Trane MOT18990 Motor 319848-301 the auto-stroke detection system allows

the auto-stroke detection system allows this 24VAC floating actuator to adapt to various terminal unit valves and pressure-independent control valves (PICV) with variable strokes

Enhanced Ignition Reliability: The spark-to-pilot ignition design provides consistent natural gas burner startup even in cold-cycle conditions

maintaining precise manifold pressure is non-negotiable for clean combustion

Precise Fit: Genuine S1-6HK16502506 OEM design ensures proper airflow clearances and prevents the nuisance tripping common with aftermarket kits

This shell is designed for standard 48 cubic inch cores

Trane MOT18990 Motor 319848-301 the auto-stroke detection system allowsThe Trane MOT18990 Motor is a direct drive, 1 6 HP condenser fan motor engineered for heavy duty HVAC applications within the residential and light commercial sectors. This permanent split capacitor (PSC) motor operates at 208 230V and a nominal 1060 RPM, providing reliable heat dissipation for outdoor condensing units. Built with a NEMA 48 frame, it features standard mounting configurations to ensure a drop in replacement for failed OEM motors.