stokes edwards roots leybold roots blower vacuum pump rebuild

Roots Blower Rebuilding and Repair Services

2 Year Warranty: All ADVACO pump rebuilds are covered by our exclusive two year warranty, from the date of installation, against defects in parts and workmanship.

ADVACO offers complete re-manufacturing services for most major manufacturers of high vacuum blowers (roots-type blowers) including Alcatel, Edwards, Leybold, Stokes, Roots, and Aerzen.

ADVACO’s in-house machine shop has perfected manufacturing techniques that allow us to address costly “out-of-specification” major parts – such as the drive and driven lobe assemblies – resulting in high quality and cost-effective rebuilds

What's Included In ADVACO's Vacuum Pump Rebuild and Services

  • Two Year Warranty:
    The best in the industry — parts and labor guaranteed two full years from the time your pump is installed at your facility, against defects in parts and workmanship.
  • Comprehensive Documentation:
    The entire service history is documented and archived for future retrieval, report generation or data/trend analysis.
  • Detailed Failure Analysis Options: ADVACO offers multiple failure analysis options to meet your budgetary and data collection requirements.
  • Factory Trained Technicians:
    Our technicians are factory trained to ensure your rebuild project maintains high reliability and durability.
  • ISO9001:2015 Registered:
    ADVACO's quality system is ISO9001:2015 registered.
  • Computerized Testing:
    Calibrated test equipment and components are utilized to verify and record all official operating parameters, and the output is provided with each shipment.
  • Environmental Compliance: Registration with EPA #MDD985419076. ADVACO adheres to proper disposal methods to ensure the safety of our environment.
  • Fast Turnaround:
    ADVACO will meet your schedule and delivery requirements.
  • Proactive Uptime Program
    Customer specific programs can be designed to maximize pump life.
  • Priority Services: Expedited service available upon request.
  • Pick-Up & Delivery Available:
    Available everywhere - we can coordinate the transport of your equipment to and from your facility.
  • In-house Machine Shop:
    Enables us to remanufacture major parts to reduce cost and maintain serviceability

ADVACO's Vacuum Pump Rebuild and Service Process

Disassembly and Cleaning

Via state-of-the-art, EPA compliant systems

Inspection and Quotation

Certified Vacuum Technicians utilizing specially designed and calibrated instruments will thoroughly inspect all of the unit’s components (including electrical and diagnostic systems) vs original OEM specifications.

All consumable items quoted for replacement.

Major components that do not meet original OEM specifications are quoted for replacement or re-manufacturing in our in-house machine shop (at considerable cost savings).


Unit will be re-assembled in one of our dedicated manufacturing cells.

Testing and Quality Control

  • Extensive post re-manufacturing testing via proprietary software/hardware generating graphical data certifying both ultimate vacuum and pumping speed.
  • Applicable equipment software verified and re-set (run hours, etc.).
  • Inboard and Outboard Helium Leak Testing

Roots Blower Vacuum Pumps We Rebuild

Search through our vacuum pump rebuild and repair table to find your model pump.

Manufacturer Series Model
Edwards EH EH250, EH500, EH1200, EH2600, EH4200
Edwards QMB QMB250, QMB500, QMB1200
Leybold WA WA151, WA251, WA501, WA1001, WA2001
Leybold WAU WAU151, WAU251, WAU501, WAU1001, WAU-2001
Leybold WSU WSU151, WSU251, WSU501, WSU1001, WSU2001
Leybold WS WS151, WS251, WS501, WS1001, WS2001
Leybold RA RA2001, RA3001, RA5001, RA7001, RA9001
Alcatel/Adixen RSV RSV 151, RSV 300, RSV 301, RSV600, RSV 601, RSV 602, RSV1002, RSV 1502, RSV 2000, RSV1202
Busch -- WY1250, WY250, WY500, WZ1000, WZ2000
Stokes -- 306, 310, 607, 615, 622, 306-041, 306-1, 306-401, 306-402, 310-1, 310-401, 310-402, 310-41, 607-1, 61B-MHR, 615HM7, 615-MHR, 615-1, 615-4MH, 615-402, 615-5HR, 615-7, 615-7M, 622-MHXXS, 622-MH25, 622-2, 622-4HM, 1721, 1722, 1738
Roots -- RGS-1009, RGS-1012, RGS-1016, RGS-1018, RGS-1021, RGS-1024, RGS-1030, RGS-1228, RGS-1236, RGS-615
Aerzen -- GLa 12.5 HV, GMa/GLa 11.3, GMa/GLa 12.5, GMa/GLa 12.6V-00, GMa/GLa 13.8, GMa/GLa 13.f7, GMb 15.10HV, GMb/GLb14.9HV, GMb/GLb15.11HV, GMb/GLb16.f13HV, V1500, V2000, V2500, V500

Request Information

We offer expert rebuilds, remanufactured units, and technical assistance for your vacuum pumps. Select an option below or call us at (800) 272-2525 so our team can help you as quickly as possible.