English 6
Figure 2: Installation Clearances with a High Shelf or Low Backguard
as defined in the “National Fuel Gas Code” (ANSI Z223.1, Current Edition).
Clearances from non-combustible materials are not part of the ANSI Z21.1
scope and are not certified by CSA. Clearances of less than 12” (305 mm)
must be approved by the local codes and/or by the local authority having jurisdiction.
22
”
(559 mm)
6” (152 mm)
Combustible
Materials
High Shelf
30” Low Back
27⅝” (702 mm)
27¼” (692 mm)
2¼” (57 mm)
10¾”
(273 mm)
36" (914 mm) min
to combustible
materials
24” (610 mm)
max. recess depth
Combustible
Back Wall
36¾” (933 mm) Max.
35⅞” (911 mm) Min.
23” (584 mm)
44⅞” (1140 mm)
Installation Clearances with High Shelf or Low Backguard
9” (229 mm)
36” & 48” Low Back
24⅝” (625 mm)
24¾” (629 mm)
Summary of Contents for Professional Pro Harmony PRG304GH
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