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itaniumonline t1_ivf00hc wrote

How does it work more or less?

It just looks like a box.

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ladyofthelathe t1_ivg8dem wrote

It has a box inside the box... cast iron? I think? Inside that it is lined with fire blocks. Has a grate in the floor of it so ashes can fall through to an ash pan, which slides out and you can dump your ashes outside or wherever. Cast iron door will have a fiber 'seal' that runs all the way around it.

Should have a 'damper' on it which controls the airflow. You open it wide open when starting a fire or you want the fire to kick up, dial it down almost all the way at night or enjoy sweating all night long.

Chimney gets cleaned regularly, just like with any wood stove or fireplace.

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itaniumonline t1_ivgj9ev wrote

Thank you. I had no clue.

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ladyofthelathe t1_ivglhku wrote

You're welcome. Ashley (brand, but not the furniture people, I don't think) still makes them to this day. They are NOT attractive at all, very function over form, but quite effective. Used properly, with a good hardwood, like seasoned red oak, they can heat an entire house and not burn through a ton of wood.

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TMKF2 t1_ivi76ta wrote

Ours had two dampers: one that has a handle on the outside, and another that’s connected to a bimetallic spring assembly. The one on the spring can be adjusted like a thermostat to open and increase airflow when the furnace cools and close when it gets super hot.

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TheNaziSpacePope t1_ivfxike wrote

It is just a freestanding square fireplace-thing with probably baffles up top to create some warm airflow.

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