Willoughby Industries, Inc.
5105 West 78th Street
Indianapolis, IN 46268
Tel: (800) 428-4065
Fax: (317) 875-0837



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Vacuum Plumbing Systems

Vacuum plumbing systems information

The Willoughby EVAC vacuum toilet system is an engineered system using di­fferential air pressure to transport sanitary waste water from plumbing fixtures, such as vacuum toilets, sinks and showers, through a vacuum piping network to the vacuum collection tank. The vacuum collection tank maintains operating vacuum pressure throughout the piping network and controls the collection and discharge from the system. Potential advantages include:

  • Reduced construction time and cost
  • Increased security and control
  • Reduced maintenance cost
  • Reduced water and sewage bills

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