This is a Brand New-in-the-Box UNIVERSALHOT SURFACE IGNITIONFurnace CIRCUIT BOARD This board goes on MANY furnaces and supercedes MANY older parts (Including White Rodgers Honeywell and Robertshaw Boards!)- See the list of older part #s replaced by this board below! Board comes with easy instructions! Please E-Mail us if you have any questions!
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.
HS780-17NL- 304A 306A 308A