Midco International 641812 Spark Rod Assembly 320720-756 Always verify the pitch of

Always verify the pitch of your existing fan blade before installation

For commercial HVAC systems

and an outside diameter of 21 inches

Precision Threaded Connections: Features standard 1" NPT boiler connections and integral tappings for gauge glass installations

you should look toward the A19 series or other A70 models with adjustable screws

Midco International 641812 Spark Rod Assembly 320720-756 Always verify the pitch ofThe Midco International 641812 Spark Rod Assembly is a critical ignition component engineered for high demand industrial heating applications. Designed specifically for the Economite RE4400DS HTD burner, this assembly ensures consistent spark delivery to initiate efficient combustion cycles. As a veteran grade HVAC replacement part, it is built to withstand the extreme thermal cycling and high voltage environments typical of commercial heating