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FIREPLACE AND HEARTH DIMENSIONS
This appliance is for installation only in a solid-fuel burning masonry or UL127 factory-
built fireplace, vent free appliance, or in listed ventless firebox enclosure. It has been
design certified for these installations.
Exception: DO NOT install this appliance in a factory-built fireplace that includes
instructions stating it has not been tested or should not be used with unvented gas
logs.
Use manufacturer's installation and clearance requirements as defined in their manual.
The HVFL Series unvented room heater is approved for installation into the following unvented fireplaces:
NOTE: HVFL24 log set will not fit into GCUF32 fireboxes.
The HVFL Series unvented room heater may also be installed into a Ventless Firebox Enclosure for Gas Fired Decorative
Type Unvented Room Heaters per IAS Requirement No. 2-97 ANSI Z21.91-2001 (typically referred to as a "Universal
Firebox"), as long as firebox hearth dimensions meet the minimum hearth dimensions shown below.
10
GCUF Series Fireboxes Magnum36/42 or Lo-Rider36
Model
HVFL18
HVFL24
HVFL24 with 30" Logs
D
C
Figure 2 - Hearth Minimum Dimension
A
B
C
1
18"
13
/
"
27"
4
1
1
1
22
/
"
13
/
"
28
/
4
4
2
1
1
1
25
/
"
13
/
"
32
/
2
4
2
A
B
D
17"
"
17"
"
17"
59D1015
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