Technical Specification Item Air Sensing Switch Type Duct Pressure Switch Differential In WC /- 002 Switch Type SPST Pressure Setting Range In WC 05 Electrical Rating 24 and 277 VAC 15 Amp Sample Line Connector Barbed Height In 3-1/16 Dia In 145 Mounting Location With Diaphragm Vertical Operating Temp Range F -40 to190 Application Senses Positive Air Pressure in a Duct to Activate a Duct Booster Fan Electronic Air Cleaner or Humidifier This listing is for each