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INSTALLATION AND OPERATION MANUAL
MF3700, MF3800 Models
Page 12 800-345-6007
CumberlandStoveWorks.com
CLEARANCES TO COMBUSTIBLES
NOTE: These are minimum clearances to combustible walls established by the ASTM testing lab.
NOTE: When interior vertical pellet vent is used for installation, the clearance to the back wall is determined
by the vent size used. Install vent at clearance specied by the vent manufacturer. Take into consideration any
upward turning elbows or T’s.
CORNER INSTALLATION
INTERIOR VERTICAL VENTS
STRAIGHT INSTALLATION
THROUGH WALL
3”
4”
6”
4”
CORNER INSTALLATION
THROUGH THE WALL VENTS
STRAIGHT INSTALLATION
INTERIOR VERTICAL VENTS
Figure 14 Figure 15
Figure 16 Figure 17
4”
6”
4”
3”
3”
3”
2”
4”
6”
4”
4”
6”
4”
3”
3”
2”