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Welch™ Vacuum Pump On/Off Foot Switch

Vacuum pump accessory that provides hands-free operation of Welch DryFast diaphragm and WOB-L piston pumps.

Manufacturer:  Welch™ 1430A

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Catalog No. 01-104-17



  • Hands-free on/off pump operation
  • No adaptors or special connection needed
  • Plugs directly into the power source outlet
  • Switch logic and power varies depending on model:
    • Parts 01-104-17 and 01-055-16: 3-prong U.S. standard plug with 8 ft. cord (CSA, NEMA, and UL Enclosure Type 1)
    • Part 01-055-17: Male and female IEC connections with 8 ft. cord (plugs directly into the IEC connection on the pump)


115 V 60 Hz
DryFast™ diaphragm pumps
Maintained On/Off switch logic
Foot Switch
Product Certifications