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    Pressure  
 
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Low differential air pressure switches sense pressure, vacuum or differential pressure in applications including fan status, dirty filter monitoring, or frost build-up on coils.

AFS-222  Differential pressure switches SPDT contacts
Range 0.05" W.C. to 12.0" W.C.

AFS-262- Differential pressure switches have SPDT contacts
Range 0.05" W.C. to 2.0" W.C.
P74 A 30 psi. Differential pressure switches for air or liquids    

P74 B 60 psi  Differential pressure switches for air or liquids.
Water differential switches
24-013, NEMA 4 differential pressure switches SPDT contacts
10 psi differential range   
Flow Indication across chillers, water cooled condensers, and heating systems.

 

    
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