Installation and Operation

26D4720
6
MCUF Series Vent-Free Firebox

E
D
F
G
556M”
3256”
256O”
6”
A
B
256O”
2656M"
96M”
856M”
376”
C
264720
MCUF dims
Min. Rough
Opening
Depth
Min. Rough
Opening
Height
H - Min. Rough Opening Width
K
J
J
L
376M”
I
  
A 41Z\v" 47"
B 36" 42"
C 18Z\v" 18Z\v"
D 32" 38"
E 20C\v" 20C\v"
F 27Z\v" 33Z\v"
G 33M\," 39M\,"
H 41Z\v" 47Z\v"
I 17C\v" 17C\v"
J 48C\v" 53"
K 68M\," 74M\,"
L 34Z\x" 37Z\x"
Figure 1 -
Firebox and Framing Dimensions
A
B
C
D
E
FP2686
hearth dims
    
A 26Z\v" 25C\v" 32Z\v" 31C\v"
B 15" 14C\v" 15" 14C\v"
C 32B\," 31Z\," 38B\," 38Z\,"
D 25" 25" 25" 25"
E 20Z\x" 20Z\x" 20Z\x" 20Z\x"
Figure 2 -
Minimum Hearth Dimensions