Utica-Dunkirk AC-3940-47 Flame Sensor Kit 322027-701 and its unique design allows

and its unique design allows for horizontal mounting without the need for dead-on leveling

ensuring that the expansion valve accurately senses the pressure at the coil outlet for more precise superheat management compared to internal versions

offering a reliable alternative to cycling fans or using dampers

Its precision fit ensures compatibility with specified ASCO RedHat valve series

314-inch bore

Utica-Dunkirk AC-3940-47 Flame Sensor Kit 322027-701 and its unique design allowsThe Utica Dunkirk AC 3940 47 Flame Sensor Kit is an essential OEM replacement part engineered for precise flame rectification in high efficiency gas fired furnaces and boilers. This critical safety component monitors the burner's combustion process, ensuring the gas valve remains open only when a consistent ignition source is detected. Designed with a robust high temperature rod, the sensor operates reliably across a temperature range of 40 to 185