Lennox 14A46 Pressure Switch 2-Stage -0.81/-0.45

The Lennox 14A46 Pressure Switch is a safety device that is manufactured to be used in Lennox HVAC systems only. This two-stage pressure switch helps to control the pressure within the system to avoid any mishap while working. It has two initial settings to control pressure and avoid failures. The high set point is 0.81 Inch Water Column and the low set point is 0.45 Inch WC. Should the air pressure levels go higher or lower than these parameters, the triggers the electrical controls to adjust and maintain the safe pressure level. The switch has Single Pole, Normally Open contact arrangement with the current rating of 5A Resistive at 24V AC.