Initial Installation
QUALIFIED INSTALLERS ONLY
VENTING FIREPLACE INSERTS:
The ENVIRO SIENNA may be installed and vented into any solid fuel fireplace that has been installed in accordance with the National, Provincial/State and local building codes and has been constructed of
INSTALLATION and INITIAL INSTALLATION - CONVERTING A DIRECT VENT FIREPLACE TO A
An approved chimney liner and rain cap must be used. A throat connector or flashing must be installed to ensure a tight seal, top performance, safety and efficiency. Carefully follow the manufacturer’s instructions that accompany the chimney liner kit.
Remove the vent collar plate from the top of the insert and connect it securely with sheet metal screws and/or hose clamps. Check for any tears in the liner at this point. IMPORTANT: The screws that hold the vent collar plate in its approved position must be installed.
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DV Only: Maximum height allowed for the vent is 35ft (10.67m).
Install sealed throat connector or 
flashing to prevent leakage of room air
up through chimney.
DV Only: Before installing vent
liners, mark each liner on both ends
to designate which is the intake and the exhaust.
Measure the height of the chimney
beforehand and purchase the
appropriate kit. Never attempt to over-
stretch a flexible liner to accommodate
the height of the chimney.
Any flue damper must be removed or
blocked permanently in the open
position.
The chimney must be clean, in good
working order and constructed of non-
combustible materials.
Make sure that all chimney cleanouts are tight fitting and will not permit air to leak into the chimney
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Figure 20: Installation of Sienna DV and BV.
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