Monessen Hearth Magnum Unvented Vent-Free Fireboxes MCUF42D SERIES - Manual (Page 8)

8
26D4720
6" Minimum
42" Minimum
6" Mi
nimum
Ensure that minimum clearances shown in Figures 4 through 7 are
maintained. Left and right clearances are determined when facing the
front of the firebox.
Follow these instructions carefully to ensure safe installation. Failure
to follow these requirements may create a fire hazard.
1. Sidewall clearances: The clearance from the inside of the
appliance to any combustible wall should not be less than 6".
See Figure 4.
2. Ceiling clearance: The ceiling must be at least 42” from the
top of the firebox opening. See Figure 4.
3. Back wall clearance: The appliance may be placed against a
combustible back wall.
Figure 4 - Clearance and Height
Requirements
4. Floor clearance: This inner chamber firebox floor must be installed at least 6" above any combustible flooring mate-
rial, such as carpeting or asphalt tile, which is closer than 14" to the base of the firebox. See Figure 5.
Or
The inner chamber firebox floor may be installed nearer to the floor if a minimum of 14" of noncombustible material
such as slate or marble is installed between the base of the firebox and the combustible flooring. See Figure 6.
Figure 5 - Minimum Clearance above
Combustible Flooring
Figure 6 - Minimum Clearance above Combustible
Flooring with Non-Combustible Material Installed at
Base of Fireplace
Combustible
Material
6" Minimum
14" Minimum
Can Be
Less than 6" Non-Combustible
Material
CLEARANCES
AND
HEIGHT REQUIREMENTS