The internal pressure switch in the control kit will detect the loss of negative pressure and immediately break the circuit to the gas valve

this OEM part is specifically optimized for Trane and American Standard footprints and electrical tolerances

reducing the risk of wiring errors and moisture ingress at the connection point

1050 RPM single-stage or multi-tap motor and is not a direct substitute for ECM (Electronically Commutated Motors)

verify your control logic voltage matches the 208V requirement to prevent overheating or failure to pull in the plunger

Trane MOT18974 Motor 321894-709 The internal pressure switch inThe Trane MOT18974 Motor is a high performance 1 20 HP blower motor engineered for specific Trane and American Standard air handlers and light commercial fan assemblies. Operating on a standard 115V single phase power supply, this 1050 RPM unit features a 3 speed configuration (Low, Med, High), allowing contractors to fine tune airflow delivery based on static pressure requirements and system demand. Designed with a 42 frame rolled steel body and an