this 42-frame OAO (Open Air Over) motor delivers a nominal 1075 RPM and multiple speed selections for proper airflow adjustment across heating

This direct drive blower motor supports flexible installations with its dual voltage 120/240V capability

ensuring a drop-in solution for legacy Barber Colman infrastructure

and mounting nuts

Lennox 51M87 Pressure Switch 323055-751 this 42-frame OAO (Open AirThe Lennox 51M87 is a precision engineered furnace pressure switch designed for critical venting safety within Lennox HVAC systems. This 1. 6" WC SPDT N. O. pressure switch functions as a fail safe, ensuring the inducer motor is generating adequate static pressure before allowing the ignition sequence to proceed. The 51M8701 is the identical direct replacement, maintaining the exact factory set point of 1. 60 inches of water column. As a Single Pole