this motor is a PSC (Permanent Split Capacitor) design and requires an external 4 MFD / 370V capacitor

this SPDT limit control features an automatic reset function that ensures the system returns to normal operation once temperatures stabilize within the safe functional window

Does it require specific linkage for installation

this is an X-13 motor board designed for constant torque motors that use 24V discrete taps

Is this compatible with 80% AFUE models

Armstrong Furnace 20274507 Pressure Switch 328140-751 this motor is a PSCThe Armstrong Furnace 20274507 Pressure Switch is a high performance, OEM replacement part specifically engineered for HVAC systems operating in elevated environments. This high altitude pressure switch is a critical safety component designed to monitor and regulate internal air pressure, ensuring that your furnace operates within its designated airflow parameters to prevent hazardous exhaust buildup. By accurately sensing atmospheric changes, it