Lenoxx Electronics Optima 3 FS - Manual (Page 19)

INSTALLATION
♦ USA & Canada – Requires an approved noncombustible hearth or floor protector, 3/8” / (10 mm) millboard
or equivalent (k = .84, r = 1.19) to extend 6” / 150 mm to the front of the glass door.
PAGE 19
Standard Vertical Installation Configurations
Models: Optima 2 FS and Optima 3 FS
These freestanding models may be connected to an
existing flue or by installing listed type “PL” vent pipe. If
a liner is run all the way to the top of the existing chim-
ney, the existing flue should be sealed with a steel
plate. Start a vertical run with a Tee at the back of the
stove. Other options are illustrated below. Note: See
page 15 for Vent Termination Requirements
Exterior Vertical Vent
Vertical Vent Into A Masonry Flue
Preferred Installation – Vertical Vent Through the
Roof
This venting configuration allows for the best stove
performance. The vertical pipe promotes natural draft
and with the chimney inside the dwelling, the flue
gases stay warm, thus rising at a consistent rate.
Interior Vertical Vent into an
Existing Class A Chimney
Wall Straps
Required Every
4 ft. Minimum
Optional Com-
plete Liner and
Listed Termina-
tion Cap
Optional Clean-Out
Access Door
Listed Rain Cap
3”
Min.
Clean-Out
Tee
Existing
Chimney
Pipe
Extend Pipe to
the Top if Exist-
ing Chimney is
Corroded or
Damaged
Pipe Increaser
3”
Min.
Flashing