Lennox 11J14 0.75" Pressure Switch

The Lennox 11J14 0.75 Inch Pressure Switch is an essential part that is used in HVAC systems with special emphasis on furnaces and air handlers. This switch measures pressure in the system so that the blower and other related parts can run safely and at optimum efficiency. It controls electrical circuits when the system pressure is at a certain level to optimize the system’s performance. The main task of the tripping element is to identify such problems as obstacles and airflow problems so that the system can operate effectively and safely.