Thoughts on a chimney liner connection

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nawtyflier

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Nov 28, 2011
13
Raleigh NC
Hello,
In the process of installing my Lopi insert into a ZC fireplace. I have the liner installed, but the way the guys connected it to the stove just wasn't proper. I obtained the correct adapter, but being connected now it has somewhat of a bend at the adapter. Also not from the pictures there was a slight snag on the exterior of the liner. The inside didn't seem to be damaged any.

I'm looking for some commentary on the install here, I want to make sure it's correct. Also, I think I need some sealant at these connections. I found some Rutland RTV but it was only rated to 500 degrees and this doesn't seem adequate.

Thanks all

P1030075.jpg


See here the awkward angle. It seems like it doesn't seat properly at the right side.

P1030078.jpg


Minor breach of the skin of the liner
 
greenteam said:
If I were inspecting your installation it would fail no collar screws and the connection does not look right. but again I would have never issued a permit to install into a zc in the first place... that installation happens to be prohibited in our state and in canada
Click to expand...
Why not, and why is it prohibited? Many ZC fireplaces and inserts are compatible, UL tested. I don't like the connection either, but that is a different issue.
 
To the OP: Any chance you can get a brand correct coupler and splice it in where the liner is damaged? This will both take care of the damaged spot and lengthen the liner to seat it further in the appliance adapter.
 
Looks like you need an angle adapter. Here is a discusion and a pic of a similar one that I used:

https://www.hearth.com/econtent/index.php/forums/viewthread/84200/P0/

I would also have that damper bracket cut all the way off as well. Looks like rather than remove it they beat and scratched the pipe against it in a few spots. Were it me I would use furnace cement to cover the hole, get a wide strip of sheet metal and make a band all the way around the pipe and clamp that on followed by furnce cement again around the joint of the strip. Flex pipe is not that flexible. I had the same issue thinking that I could overcome the need for an angle adaper and it just couldn't be done.


I know that this forum is a place to solve problems but I have noticed a pattern of people paying good money for an installer and they do it incorrectly and the homeowner has to go to further expense and time to fix it. I can't even see how something like that can pass inspection.
 
Thanks rwhite. Hartshearth has a 15 degree elbow that might just be the ticket. The other option is I could move the flue adapter back about 1 1/2 inches, the factory instructions say this can be done...would eliminate most of the bend. But then I would have the original screw holes in the top of the stove. This seems like a bad idea, thoughts? As you can see from the photo, I have room to move this back, towards the right in the pic.


P1030085.jpg



And I believe I will use your idea to patch the liner with furnace cement and wrap it...great idea.
 
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