Monessen Hearth MJ27PR User Manual

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Min. hearth dims
FIREPLACE and HEARTH DIMENSIONS
use manufacturer's installation and clearance requirements as defined in their manual.
The MJ Series unvented room heater is approved for installation into the following unvented fire-
places:
GCuF Series Fireboxes Magnum36/42, Lo-Rider36
 
or BUF
The MJ 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 - Minimum Hearth 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