19
11.3.2
Horizontal Venting Configurations
IMPORTANT
The vent heat shield assembly included with this fireplace must be installed for every type of venting application. Refer to 11.5, Vent
Heat Shield Assembly Installation, on page 21.
This fireplace requires a wall pass through thimble with a minimum of 1 in. (25 mm) clearance for all horizontal vent terminations.
Horizontal vent sections require 1/4 in. (6 mm) rise for every 12 in. (305 mm) of travel.
SLA-42S (NG)
Minimum Vertical
Vent Pipe Length
Minimum Horizontal
Vent Pipe Length
Maximum
Horizontal Run
9 in.
229 mm
9 in.
229 mm
12 ft.
3.66 m
SLA-42S (LP)
Minimum Vertical
Vent Pipe Length
Minimum Horizontal
Vent Pipe Length
Maximum
Horizontal Run
9 in. + 6 in.
229 mm + 152 mm
9 in.
229 mm
12 ft.
3.66 m
Figure 11.2, NG Min / Min Horizontal Venting
Stand-Offs
Brackets
90° Elbow
Termination
Cap
9” (229mm) Vent Pipe
9” (229mm)
Vent Pipe
Horizontal Vent
Heat Shield
Vertical Vent
Heat Shield
Figure 11.3, NG Min / Max Horizontal Venting
Termination
Cap
12’
(3.66m)
Horizontal Vent
Heat Shield
Stand-Offs
Brackets
90° Elbow
Vertical Vent
Heat Shield
9” (229mm)
Vent Pipe
Figure 11.4, LP Min / Min Horizontal Venting
Termination
Cap
Stand-Offs
Brackets
Figure 11.5, LP Min / Max Horizontal Venting
90° Elbow
12’
(3.66 m)
Vertical Vent
Heat Shield
Horizontal Vent
Heat Shield
6” (152mm) Vent Pipe
9” (229mm) Vent Pipe
Stand-Offs
Brackets
Vertical Vent
Heat Shield
90° Elbow
9” (229mm) Vent Pipe
6” (152mm) Vent Pipe
Horizontal Vent
Heat Shield
9” (229mm) Vent Pipe
Termination
Cap
