Uvstr / uvcvr series vent-free fireboxes, 3a 3b, Minimum clearances – CFM UVSTR36 User Manual
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UVSTR / UVCVR Series Vent-Free Fireboxes
7412960
Minimum Clearances
Sidewall Clearances:
The clearance from the side of the firebox to any com-
bustible wall should not be less than 11" . (Fig. 3A)
Ceiling Clearances:
The ceiling height should not be less than 42" from the
top of the fireplace opening. (Fig. 3A)
Mantel Clearances:
If a combustible mantel is installed, it must meet the
clearance requirements detailed in Figure 3A. A mantel
breastplate can be installed at a minimum height of 8"
with a maximum projection of 1¹⁄₂".
Grate Clearance:
The minimum clearance between the front legs of the
grate and front edge of the fireplace is 3" . (Fig. 3B)
3A
3B
42" Min.
36"
11" Min.
(Front View)
CEILING
(Side View)
STAND-OFF
4"
8"
12"
8"
Seal with
noncombustible
material
MANTEL
SHELF
DRYWALL
FP679
UVSTR/UVCVR clearances
4/17/98
Front leg
of grate
3"
(Side View)
FIREBOX
COMBUSTIBLE
MANTEL
TRIM
LEG
MANTEL TRIM
FINISHED WALL
4¹⁄₂"
2"
4¹⁄₂"
NONCOMBUSTIBLE
FACING MATERIAL
(Top View)
1¹⁄₂
"
HEADER
2"
FP679
Fig. 3 Clearances to combustibles.
A
B
FP1545
hearth dimensions
1/05
Front/Back Width Side Width
A
B
UVSTR/UVCVR36
29"
17¹⁄₈"
FP1545
Fig. 4 Hearth dimensions.