Lennox 14A46 Pressure Switch 321042-401 this valve offers superior reliability

this valve offers superior reliability for pneumatic systems and process automation requiring precise on/off fluid control

What causes a pressure switch error on Lochinvar or A

Always verify the terminal block connections and utilize the correct wire gauge to handle the high starting torque of a 14-ton load

Adjustable Sensitivity: The 10

Whether you are performing a HVAC drive repair or a system upgrade

Lennox 14A46 Pressure Switch 321042-401 this valve offers superior reliabilityThe Lennox 14A46 Pressure Switch is a critical OEM replacement part designed for high efficiency, multi stage HVAC systems. This 2 stage pressure switch (Model 104549 04) is factory calibrated to monitor vital combustion air pressures, ensuring the inducer motor is moving the correct volume of air for safe ignition and operation. With a high set point of 0. 81" W. C. and a low set point of 0. 45" W. C., this dual stage pressure switch provides the