Search results

1990 F350 with 7.3 IDI

My setup is pretty similar to yours. I have one of the ducts blowing into the basement though and the other is tied into the central system. My chimney is also about 20' with a liner. I only have the top 4' insulated . The automatic damper is a real pain on these furnaces.

I pack mine with wood at night. I try to use the larger pieces that I have for overnight burns... Stuff that will barely fit through the door. I leave the ash pan spinner open about 1/2 turn. The automatic damper is usually shut by that time after burning all day. I can get a load to last...