Lennox Hearth Cambria - Manual (Page 21)

Figure 35
OFFSET CHIMNEY INSTALLATION
Rain Cap
Collar
Roof Flashing
Offset Support
Insulated Wall
Radiation Shield
Framing
2” x 3”
Figure 36
Roof Support
Note: In cold areas it is recommended to
protect the chimney in a insulated chase.
Outside Wall
OFFSET CHIMNEY INSTALLATION WITH WALL PENETRATION
IF THE CEILING IS 9 FEET OR LESS THIS INSTALLATION CAN ONLY BE ACHIEVED USING 45° ELBOWS. SINCE ONLY 30° ELBOWS
ARE ALLOWED. IN THE U.S. THE OFFSET MUST BE DONE ABOVE THE CEILING.
Straps
Chimney AC
AC Starter Section
Straps
Support
Note: This illustration is not to scale. It represents how
the chimney must be supported. A 30 degree offset only
is allowed in the USA and a 45 degree maximum offset
is allowed in Canada.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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