Wayne Combustion 64420-SER2 Ignition Control 30067439-890 though following the original wiring

though following the original wiring diagram is recommended for consistency

transmitting a DC microamp signal to the integrated furnace control to ensure safe and continuous operation

the Parker Hannifin 76725 is rated for general purpose use

What are the signs of a failing 50/7

Does this valve require a thermal expansion tank

Wayne Combustion 64420-SER2 Ignition Control 30067439-890 though following the original wiringThe Wayne Combustion 64420 SER2 is a direct OEM ignition control module engineered for Wayne Series 2 oil burner systems. As a critical primary control, it manages the oil burner startup cycle, ensuring precise ignition timing and continuous flame supervision. This module is the official service replacement for the 64420 002, designed to resolve common field issues such as intermittent ignition, flame failure lockouts, or complete no start conditions