Stove Pipe Direction

Modern and vintage hand fired coal stove are similar to a wood stove and in some cases can burn either. They need to be regulated and fed by hand usually every 12 to 24 hours depending on your usage. They require no power to operate making them ideal for rural settings with long power outages.
PJT
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Post Wed. Dec. 26, 2012 12:55 am

Which is the proper way to point the stovepipe....male end towards the stove or away from the stove? :|

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coalslick
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Post Wed. Dec. 26, 2012 5:14 am

Crimped end to stove(male)

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freetown fred
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Post Wed. Dec. 26, 2012 7:48 am

Yup, that's old school & been working for many, many years. More importantly, it's the way I do it. :clap: toothy
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fifthg
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Post Wed. Dec. 26, 2012 7:56 am

so that if rain water runs down pipe,it won't seep thru pipe joint
Do it the hard way.It's easier.

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freetown fred
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Post Wed. Dec. 26, 2012 7:59 am

That's why they make caps. As for the seams, notice the lil lip right above the male crimping. :)
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PJT
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Post Wed. Dec. 26, 2012 8:41 am

whats the lip for?

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Coalfire
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Post Wed. Dec. 26, 2012 9:11 am

Male end goes away from stove when buring coal

Eric

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KLook
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Post Wed. Dec. 26, 2012 9:28 am

Male end goes away from stove when buring coal
:roll: Here we go! :P

I was taught male down, but thinking about coal and having no moisture running down the pipe, I can see that it might make no difference. Just if anything comes down the pipe, male down will keep it in the pipe easier. Draft wise, it makes no difference. Most guys seal the joints and then put a great big hole called a Barometric in it. :roll:

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coalkirk
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Post Wed. Dec. 26, 2012 9:42 am

OK, I'll settle it. For wood, male end down, for coal male end up. It doesn't matter how someone was taught or how they've always done it. This is the correct way. :P
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Burning rice coal in a 1981 EFM DF520, nut coal in a hand fired Jotul 507.

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KLook
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Post Wed. Dec. 26, 2012 9:47 am

I can see that it might make no difference
It doesn't matter how someone was taught or how they've always done it. This is the correct way.
:D Just waiting for the acerbic Sting to weigh in! :P

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Lightning
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Post Wed. Dec. 26, 2012 10:10 am

Mine are male end toward the furnace outlet, only because thats the end that fit when I started assembling the pipe lol. I think this is the proper way for wood, so when condensation from moisture in the wood forms on the inside of the pipe, it won't seep out and run down the outside of the pipe which would make a huge ugly mess...

I don't know why you would need the male end the other way for coal.. As long as you maintain negative pressure in the pipe and seal the joints with high temp silicone or foil tape there shouldn't be any danger for leaking carbon monoxide. Hopefully somebody with more knowledge about this issue will chime in :)

I'm gonna take a stab at it and say its so rain can't run into the pipe joints, mix with fly ash and creat sulfuric acid to eat the pipe up lol. But, stove pipe shouldn't be exposed to the outside anyways hahaha...

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Post Wed. Dec. 26, 2012 10:37 am

For coal any way you want it, or sometimes the only way it will fit.

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I'm On Fire
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Post Wed. Dec. 26, 2012 12:24 pm

franco b wrote:...., or sometimes the only way it will fit.
That's how my stove is.

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Yanche
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Post Wed. Dec. 26, 2012 12:47 pm

My opinion is to have the stovepipe male end pointed towards the chimney thimble. Why? When there's a coal gas puff back or explosion having the male/female connection in this way will direct the expanding gases to the chimney rather than having some get caught in the connection joint if the pipe is reversed. Admittedly it a small benefit but that's what I do.

I've not burned wood, so I have no practical experience, but I don't understand the male end towards the stove recommendation. Yes, I understand the water or liquid comes from flue gas condensation. But wouldn't that occur in the colder chimney stack and just fall down to the chimney cleanout? I would expect and short stovepipe from the appliance to the chimney thimble to be two hot for condensation to occur.
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KLook
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Post Wed. Dec. 26, 2012 1:00 pm

No Yanche, that is not always the case. And some people run long lengths of pipe to squeeze all the heat out. My business partner had 28+ ft. runs straight up and the condensate ran right down to the elbows and dripped on the floor. A chimney does the same thing and I have seen it run out of the bottom either through the clean out door or under the first course of brick or block. A cap helps but does not prevent the whole issue.

Kevin

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