SPDT Air Pressure Switch Fixed at 0.05" W.C.
Cleveland AFS and FS Air Pressure Switch

More about this product
The DFS-221 is an airflow proving switch designed for duct heater, oven, and other HVAC or Energy Management applications where a nonadjustable switch is desirable. It is especially suitable for surface‑mounting in areas where internal access is limited. It can be used to sense positive, negative, or differential air pressure.
Details:
- Snap-acting SPDT switch
- Two slip-on sample line connections, suitable for ³⁄₁₆" or ¼" ID flexible plastic tubing
- Fixed to operate on pressure rise @ 0.05 ± 0.02" W.C.
- Open mount switch terminals
- Standard foot bracket mount
- Maximum Pressure: ½ psi (0.03 bar).
- Operating Temperature Range: -40 ºF to 180 ºF (-40 ºC to 82 ºC).
- 100,000 cycle minimum lifespan at ½ psi maximum pressure each cycle and at maximum rated electrical load.
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Manufacturer Info
Cleveland