Drolet Heatmax 2 rust hole

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Gbawol42

Burning Hunk
Dec 16, 2018
144
Northern Michigan
There are bagillions of these furnaces out there and we aren’t seeing this problem regularly so it could be a defect or something unique about this installation. SBI should be more helpful but I wouldn’t expect them to just send a replacement that might suffer the same fate.
I'm not asking for a handout, but I truly feel it was installed correctly, and I burned this furnace properly. So I want to know (and perhaps warn others) what happened. If it was just from cleaning it really should be known that this could happen if not overly cleaned all the time.
 

brenndatomu

Minister of Fire
Aug 21, 2013
7,523
NE Ohio
If it was just from cleaning it really should be known that this could happen if not overly cleaned all the time.
As I mentioned above...most of where that rusted out is behind the bricks, and behind the bricks is a thin piece of ceramic insulation...which will have to be replaced if you are going to be cleaning behind that...and I have never seen or heard of anyone at SBI recommending that...
 

bholler

Chimney sweep
Staff member
Jan 14, 2014
30,290
central pa
I'm not asking for a handout, but I truly feel it was installed correctly, and I burned this furnace properly. So I want to know (and perhaps warn others) what happened. If it was just from cleaning it really should be known that this could happen if not overly cleaned all the time.
Did you burn coal treated wood or anything else abnormal in the firebox? I have never seen that level of deterioration in any stove that fast. The air channel looks melted it's an odd one.