Lennox 82M33 SPST Pressure Switch 1.25" WC

The Lennox 82M33 Pressure Switch is a safety device in your Lennox HVAC system. It also has the function of a safety switch that with the single-pole, single-throw connection, measures air pressure. Intended for 1.25 inches WC pressure, the switch turns off the furnace when air pressure is low from the set point. This keeps the system safe from any harm that may occur and safe for you by ceasing the furnace from breaking down. The pressure switch ensures that the air pressure is kept at its better hence ensuring that your Lennox HVAC system is efficient and performs as expected.