Setting up the flue pipe for a new King 40 install: A choice

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I went back-and-forth in making the decision on which one to go with. At this point, I’ve already purchased the king it’s just sitting in my house waiting to get connected to a stack so I hope it works out. Installer is going to add 2-30° elbows to make it work. I’m a little scared that there won’t be enough draft because the manual says to use 18 feet total stack instead of 15 feet in the case if using 2-30s. I figure I’m just gonna have them do 15 or 16 feet and see how it goes and then just add length outside if I get a smokey smell. The issue is when it’s running on low right? When it’s up on high, it shouldn’t matter, but if I want to go low and slow for a long time… It’s gonna need the right draft I think. How does your behave on low?
To be upfront honest here, princess owner for 10 seasons, lots of varying winters, when its time to upgrade without a doubt I'm going with the king, its nicer having a bigger gas tank.
 
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In 28 years, 3 different King models, in a rural community, we've had two birds down the stack.

Never while stove is in operation.

The first was a small owl about 10 years ago. Owl bit me but flew away no the worse for wear.

The second was two days ago. I'm in New Orleans at Expo, wife calledop"I'll open bypass dear. It's a starling hun. I know what to do." No more starling.

For the two instances above, versus having to clean off the screen, screen has been gone a decade or more.

BKVP
 
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When I moved into my house, there was an old Shanenhoah coal stove in the basement. I remember walking by it one day and heard a scurry inside. I remember reaching down for the handle to open, then paused. Did I really want to open it? I came back in a couple days and removed the former grey squirrel.
 
When I moved into my house, there was an old Shanenhoah coal stove in the basement. I remember walking by it one day and heard a scurry inside. I remember reaching down for the handle to open, then paused. Did I really want to open it? I came back in a couple days and removed the former grey squirrel.
Was the chimney all Class A? In our home the most determined squirrel won't be able to climb 8' of Class A.

BKVP
 
[Hearth.com] Setting up the flue pipe for a new King 40 install: A choice
 
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Woodpecker? 🤣
 
In 28 years, 3 different King models, in a rural community, we've had two birds down the stack.

Never while stove is in operation.

The first was a small owl about 10 years ago. Owl bit me but flew away no the worse for wear.

The second was two days ago. I'm in New Orleans at Expo, wife calledop"I'll open bypass dear. It's a starling hun. I know what to do." No more starling.

For the two instances above, versus having to clean off the screen, screen has been gone a decade or more.

BKVP
Bird OK

Raccoon?
Badger?!!
Heck no …I think I’ll be cleaning the screen each month…
 
Some screens have a finer mesh than others. The finer ones are the ones that easily clog. Screens with 3/4" or so holes don't clog so easily, especially if you are burning dry wood. My cap screen has never clogged in my 40 years of burning.
 
In 28 years, 3 different King models, in a rural community, we've had two birds down the stack.

Never while stove is in operation.

The first was a small owl about 10 years ago. Owl bit me but flew away no the worse for wear.

The second was two days ago. I'm in New Orleans at Expo, wife calledop"I'll open bypass dear. It's a starling hun. I know what to do." No more starling.

For the two instances above, versus having to clean off the screen, screen has been gone a decade or more.

BKVP
It must not be as big of an issue out west as it is here for some reason. Especially this time of year i take atleast 2 birds nests a week out of chimneys. And in the fall I find atleast one bird a week cleaning.
 
Was the chimney all Class A? In our home the most determined squirrel won't be able to climb 8' of Class A.

BKVP
It was 8x12 terra cotta.

I haven’t seen anything in Class A. I have seen stuff in regular liner.

It’s entirely possible that my guys just haven’t mentioned those jobs to me.
 
It was 8x12 terra cotta.

I haven’t seen anything in Class A. I have seen stuff in regular liner.

It’s entirely possible that my guys just haven’t mentioned those jobs to me.
Yeah squirrels are pretty uncommon in smaller stove flues in my experience. But I have taken a few squirrel nests out of the top of chimneys it's not very common.
 
Yeah squirrels are pretty uncommon in smaller stove flues in my experience. But I have taken a few squirrel nests out of the top of chimneys it's not very common.
Did @Ashful have a bad squirrel experience once? I'm not sure it was in one of his Ashfords or not, but I believe it came through the chimney and got into the house somehow.
 

That's the picture I remember. I love bluebirds as they were a common sight in my childhood. I lived for many years where I rarely, if ever, saw them. I'm now living back where I see them frequently. I'm very glad not to have them get into my chimney.
 
Did @Ashful have a bad squirrel experience once? I'm not sure it was in one of his Ashfords or not, but I believe it came through the chimney and got into the house somehow.
I don't know honestly
 
Yup we had birds in our stove every spring. Always Bluebirds. We have never had any squirrels or other critters in there. I think it would be hard for them to actually get up the metal chimney. We did not want to put a bird screen on the chimney due to it getting clogged and no way we are getting up on the roof to try and clean it. We did put up 2 Bluebird houses and ever since we have had no birds in the stove.
 

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Yup and raccoons all types of birds. The raccoons are generally very angry about it. I even had a very confused groundhog once. No idea why or even how it climbed the chimney it was an earth sheltered home so the roof was no issue.
I never realized groundhogs could climb until one got in our garage. Some how he was able to climb the shelving and chew up one of garage door opener wires.
 
YouTube is full of videos of them in trees.
Just went and looked on youtube. I never knew they climbed trees. We have seen several ground hogs around here and I have never seen them in trees. Then again I never actually looked. Same with snakes. Never knew they were such good climbers until I watched one slither up a really big/tall tree. That sucker climbed close to the top.
 
I’ve never seen them off the ground. I had a customer with a video of one that climbed her fence to get over it. That’s the closest I’ve been to a climber, lol.
 
I have never seen them climb or seen them off the ground. But the one in the smoke chamber behind the damper obviously climbed to get there.