Greenheck 460509 Pressure Switch 2" WC

The Greenheck 460509 2” Pressure Switch W.C. is a mandatory element in an HVAC system that helps to manage pressure in a particular range, that has reliability and durability when built using steel and plastic, especially in dealing with environmental conditions. This pressure switch operates in a manner that it measures changes of pressure in the air, which is normally measured in terms of inches of water column. They turn on or off other circuits that control fans, dampers or some other HVAC apparatus when the pressure at certain fixed points.