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Description
White-Rodgers model 770-3 dual-purpose pressure-sensing air switch designed to respond to positive, negative, or differential air pressure. Features an adjustable 0.05-12 in. W.C. operating range, SPDT switching, 15A resistive electrical rating, and maximum pressure of 1/2 PSI. Suitable for HVAC airflow proving, draft monitoring, humidifiers, refrigeration equipment, process drying, and related pressure-monitoring applications. Includes the original box, instruction sheet, tubing, and pictured connection hardware.
| Specifications | |
|---|---|
| Model | 770-3 |
| Made In | UNITED STATES |
| Condition | Used |
| Other Specifications |
|---|
|
Switch Type: SPDT (Single Pole Double Throw) Pressure Operation: Positive, negative, or differential pressure Adjustable Operating Range: 0.05-12 in. W.C. Maximum Pressure: 1/2 PSI Electrical Rating: 15 A at 125/250/277 VAC, non-inductive Motor Rating: 1/4 HP at 125 VAC; 1/2 HP at 250 VAC Control Set Point: Adjustable Operating Temperature: -40°F to 180°F (-40°C to approximately 82°C) Sample Line Connection: Designed for 1/4 in. O.D. tubing Sample Line Connector Thread: 7/16"-24 male external thread Conduit Opening: 7/8 in. diameter opening accommodating 1/2 in. conduit Diaphragm: Enclosed |
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