Lennox 10B73 Module Kit 321702-401 Bard uses "BX" to denote

Bard uses "BX" to denote individual boxed packaging

The Johnson Controls P170DA-400 Pressure Control is a heavy-duty high pressure cutout switch engineered for critical over-pressure protection in commercial refrigeration and HVAC systems

While light carbon can be removed

depending on the specific media type

Is the Carrier EA36YD131 compatible with older R-22 systems

Lennox 10B73 Module Kit 321702-401 Bard uses "BX" to denoteThe Lennox 10B73 Module Kit is a direct OEM variable speed motor control replacement engineered for high efficiency HVAC units. This Lennox blower motor module serves as the processing hub for ECM motors, communicating with the furnace or air handler control board to modulate airflow based on real time demand. High quality HVAC motor controllers like the 10B73 are critical for maintaining static pressure balance and preventing premature motor failure