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Supco NS2000031 Universal Air Pressure Switch
Supco NS2000031 Universal Air Pressure Switch
Regular price
$27.99 USD
Regular price
Sale price
$27.99 USD
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Supco NS2000031 Universal Air Pressure Switch
Low cost, high accuracy and reliable universal air pressure switch that replaces many small foot print type switches.
Features / 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.
http://www.unicontrolinc.com/CC%20PDFs/LITNS2-11.pdf
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Low cost, high accuracy and reliable universal air pressure switch that replaces many small foot print type switches.
Features / 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.
http://www.unicontrolinc.com/CC%20PDFs/LITNS2-11.pdf
Powered by eBay Turbo Lister
The free listing tool. List your items fast and easy and manage your active items.
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