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Author Topic: Heatmor 400 BTU extraction  (Read 701 times)

heat550

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Re: Heatmor 400 BTU extraction
« Reply #15 on: December 31, 2017, 11:01:09 AM »

With slabs shut down it creeps up to 15 degrees . so 140f to 160f is set point . But it creeps to 175f burning slabs I'm still tinkering with it at subzero temps outside . Oak slabs it seems to depend on how many coals are in there . more coals the more it creeps at shut down . These are dry bark free oak slabs . went thru about 3.5 bundles so far sence about 2 weeks ago. Very cold weather here . they burn way hotter then I thought they would. At this point I can not totally fill the stove gets to wild . I need to put adjustable duct on draft fans to slow things down .

Heat550

Just to clarify, what is your low and high temps set on the aquastat?
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heat550

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Re: Heatmor 400 BTU extraction
« Reply #16 on: January 05, 2018, 09:46:30 AM »

This might give you a idea what burning hot is.
Heat550
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willieG

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Re: Heatmor 400 BTU extraction
« Reply #17 on: January 07, 2018, 08:02:27 PM »

I hope that isn't that twist together double wall stainless chimney pipe, if it is, it wont take that kind of heat for long
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home made OWB (2012)
Ontario Canada

heat550

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Re: Heatmor 400 BTU extraction
« Reply #18 on: January 08, 2018, 05:30:39 PM »

Ok what's going to happen ?  I have fan covers to install tomorrow to slow the air down .

Heat550

survived the polar vortex .
« Last Edit: January 08, 2018, 05:33:02 PM by heat550 »
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willieG

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Re: Heatmor 400 BTU extraction
« Reply #19 on: January 08, 2018, 06:39:52 PM »

maybe they make it better now?, but I had a glass door fire place years ago and I would leave the draft open on cold nights and just let it roar, in early spring when cleaning out the ash one day I notice insulation in the ash, unscrewed the pipes and found the one just as the pipes exited the attic had a hole near the bottom. not sure how long it had been like this but I guess with no insulation between the layers I was lucky I never set the roof on fire!
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home made OWB (2012)
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heat550

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Re: Heatmor 400 BTU extraction
« Reply #20 on: January 08, 2018, 08:14:59 PM »

Oo wow mines on the boiler .. it only does it when stoves going from 70 to 150f on water temp ya long burn . And if I put to big  flat piece of slabs over the grate. And at -20f .needs to be settled down a bit with draft doors on draft fans.

Heat 550
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heat550

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Re: Heatmor 400 BTU extraction
« Reply #21 on: January 12, 2018, 04:10:46 AM »

Ok heats going in to water now . had to block off 1/2 of the front draft fan . This means slowed down draft to under grate and above grate . Theres a lot of BTUs to deal with when comes to oak slabs  :thumbup:

no more cherry red rain cap .. so its unbelievable how much everything had to be slowed down .
I would of never guess it had to be slowed down that much . :bag:

Heat550
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