Control Circuit Boards

This is a BRAND NEW OEM Lennox/Armstrong Furnace Fan Control Circuit Board. The Part # is 85W79 (also 85W7901). 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 Lennox/Armstrong/Ducane Furnace Ignition Control Circuit Board. The Part # is 23L53 (also 065312200). The Honeywell part # is 1097-504-I. Thanks for looking and good luck!Function:The control board is the "brain" of your unit,...

This is a BRAND NEW OEM Lennox/Armstrong Furnace Fan Control Circuit Board. The Lennox/Armstrong/Ducane Part # is 17W82 (also 17W8201). Thanks for looking and good luck!   Function: The control board is the "brain" of your unit, coordinating...

This is a BRAND NEW OEM Lennox/Armstrong Furnace Fan Control Circuit Board. The Lennox/Armstrong/Ducane Part # is 85W79. Thanks for looking and good luck!   Function: The control board is the "brain" of your unit, coordinating and...

This is a BRAND NEW OEM Lennox/Armstrong Furnace Fan Control Circuit Board. The Lennox/Armstrong/Ducane Part # is 17W82 (also 17W8201). Thanks for looking and good luck!   Function: The control board is the "brain" of your unit, coordinating...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Furnace Control Circuit Board. The Part # is 94W83. Thanks for looking and good luck!Function:The control board is the "brain" of your unit, coordinating and executing the operation of other various...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Furnace Ignition Control Circuit Board. The Part # is 23L53 (also 23L5301). The Honeywell part # is 1097-504-I. Thanks for looking and good luck!Function:The control board is the "brain" of your unit,...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Furnace Ignition Control Circuit Board. The Part # is 23L53 (also 23L5301). The Honeywell part # is 1097-504-I. Thanks for looking and good luck!Function:The control board is the "brain" of your unit,...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Furnace Ignition Control Circuit Board. The Part # is 21W14 (also 21W1401). The Honeywell part # is 1097-610-I. Thanks for looking and good luck!Function:The control board is the "brain" of your unit,...

This is a BRAND NEW OEM Lennox/Armstrong Furnace Fan Control Circuit Board. The Lennox/Armstrong/Ducane Part # is 17W82 (also 17W8201). Thanks for looking and good luck!   Function: The control board is the "brain" of your unit, coordinating...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Furnace Ignition Control Circuit Board. The Part # is 21W14 (also 21W1401). The Honeywell part # is 1097-610-I. Thanks for looking and good luck!Function:The control board is the "brain" of your unit,...

This is a BRAND NEW Lennox/Armstrong/Ducane Defrost Control Circuit Board. The Part # is 84W88 (also 84W8801). Honeywell part # is 1084-851 (also 1084-83-8513A) Thanks for looking and good luck!Function:The control board is the "brain" of your unit,...