Monessen Hearth Magnum Unvented Vent-Free Fireboxes MCUF42D SERIES - Manual (Page 11)

26D4720
11
K
J
FIREPLACE FRAMING
MCUF36D MCUF42D
with Trim with Trim
K 42" 47 3 /
4
"
J 38 1 /
8
" 38 1 /
8
"
1. Bend out the nailing flanges located on each side of the firebox.
2. Slide the firebox into prepared framing or position firebox in its final position and frame later.
3. Level the firebox by checking the top edge of the firebox. Shim if necessary.
4. Anchor firebox to the side framing members using 8d nails or other suitable fasteners. See Figure 14.
5. The canopy must be installed for safe operation of the heater. See page 13 for canopy installation details.
When finishing a custom cabinet, mantel, or other built-in enclosure,
the opening size to accommodate the fireplace with trim installed
is as follows:
Figure 13 - Custom Cabinet
Figure 14 - Location of Nailing Flanges
Nail Sides
Through Nailing
Flanges
The fi replace must be installed giving
full consideration to the clearance and
height requirements identifi ed in this
manual.
W
ARNING