connected in parallel to the oil burner pump. When the pump for the oil burner starts, the feed pump is started as well. The suction pump must be fitted within the building in a location which can be easily monitored. Due to the degassing of fuel oil, the vacuum in front of the pump should not exceed 0.4 bars. - Possible flow rates: 0.1 - 60 l/min - Max. pressure rise: 5 bars