2- Maple Sap Extractors For Sale. DG 215 Continuous Vacuum Mechanical Sap Extractors, both have been modified by Airablo to run electrically with a submersible pump or can still be run mechanically. This is a great option as you can run the releasers electrically but have the backup of a mechanical Sap Extractor. Buy the Sap Extractors to use mechanically or electrically. If you are not interested in the pumps I will gladly keep them. I can send videos of the releasers working both ways upon request. $950 Each without pumps. Sap Extractors include probes to turn on and off the pump, control box, pump housing, and plumping currently installed. The pumps are optional for another $700 each. Pumps are 2 HP 40 GPM, and will pump 38 GPM at 28". These will handle 7000-8000 taps both mechanically or electrically.