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9
UVLC Series
Burner Assembly Location
Centrally locate the unit in the fireplace, far enough
back into the firebox to accomplish adequate draft (if
use as a vented appliance is planned). Ensure the front
grate feet sit inside the front edge of the fireplace a
minimum of 3”. (Fig. 7b)
Clearances
To ensure the safe installation into a masonry or fac-
tory-built fireplace, carefully observe the following
instructions:
1. Sidewall Clearances: The clearance from the inside
of the front opening of the fireplace to any combustible
wall should not be less than 3¹⁄₂”. (Fig. 7a)
2. Ceiling Clearances: The ceiling height should not be
less than 42” from the top of the fireplace opening. (Fig.
7A)
3. Mantel Clearances:
When installing an ANSI Z21.11.2 ventless appliance,
the finishing material used for the mantel must be rated
at 250°F or greater. Refer to the firebox instructions for
any further information.
Without Hood: If no hood is installed, then there must
be noncombustible material from the top front opening
of the fireplace to a height of at least 20” and the full
width of the fireplace. A combustible flat mantel shelf
can be no closer than 38¹⁄₂” from the top of the fireplace
opening. (Fig. 7b)
With Hood:
If a hood is installed there must be non-
combustible material from the top front opening of the
fireplace to a height of 7¹⁄₂” and the full width of the fire-
place. A combustible flat mantel shelf may be installed
according to the detail in Fig. 7c.
3A. Mantel Depth: A combustible mantel can be no
deeper than 8”, at 12” above the hood. (Figs. 7b, 7c)
4. Grate Clearance: The minimum clearance between
the front legs of the grate and the front edge of the fire-
place is 3”. (Fig. 7b)
MC656-2
clearances
3/26/99 djt
42”
3¹⁄₂”
Min.
Noncombustible
Facing Material
Ceiling
3¹⁄₂”
Min.
MC656-2
763 Fplc Clrnc Top View
UVL/UVHL
7/28/98
Top View
Mantel Trim
Finished Wall Mate
-
rial
Firebox
3¹⁄₂”
Noncombustible Facing
Material
3¹⁄₂”
763
Front View
7a
764 Fplc Clearance, Side View
UVL/UVHL
7/28/98
8”
38¹⁄₂”
20”
Standoff
Noncombustible
Material
Front Edge of
Grate
3”
4”
Without Hood
7b
765 Fplc w/ Hood, detail
UVL/UVHL
7/27/98
With Hood
7c
Flat Mantel
Shelf
8”
7¹⁄₂”
12’
4”
Standoff
Seal with
Noncombus-
tible Material
4”
Hood
764
765
Fig. 7 Mantel Clearances.