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System Protection: Prevents burner operation during inducer motor failure or flue blockage
preventing short-cycling and optimizing airflow delivery across the heat exchanger assembly
Durable Construction: Features a robust copper heating surface and premium gaskets to withstand thermal stress and resist mineral scale accumulation in hard water environments
As an OEM York furnace replacement part
With a versatile adjustable pressure range of
Johnson Controls D-4073-2 Damper Actuator Freon System Protection: Prevents burner operationThe Johnson Controls D 4073 2 Damper Actuator is a heavy duty pneumatic piston damper actuator engineered for precise positioning in unit ventilators, VAV terminal units, and small ventilating systems. This multipurpose positioning device features an 8 13 PSI spring range and a reliable 3" stroke, providing the necessary mechanical force to operate dampers up to 6. 75 square feet for proportional control or 11. 7 square feet for two position