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Posted

Attached is picture from todays inspection;

Gas; steam boiler about 45 years old. It looks like the rods extend into the flue, transfer heat out, fan kicks on and blows it out. I checked for carbon monoxide leakage but found none. Has anyone ever seen this before?

Darren

Chatham (Small).JPG

Posted

Darren - your pic didn't make it thru la la land, but this sort of thing is quite common in upper midwest. I have seen them usually on alternative fuel stuff like corn, pellets, tires, motor oil, etc.. Thrush Mfg had a whole line of recovery units.

Posted

Can't see the photo either.

I've thought about doing something like this myself at the furnace exhaust flue. I'd rivet passive radiant fins to the flue and a small fan to blow the air.

I asked my engineers about this, and they said the fan would consume more energy than I'd be saving. Oh well. I could always still do the fins with no fan.

Posted

Darren,

No photo here either. I have seen metal finned contraptions that are designed to clamp on a flue. The idea was to make the furnace room a little warmer but I never understood why that was needed. There is usually enough heat radiating off the furnace itself.

If you actually do come across something that extracts heat from the exhaust, better watch out for bad drafting. I would also think that rods passing through the flue would create an obstruction to draft.

George

Posted

Darren,

Let's start a support group for the poor souls who can't get a damn photo to post. You know, a 12 stepper. The first step is to admit that you can't get it to work, and you're powerless over it....

Brian G.

Image Posters Anonymous [:D]

Posted

Darren,

Holy-makel-der-andy.

I have no idea what you have there, but I would definately write up that Ameritherm vent damper for removal.

FYI: That flex connector would not be legal in Michigan.

George

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