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Differential Pressure Switches

A Differential Pressure Switch is an instrument that converts a differential pressure change between two systems to an electrical function.  When the pressure in one of two systems increases or decreases to a set differential point relative to the other, the electrical state of the differential pressure switch changes, on to off and/or off to on.  They are widely used throughout many industries and applications including:

  • Oil Filters
  • Transmission Filter Heads
  • Fuel Cells
  • Refrigeration

Whitman Controls Corporation manufactures a wide range of Differential Pressure Switches.  They are used by customers around the world including by a noted manufacturer of large refrigeration units which uses our P845 Delta P Switch.

As an established leader in the manufacture of miniature pressure, differential pressure, vacuum, temperature and liquid level switches, our goal is to provide our customers with a quality product, manufactured to their specifications, at a competitive price with shipment in two weeks or less.  Quality at Whitman Controls Corporation is proven both by a reliability rate substantially higher than industry standards and an ISO 9001:2000 Registered certified Quality Management System. Ongoing research and development efforts insure our staying on the leading edge of pressure, vacuum, and liquid level switch technology while at the same time introducing new models to meet developing requirements in many industries.

Multiple Differential Pressure Switches
Whitman Controls Corporation 201 Dolphin Road, Bristol CT 06020 Phone: 800-233-4401, Fax: 860-583-5293