Lennox 14A43 2-Stage Pressure Switch

The Lennox 14A43 Pressure Switch is an essential part of that enhances safety while maximizing operational efficiency in HVAC system. The two-stage pressure switch performs dual functions to check system pressure levels and maintain safe operational parameters. The system receives automatic signals from this pressure switch during high or low-pressure detection to adjust operations or shutdown and protect equipment while maximizing operational efficiency. This part offers adjustable set points of 0.90" WC. for high pressure and 0.45" WC. for low pressure which enables its use across residential and light commercial HVAC systems. Implementing this pressure switch leads to better energy efficiency combined with lower operational expenses and more reliable HVAC system operations.