here's a little something shared with me recently that I think should have it's own titled thread so it will search better by those working with this kind of situation in the future.
There is a Victorian solution for chimneys with out of control drafts. with the tall chimney stacks of yesteryear excessive, out of control draft was the common issue. what they did was along with the usual damper above the stove the added what was called a "pipe check".
you simply put a "T" fitting right on the stove exhaust collar. the exhaust pipe going up I put on one side of the "T" and an additional run of pipe is put on the lower side of the "T" and run down to near the floor parallel to the back pipe. at the bottom of this you put another MPD and if desired a cap to block it when needed. this allows an extreme draft to be controlled by this pipe check along with the damper(s) above the stove.
there you go, an old timey steady state Baro. that uses the coolest air in the room and is mostly out of sight.
Crazy, Excessive, Out of Control Flues and Draft
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And in Victorian kitchens they sometimes vented range hoods into the same chimney, too. Helped control draft while getting cooking odors and excess heat out of the kitchen.KingCoal wrote:here's a little something shared with me recently that I think should have it's own titled thread so it will search better by those working with this kind of situation in the future.
There is a Victorian solution for chimneys with out of control drafts. with the tall chimney stacks of yesteryear excessive, out of control draft was the common issue. what they did was along with the usual damper above the stove the added what was called a "pipe check".
you simply put a "T" fitting right on the stove exhaust collar. the exhaust pipe going up I put on one side of the "T" and an additional run of pipe is put on the lower side of the "T" and run down to near the floor parallel to the back pipe. at the bottom of this you put another MPD and if desired a cap to block it when needed. this allows an extreme draft to be controlled by this pipe check along with the damper(s) above the stove.
there you go, an old timey steady state Baro. that uses the coolest air in the room and is mostly out of sight.
With large ranges - some with double ovens and long cooktops, that were putting out so much heat, combined with two and three story houses with tall ceilings, the chimneys were very tall and the draft strength must have been amazing.
The Italianate mansion across the street had one such setup in it's very large kitchen. One 8 inch chimney thimble about a foot, or so above the other 8 inch thimble. 8 inch thimbles are only needed with extremely large ranges.
Before they recently remodeled, you could still make out the outline of the large range hood in the wall paint around the upper thimble.
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Makes me wonder if you could take it a step farther and pass the pipe right to the outside and avoid drawing the cold air into the structure. Instead of outside air for combustion it would be outside air for draft control.KingCoal wrote:here's a little something shared with me recently that I think should have it's own titled thread so it will search better by those working with this kind of situation in the future.
There is a Victorian solution for chimneys with out of control drafts. with the tall chimney stacks of yesteryear excessive, out of control draft was the common issue. what they did was along with the usual damper above the stove the added what was called a "pipe check".
you simply put a "T" fitting right on the stove exhaust collar. the exhaust pipe going up I put on one side of the "T" and an additional run of pipe is put on the lower side of the "T" and run down to near the floor parallel to the back pipe. at the bottom of this you put another MPD and if desired a cap to block it when needed. this allows an extreme draft to be controlled by this pipe check along with the damper(s) above the stove.
there you go, an old timey steady state Baro. that uses the coolest air in the room and is mostly out of sight.