Utica-Dunkirk 240006939 Vent Damper 30067439-890 What causes a York rollout

What causes a York rollout switch to trip at 225°F

The Honeywell 32006803-002 Fan Assembly is a precision-engineered Frame Size 4 cooling fan designed specifically for integration with Honeywell NXS and NXL Series VFDs

The Johnson Controls P70CA-2 Pressure Control is a heavy-duty

Multi-Refrigerant Compatibility: Supports a wide range of refrigerants including R22

Key Benefits for Technicians OEM Compatibility: Precision engineered for seamless integration into York furnace control circuits and high-efficiency air handlers

Utica-Dunkirk 240006939 Vent Damper 30067439-890 What causes a York rolloutThe Utica Dunkirk 240006939 is a 7 inch automatic vent damper engineered for gas fired atmospheric boilers and furnaces to prevent standby heat loss. This electro mechanical flue damper utilizes a 24VAC synchronous motor and a specialized damper blade actuator to seal the venting system when the burner is off, effectively maintaining boiler water temperature and improving Seasonal Energy Efficiency Ratio (SEER) ratings. Designed as a direct OEM