Install Question

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Stax

Minister of Fire
Dec 22, 2010
941
Southeastern PA
My manual (Lopi Flush Wood Insert) suggests hooking up the flue from inside the unit's firebox. Do most manuals suggest this? I haven't purchased a liner yet. My unit came with chimney backets with 6 Tek Self-drilling screws for attaching the flue tot he fireplace insert. Will I need a flue connector, or does the liner hook straight up to it? My flue connection is 6".
 
I'm not familiar with the Lopi insert, but most inserts will have you connect an appliance connector to the liner, and that installs into your insert exhaust. The appliance connector should be part of the liner kit, and would have the liner, top plate and cap. The 6" is pretty standard size for an insert now days.
 
So...do most installers put the insert into it's final place and then make the connection through the insert? Or do they pull it out, make the connection and then put it back in?
 
I think it will vary with each installation, and not with the manufacturer of the insert. It will depend a lot on clearance between the insert and firebox opening. You may have to install the insert and then reach in and install the connector, or even an offset box if things don't line up. Most flex liners probably wont connect to the insert unless it is partially installed or completely installed. Even though you use a flex liner, it will not bend easily in my experience.
 
I've got 3 inches of clearance between top of insert and top of fireplace opening. When does block-off plate go in?
 
Here is a portion of an article from Hearth.com
A block off plate which sits in the upper area of the fireplace is suggested for the most efficient insert installation. This provides a positive seal so that room air does not get sucked up the chimney along with the stove exhaust - and also serves to help block cold downdrafts when the stove is not in use. Before installing your unit, you’ll want to plan the block off plate.
 
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