This is a BRAND NEW Lennox/Armstrong/Ducane Furnace Control Circuit Board. This is an aftermarket replacement for Lennox/Armstrong/Ducane part #s: 17G31 17G3101 34G66 & 34G6601. Board comes with a mounting kit new flame sensor and some wiring. Thanks for looking and good luck!
The control board is the "brain" of your unit, coordinating and executing the operation of other various components by sending voltage when and where needed. A control board is constantly monitoring sensors and safety switches in the unit.
17G31 17G3101 34G66 34G6601