Stove pipe for AHS130

 
Trumpeterb
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Post by Trumpeterb » Mon. Sep. 02, 2019 12:48 pm

Hi all,

I am starting the install on my AHS130. I cannot find anywhere around me that sells welded stove pipe—have read multiple times that this is recommended over the click lock pipe, which is the only thing I can find at the big box stores around me.

Does anyone have a preferred online source for purchasing stove pipe?


 
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StokerDon
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Post by StokerDon » Mon. Sep. 02, 2019 1:08 pm

You can use the click lock stove pipe. If you are worried about a big puffback blowing the pipe apart, put a couple hose clamps around each section. The big puffbacks are not something that happens to everyone and won't happen if your unit is set up properly.

Also remember, you are looking for 5" pipe, not 6". 5" welded pipe might be more difficult to find than 5" click lock.

-Don

 
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McGiever
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Post by McGiever » Mon. Sep. 02, 2019 1:15 pm

StokerDon wrote:
Mon. Sep. 02, 2019 1:08 pm
You can use the click lock stove pipe. If you are worried about a big puffback blowing the pipe apart, put a couple hose clamps around each section. The big puffbacks are not something that happens to everyone and won't happen if your unit is set up properly.

Also remember, you are looking for 5" pipe, not 6". 5" welded pipe might be more difficult to find than 5" click lock.

-Don
5" welded is no where...hose clamps do not equal welded seam...wish I had a photo of the damage I did witness...but to each his own.
I have had less puff backs than you have reported,Don...but my memory of mine will not leave me anytime soon.

"Set up properly"...that's funny there Don... :lol: :)
Last edited by McGiever on Mon. Sep. 02, 2019 1:22 pm, edited 2 times in total.

 
Trumpeterb
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Post by Trumpeterb » Mon. Sep. 02, 2019 1:19 pm

StokerDon wrote:
Mon. Sep. 02, 2019 1:08 pm
You can use the click lock stove pipe. If you are worried about a big puffback blowing the pipe apart, put a couple hose clamps around each section. The big puffbacks are not something that happens to everyone and won't happen if your unit is set up properly.

Also remember, you are looking for 5" pipe, not 6". 5" welded pipe might be more difficult to find than 5" click lock.

-Don
Great advice! Thanks. Do you have a recommendation for a place to buy 5” click lock pipe? I can only find 6” at Lowe’s, Home Depot, and Tractor Supply.

 
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lsayre
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Post by lsayre » Mon. Sep. 02, 2019 1:23 pm

This is where I bought my heavy duty welded seam stove pipe from.

https://www.northlineexpress.com/

 
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StokerDon
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Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
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Post by StokerDon » Mon. Sep. 02, 2019 1:26 pm

I get it from my local Service Star hardware store. I guess it depends on the area you live in. Where I live, the big box stores haven't driven the local hardware stores out of business, yet. My locals always have a variety of inexpensive click lock pipe so that's what I always use.

-Don

 
Trumpeterb
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Post by Trumpeterb » Mon. Sep. 02, 2019 2:23 pm

Last question for now—barometric damper—yeah or nay.


 
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lsayre
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Post by lsayre » Mon. Sep. 02, 2019 2:40 pm

Trumpeterb wrote:
Mon. Sep. 02, 2019 2:23 pm
Last question for now—barometric damper—yeah or nay.
I've ran seasons with it functioning, and seasons with it covered (because at the time it wasn't functioning), and my documented consumption on an HDD's basis is not sufficiently different to prove it's worth.

 
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StokerDon
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Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
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Post by StokerDon » Tue. Sep. 03, 2019 6:51 pm

Trumpeterb wrote:
Mon. Sep. 02, 2019 2:23 pm
Last question for now—barometric damper—yeah or nay.
If you have a tall chimney that drafts really well, it would be good to have. If your chimney is short I wouldn't bother with one.

-Don

 
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McGiever
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Post by McGiever » Tue. Sep. 03, 2019 10:17 pm

I guess the worst thing that could happen is the sight port swinging flapper gets sucked shut with out a baro.
AHS surely has their idea on how this gets done too...what's in the manual???

 
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lsayre
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Post by lsayre » Wed. Sep. 04, 2019 5:55 am

McGiever wrote:
Tue. Sep. 03, 2019 10:17 pm
I guess the worst thing that could happen is the sight port swinging flapper gets sucked shut with out a baro.
AHS surely has their idea on how this gets done too...what's in the manual???
They recommend a barometric damper, and give the recommended diameter for it based upon a broad range of chimney heights.

 
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coaledsweat
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Post by coaledsweat » Wed. Sep. 04, 2019 6:07 am

McGiever wrote:
Tue. Sep. 03, 2019 10:17 pm
I guess the worst thing that could happen is the sight port swinging flapper gets sucked shut with out a baro.
That isn't going to happen.

 
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lsayre
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Post by lsayre » Wed. Sep. 04, 2019 9:10 am

coaledsweat wrote:
Wed. Sep. 04, 2019 6:07 am
That isn't going to happen.
During a phone conversation I had a number of years ago with an AHS Technician, he stated to me that they had documented one single case wherein it did indeed happen. I believe it was this instance that inspired the inclusion of a thermal fan cut-off "snap disc" at the very base of the hopper.

 
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Post by lamina1982 » Wed. Sep. 04, 2019 1:45 pm

Interestingly enough, i stopped at a woodstove place to see if they had any 5" stainless or welded stove pipe. Seems one company makes a liner pipe that size but t's are 100 each so seems cost prohibitive.
The guy was saying that since its going into a masonry chimney wether you bump.up.to 6 at the boiler or not is a moot point as once you get the chimney its much larger anyway so wont make a difference 5 or 6".
Which sorta makes sense.
..but he also tried telling me that coal stoves should always have a liner in a masonry chimney as the fly ash with eat holes in the mortar and leak co...but seems to do alot of liners so guessing a sales ploy as everyone her always says a masonry chimney is best!
He also thought that coal had hotter chimney stacks...which from my experience is false.

 
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Post by charlesosborne2002 » Wed. Sep. 04, 2019 6:59 pm

I thought masonry chimneys all had liners--often around here they are tile.


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