Horizontal Vent Installation; Vertical Vent Installation - Lennox Hearth Products RAVELLE 42 Installation And Operation Instructions Manual

Horizontal Vent Installation

IMPORTANT NOTES:
1 . All Ravelle™ 42 gas fireplaces that are horizontally terminated
may only use 8"x 5" Security Chimneys™ or Dura-Vent
direct-vent pipe .
2 . When this pipe passes through a wall, a wall thimble - Security
Chimneys #SV5RSM or Dura-Vent #1247 is required . The hole
in the wall for the wall thimble should be 10-3/4" x 10-3/4" .
3 . Horizontal runs of vent must be supported every three feet .
Wall straps - Security Chimneys #SV5BM or Dura-Vent #1288
are available for this purpose .
4 . If the vent passes through a ceiling or floor, a firestop - Security
Chimneys #SV5BF or Dura-Vent #1263 is required .
5 . Venting terminals shall not be recessed into a wall or siding .
If installing the termination cap on a wall covered with siding,
a vinyl siding standoff - Security Chimneys #SV5VS or Dura-
Vent #1250 or furring strips must be used to ensure that the
termination cap is not recessed into the siding .
6 . The horizontal run of vent must have a 1/4" (6mm) rise for
every 12" (305mm) of run towards the termination .
7 . If the wall being penetrated is constructed of non-combustible
material, such as masonry block or concrete, an 8-1/2"
(216mm) diameter hole is acceptable and a wall thimble is
not required .
8 . The location of the horizontal vent termination on an exterior
wall must meet all local and national building codes and must
not be blocked or obstructed . For allowable external vent
terminations locations, see the diagram on Page 23 .
9 . Allowable clearances from the vent pipe to combustible materi-
als must be maintained . See Page 10 for these clearances .
10 . Do not locate the termination cap where it may be blocked by
shrubbery or snow .
10-3/4" x 10-3/4"
(273mm x 273mm)
Framed Hole
Figure 18
20
Termination Cap
Wall Thimble
Elbow
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Vertical Vent Installation

IMPORTANT NOTES:
1 . All Ravelle 42 gas fireplace vertically terminated may only use
®
6-5/8" x 4" Security Chimneys or Dura-Vent direct-vent pipe .
2 . Fireplaces that are vertically terminated require pipe reducer -
Lennox Hearth Products #75247 - installed on the fireplace's
flue collar before the direct-vent pipe can be installed .
3 . If the vent passes through a ceiling or floor, a firestop - Security
Chimneys #SV4BF or Dura-Vent #963,
4 . If the vent passes through the roof, a roof flashing - Security
Chimneys #SV4FA or SV4FB, Dura-Vent #943 or 943S and
storm collar - Security #SV4FC, Dura-Vent #953 are required .
5 . Allowable clearances from the vent pipe to combustible materi-
als must be maintained . See Page 10 for these clearances .
6 . A maximum of two 45º elbows may be used . See Page 22 for
allowable offsets .
7 . The maximum system height is 30 feet (9 .1 M) and the minimum
is 10 feet (3 M) .
Vertical Termination Cap
Security Chimneys (Part #SV4CGV)
Dura-Vent (Part # 980)
Storm Collar
Security Chimneys (Part #SV4FC)
Dura-Vent (Part # 953)
Roof- Maintain 1"
(25mm) Clearance to
Combustibles
Ceiling Minimum
Framing 10" x 10"
(254mm x 254mm)
Ceiling Firestop
Security Chimneys (Part # SV4BF)
Dura-Vent (Part # 963)
Figure 19
Flashing
Security Chimneys (Part #SV4FA
or SV4FB)
Dura-Vent (Part # 943 or 943S)
Pipe
Length
Note:
Verify that you
have at least
the minimum
clearance to
combustibles
at the roofline.