Enviro EF2 - Manual (Page 23)

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Installation
Figure 29: Masonry fireplace installation.
When installing the insert into a masonry fireplace, DO NOT remove any bricks or masonry, with the
following exception: masonry or steel, including the damper plate, may be removed from the smoke shelf
and adjacent damper frame, if necessary, to accommodate a chimney liner. Do this only if their removal
will not weaken the structure of the fireplace and chimney, and will not reduce protection for combustible
materials to less than that required by the national building code.
When installing the fireplace insert into a zero clearance fireplace, DO NOT cut or modify any factory
firebox parts. If the fireplace insert does not fit into a zero clearance fireplace, we recommend you use
an ENVIRO freestanding model and install as a hearth mounted unit. Install a 3” (76 mm) flex pipe from
the stove to the top of the chimney (see “H
EARTH
M
OUNT
I
NSTALLATION
- F
REESTANDING
:”).
4. Connect a tee or 90° degree
elbow to the exhaust pipe.
5. This fireplace insert must be
installed with a continuous
chimney liner of 3” or 4”
diameter extending from
the fireplace insert to the
top of the chimney. The
liner must conform to type
3 requirements of CAN/ULC
S635.
6. (Recommended) Install fresh
air intake either through
the back of the fireplace or
through the positive flue
connector.
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