Air-actuated switches may also be called air switches and are electromechanical devices that use air pressure supplied by an actuator to activate a mechanical switch. An air switch can be used to turn ...

You may never have heard of a furnace pressure switch, but it plays a critical role in preventing carbon monoxide produced by your heating, ventilation and air conditioning (HVAC) system from building ...

Description: liquid applications as they have a slight amount of fluid migration from the high to low pressure ports. 1020: Diaphragm models, for air or gas applications or where fluid migration ...