Monessen Hearth mhsc eyf18 User Manual

Page of 36
65D1009 
9
C
A
D
B
FIREPLACE AND HEARTH DIMENSIONS
Use manufacturer's installation and clearance requirements as defined in their manual.
The EYF Series unvented room heater is approved for installation into the following unvented fireplaces:
GCUF(32,36,42) and VFR(32,36,42) Series Fireboxes
The EYF Series unvented room heater may also be installed into a Ventless Firebox Enclosure for Gas Fired Decorative 
Type Unvented Room Heaters per ANSI Z21.91b.2004, as long as firebox hearth dimensions meet the minimum hearth 
dimensions shown below.
Figure 2 - Hearth Minimum Dimension for Solid Fuel Burning 
Fireplaces and UL127 Factory Built Fireplaces
Model
A
B
C
D
EYF18
25"
13"
17
1
/
2
"
17"
EYF24 w/EYF24-(R,F)
29"
13"
19
1
/
2
"
17"
EYF24 w/EYF30-R
33"
13"
25
1
/
4
"
17"
WARNING
This appliance has been specifically tested and design certified for installation only 
in a solid-fuel burning fireplace including factory-built UL127 fireplaces and masonry 
fireplaces, or in a listed ventless firebox (see below).
Exception:
 DO NOT install this appliance in a factory-built fireplace that includes 
instructions stating that it has not been tested or should not be used with unvented 
gas logs.