Use terminals H and L for differential control and ensure the ground (G) connection is solid to the vessel or common probe

they should be sourced separately to ensure a complete pneumatic seal

You can verify continuity across the relevant terminals using a multimeter during the opening cycle

or inadequate draft conditions

With a robust 50 VA rating

Trane MOT11256 Motor 320788-702 Use terminals H and LAs a veteran tech, you know that keeping high efficiency equipment online requires precision, and the Trane MOT11256 is the exact OEM variable speed motor needed for critical air handler and furnace repairs. This 3 4 HP ECM motor operates on 115V single phase power, delivering the exact torque and airflow modulation required by integrated control boards to maintain static pressure. Designed for a 48 frame mount, this CCW rotation motor features an