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Key Benefits Dual 100VA Output: Supplies independent 24 Vac power via two specialized transformers for complex control loops
and calibration springs for immediate field deployment
Corrosion-Resistant Construction: Durable bronze unibody and brass trim withstand harsh hydronic conditions
25-inch by 3-inch mounting plate
York S1-025-31978-000 Damper Actuator Refrigerant Key Benefits Dual 100VA Output:The 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