Lennox 24W98 Pressure Switch SPST -.31" WC

The Lennox 24W98 is a pressure switch that is (SPST) and is used in HVAC systems. It measures pressure inside the system and activates electrical parts depending on the set pressure. At a certain point of air pressure, normally -0.31 inches wc, the switch turns on or off an electrical circuit in the case of the 24W98. This regulates things like furnace burners or air handlers, to keep the air going at a steady rate and to keep your heating and cooling system running properly. Some of the advantages of using the Lennox 24W98 pressure switch include; reliability and safety of the system by protecting equipment from abnormal pressure, comfort achieved by ensuring correct airflow and efficiency due to correct operation of equipment depending on pressure reading.