Ac d b, Fireplace and hearth dimensions, Warning – Monessen Hearth TPB18 User Manual
Page 9
70D0004
9
A
C
D
B
FIREPLACE AND HEARTH DIMENSIONS
Use manufacturer's installation and clearance requirements as defined in their manual.
The TPB Series unvented room heater is approved for installation into the following unvented fireplaces:
GCUF Series Fireboxes Magnum36/42, Lo-Rider36
or BUF
The TPB 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.
Figure 2 - Hearth Minimum Dimension
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.
W
ARNING
Model
A
B*
C
D
TPB18
26"
13"
18"
17"
TPB24
29"
13"
22
1
/
4
"
17"
TPB30
33"
13"
25
1
/
4
"
17"
* Without front grate installed "B" will be 12 ½.