Lennox 12M92 Pressure Switch 0.70"

The Lennox 12M92 is a pressure switch to monitor pressure in HVAC systems and it is used in HVAC systems. when air pressure in the HVAC system is increased to a certain level the switch is triggered.This electrical signal operates the system either to on or off position ensuring that the safety and efficiency of the system are retained. air pressure in the HVAC system reaches a certain level the switch triggers. This electrical signal turns the system on or off, depending on its setting, maintaining safe and efficient operation. In other words, the acts as a safety device and an economy device for your HVAC system.