Penn P32 Sensitive Pressure Switch

Description
This differential pressure switch is used to
sense pressure/air flow in ducts.
Features
easy-to-read setpoint scale
versatile mounting options
Applications
pressure/air flow proving with electric duct
heaters, humidifiers, and other equipment
maximum pressure/air flow control for variable volume systems
reheat duct powered systems
clogged filter detection
detection of icing of air conditioning coils and initiation of defrost cycle
sensitive pressure settings
dust-tight snap switch