Honeywell 221818A Burner Control 7800 Series Module (Cut Cable) is a burner control module from Honeywell’s 7800 Series family. The 221818A part number identifies this specific module, and the “Cut Cable” designation indicates the wiring harness is supplied in a cut configuration. This module functions as the control component within compatible burner systems, delivering the essential control logic associated with Honeywell’s 7800 Series burner control technology.
