Many times the thermostat wires will short out against the body of the furnace or air conditioner.
Furnace control board fuse.
Doing it yourself is very tempting so let s look at a few things needed to do it.
We have a really good tool that you can use to save fuses when troubleshooting low voltage shorts called the lil popper.
Quality lennox furnace parts from repair clinic.
It isn t the hsi inducer or blower motor as these are all high voltage parts not low voltage.
I removed the control board and found that the fan relay had burnt out.
3amp fuse blowing on goodmen furnace board replaced blower motor transformer filter capacitor control board a.
The video i watched showed exactly where to remove the wires from the old relay and plug them into the new fan blower control board.
I got the part number off of the board and typed it into amazon search.
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Once complete i snapped the board into the pre drilled mounting holes on my unit plugged the fuse block back in turned on the circuit breaker and adjusted the thermostat.
We ve built our brand with the know how to get you the right part for every repair on time every time.
If you are a home diy type of person furnace control boards can be bought online for 50 250 dollars depending on the furnace.
Furnace control board designed for goodman and janitrol brand 80 percent and 90 percent afue furnaces with b18099 xx series control boards.
Repairclinic is the leader in lennox furnace parts we have over three million parts in stock including blower motors heat pumps thermostats and much more.
The control monitors and sequences operation and offers 100 percent gas shutoff in case of ignition failure.
These furnace control boards and fan blower controls replace oem control boards in direct wire for wire replacement.
Adhesive axle roller shaft wheel bearing belt blower wheel fan blade bracket flange cap lid cover capacitor circuit board timer cleaner deodorizer compressor sealed system door drip bowl drip pan duct venting fastener filter fuse thermal fuse breaker gas burner control valve gasket seal grille kickplate handle.
With the exception of the mounting points this board seems to be an exact replica of the honeywell st9120c4057 control board that was in my furnace.
Also replaces select control board models from ti utec and white rodgers.
