Control Circuit Boards

This is an Anti-Short Cycle Delay Timer Relay Board. It replaces the obsolete Intertherm/Nordyne/Miller # 621586 (also 621-586C & 914096). You will receive the black board, which replaces the board shown in the second photo. This board protects...

This is a brand new Honeywell furnace control board designed to work with many Intertherm/Nordyne/Miller/Tappan/Gibson/Frigidaire/Westhinghouse furnaces. The board comes with instructions and wires very easily. You will only use one of wiring harnesses...

This is a brand new Honeywell furnace control board designed to work with many Intertherm/Nordyne/Miller/Tappan/Gibson/Frigidaire/Westhinghouse furnaces. The board comes with instructions and wires very easily. You will only use one of wiring harnesses...

This is a brand new Honeywell furnace control board designed to work with many Intertherm/Nordyne/Miller/Tappan/Gibson/Frigidaire/Westhinghouse furnaces. The board comes with instructions and wires very easily. You will only use one of wiring harnesses...

This is a brand new Honeywell furnace control board designed to work with many Intertherm/Nordyne/Miller/Tappan/Gibson/Frigidaire/Westhinghouse furnaces. The board comes with instructions and wires very easily. You will only use one of wiring harnesses...

This is a brand new Honeywell furnace control board designed to work with many Intertherm/Nordyne/Miller/Tappan/Gibson/Frigidaire/Westhinghouse furnaces. The board comes with instructions and wires very easily. You will only use one of wiring harnesses...

This is an Anti-Short Cycle Delay Timer Relay Board. It replaces the obsolete Intertherm/Nordyne/Miller # 621586 (also 621-586C & 914096). You will receive the black board, which replaces the board shown in the second photo. This board protects...

This is a brand new Honeywell furnace control board designed to work with many Intertherm/Nordyne/Miller/Tappan/Gibson/Frigidaire/Westhinghouse furnaces. The board comes with instructions and wires very easily. You will only use one of wiring harnesses...

This is an Anti-Short Cycle Delay Timer Relay Board. It replaces the obsolete Intertherm/Nordyne/Miller # 621586 (also 621-586C & 914096). You will receive the black board, which replaces the board shown in the second photo. This board protects...

This is a BRAND NEW Intertherm/Nordyne/Miller AC/HP Control Circuit Board. Part # is 624625 (also has part # 1130-83-101D). Thanks for looking and good luck!Function:The control board is the "brain" of your unit, coordinating and executing the operation...

This is a BRAND NEW Intertherm/Nordyne/Miller Furnace Control Circuit Board. Part # is 903429 (replaces all the old Part #s below). Thanks for looking and good luck!Function:The control board is the "brain" of your unit, coordinating and executing the...

This is a BRAND NEW OEM Intertherm/Miller/Nordyne Furnace Ignition Control BoardThe Intertherm Part # is 626421 (replaces all the old numbers listed below). Many boards have a -0 -A -B or -C ect after the main 6 digit part numbres- this board replaces...