Lennox 68493 Pressure Control 285 PSIG-CI 140 PSIG-CO

The Lennox 68493 Pressure Control is a safety device that is meant for the HVAC equipment to control the pressure of the unit. This part is essential since it is designed to switch on at 285 psig and switch off at 140 psig. This way, one is protected from pressure Build up or lack of pressure which may lead to compromise of performance. In layman’s terms, it checks that your HVAC system is not under too much pressure, protecting the equipment and its ability to work properly.