York S1-025-31978-000 Damper Actuator Refrigerant F manual reset limit switch

F manual reset limit switch features a 2-pole configuration

Vibration Dampening: Precision fits reduce mechanical noise and prevent hardware from loosening during long heating cycles

Corrosion-Resistant Construction: Durable bronze unibody and brass trim withstand harsh hydronic conditions

and calibration springs for immediate field deployment

Key Benefits Dual 100VA Output: Supplies independent 24 Vac power via two specialized transformers for complex control loops

York S1-025-31978-000 Damper Actuator Refrigerant F manual reset limit switchThe York S1 025 31978 000 Damper Actuator is a professional grade 24V HVAC actuator specifically engineered for high cycle performance in bypass and zone controlled systems. This OEM York replacement part provides the precise torque required to modulate damper blades, ensuring balanced static pressure and efficient airflow management across multiple duct zones. Built for seamless integration with zoning system controllers, the S1 025 31978 000