Summer and Winter Vents

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JohnnyAsbury
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Post Thu. Jun. 19, 2008 4:48 pm

I was worried about the white vinyl siding getting black in the winter, so here is my solution.
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Devil505
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Post Thu. Jun. 19, 2008 4:58 pm

Why do you have the 90* elbow turned to face the end down instead of up? (I would think you'll just blacken the end very quickly & if you're worried about fly ash building up in the elbow, a once a year dumping should take care of it)
Am I missing a basic HVAC principle here??

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JohnnyAsbury
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Post Thu. Jun. 19, 2008 5:05 pm

Because, if I turned it up, the rain would come in....
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Devil505
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Post Thu. Jun. 19, 2008 5:38 pm

JohnnyAsbury wrote:ecause, if I turned it up, the rain would come in....
How about fitting a rain cap? (not being a wise guy here but I'd be concerned that facing down would make it draw harder and make more work for the power vent....No?)

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JohnnyAsbury
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Post Thu. Jun. 19, 2008 6:28 pm

Good question. If I turned it up with a 90 and put a round rain cap on, then it wouldn't be facing away from the house.. Would it really make the DV work harder the way it is now ?

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gambler
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Post Thu. Jun. 19, 2008 9:24 pm

That is a common setup for corn/pellet stoves and they are direct vent appliances. When the vent is pointed down it forces the ash to the ground. If you point it up the wind will be able to blow the ash around and you will end up with it all over your siding. Ask me how I know this. (I ran a corn/pellet stove for several years)


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Devil505
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Post Thu. Jun. 19, 2008 9:33 pm

JohnnyAsbury wrote:Good question. If I turned it up with a 90 and put a round rain cap on, then it wouldn't be facing away from the house.. Would it really make the DV work harder the way it is now ?
I guess you should listen to members experienced in power venting their coal stoves for the answer. I have a chimney so I am no expert on power venting.......but that potential problem kinda jumped out at me.

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coal berner
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Post Fri. Jun. 20, 2008 1:59 am

JohnnyAsbury wrote:I was worried about the white vinyl siding getting black in the winter, so here is my solution.
You are burning Anthracite Right you will have Nothing coming out of the pipe but gases I don't even think the fly ash will make it that far most of it will be in you Pipe and stove If you have black smoke coming out it is not Anthracite coal

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ceccil
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Post Sun. Jun. 22, 2008 12:20 am

I have some blackening on my siding and I burn anthracite. My siding is aluminum and faded anyway so it doesn't bother me at this point. When I get new windows and siding, it will be a different story. My vent only comes out approx. 1.5 ft and I think they recommend 3 ft so this is my fault. I'm not sure that it's the burning of coal that has done this though. I use starter bags when I light up. I have been told (not sure though) that these bags contain bituminous coal which starts much easier thus starting the anthracite. Also the fact that its in a paper bag which creates smoke until it burns away. Planning on hooking to chimney this year and eliminating the direct vent. I have a pic of the discoloring.
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Devil505
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Post Sun. Jun. 22, 2008 7:25 am

JohnnyAsbury wrote:If I turned it up with a 90 and put a round rain cap on, then it wouldn't be facing away from the house..
Get an adjustable 90* elbow & twist it enough to face away from the house. (Maybe like 45* or so)

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