162P NEMA 4X, 7, 9 & 13 Differential Pressure Switch

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Adjustable high pressure differential switch. Rugged construction with efficient Nega-Rate® Belleville disc spring sensing mechanism. Maintains set point at high system pressure. Available in all stainless steel construction with hermetically sealed electrical assembly for corrosive atmospheres.


  • Electrical: Snap action electrical switch assembly listed by Underwriters’ Laboratories, Inc., FM Approval and CSA International
  • Electrical Connection: 1/2 NPT male conduit connection with PVC insulated 18 AWG, 18" long leads
  • Pressure Connections: 1/4 NPT Female
  • Temperature Range*
    • Ambient: -40°F to +180°F (-40°C to +82°C)
    • Media: -40°F to +300°F (-40°C to +149°C)
  • Adjustment: External 1/2" hex head
    Note: Turn clockwise to increase set point; approximately 24 turns through range
  • Shipping Weight:
    • Aluminum: Approximately 3 lbs
    • Stainless Steel: Approximately 7 lbs

  • *Temperature limits change with O-Ring selection. See Electrical Assembly specification sheet for Temperature Class Ratings.