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Supco NS20000031 - Universal Pressure Switch .01" to 10" W.C.
[SUP NS20000031]
$16.35
Supco NS20000031 - Universal Pressure Switch .01" to 10" W.C.
Click to enlarge

Universal Style Small Footprint Air Pressure Sensing Switch NS2000003/NS2000031

Low cost, high accuracy and reliable universal air pressure switch that replaces many small foot print type switches. Pressure point is set using a digital Manometer or Magnehelic!

Features and Benefits:

  • Senses positive, negative or differential air pressure
  • Set Point Range: 0.01” to 10” W.C.
  • Electrical Ratings: 1/10 hp @ 120 to 277 VAC. 28 VA pilot duty @ 24 VAC, 125 VA pilot duty @ 120 VAC
  • Contact Arrangement: SPDT
  • Operating Temperature Range: 40°F (4.4°C) to 190°F (87.8°C)
  • UL & CSA Approved
  • 2-year warranty

Common HVAC/R Applications:

  • On gas fired warm air furnaces, prove fan flow by sensing draft down from blower; switch actuation allows ignition start up or shuts system down upon insufficient draft.
  • Electronic air cleaners and humidifiers can employ sensing switches to prove airflow; switch actuation starts unit with sufficient airflow or draft.
  • Strip heaters employ airflow sensing switches to prove positive pressure/airflow in duct and air movement across heat source; shuts off heat source with insufficient airflow.
  • Exhaust fans and draft hoods employ sensing switches to sense draft down from exhaust fan; switch actuation signals condition upon fan failure or insufficient draft.
  • Refrigeration and cooling coils are maintained by sensing differential pressure/airflow drop across coils; switch actuation signals condition when they ice, or actuates the defrost cycle.

Product Cross Reference Information:

  • Same as Honeywell® IS2 Series IS22010051F5052

For more information, please visit this products webpage.
This product was added to our catalog on Friday 25 March, 2011.
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