Lennox Armstrong Ducane

This is a BRAND NEW-in-the-BOX Gas Furnace HSI (Hot Surface Ignitor) for Lennox/Armstrong/Ducane Furnaces. The Lennox/Armstrong/Ducane part # is 56W61 (also 56W6101) Simply unplug yours and plug this...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Furnace Fan Control Circuit Board. The Part # is 39M84 (also 39M8401). The Honeywell part # is ST9103A 1069. Thanks for looking and good...

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...

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...

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...

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,...

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...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Furnace HSI (Hot Surface Ignitor). Simply unplug yours and plug this one in! The Lennox/Armstrong/Ducane part # is 19W61 (also 19W6101). Thanks for...

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...

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...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Furnace HSI (Hot Surface Ignitor). Simply unplug yours and plug this one in! The Lennox/Armstrong/Ducane part # is 19W61. Thanks for looking and good...

This is a BRAND NEW Lennox/Armstrong/Ducane Furnace HSI (Hot Surface Ignitor). Simply unplug yours and plug this one in! The Lennox/Armstrong/Ducane part # is 41K56 768A-4 and 41K5601. Thanks for...