Napoleon B42NTR Installation And Operating Instructions Manual page 35

Minimum clearance to combustible construction from appliance and vent surfaces:
Combustible Framing:
- 0" to stand-offs
- 1" (25mm) to bottom and sides of the vent pipe*
- 3" (76mm) to top of the vent pipe*
Combustible Finishing:
- 0" to rear
- 0" to front face top and sides
Top Exit
- 50 1/2" (1283mm) to combustible enclosure top from base of the appliance
- 54" (1372mm) to ceiling from base of the appliance
Rear Exit
- 41 5/8" (1057mm) to combustible enclosure top from base of the appliance
- 54" (1372mm) to ceiling from base of the appliance
* HORIZONTAL VENT SECTIONS: A minimum of 1" (25mm) at the bottom and sides and 3" (76mm) at
the top of the vent pipe on all horizontal runs to combustibles is required. Use fi restop spacer W010-1774
(supplied).
NOTE: The minimum clearances from the top of the horizontal vent pipe to combustible materials may
be reduced from 3" (76mm) to 1" (25mm) in those installations with a minimum 38" (965mm) vertical
vent rise made immediately off the fi replace collar.
* VERTICAL VENT SECTIONS: A minimum of 1" (25mm) all around the vent pipe on all vertical runs to
combustibles is required except for clearances in appliance enclosures. See "MINIMUM ENCLOSURE
CLEARANCES" section. Use fi restop spacer W500-0096 (not supplied).
40"
1016mm
OUTSIDE
CHASE
42 1/2" 1080mm
18 9/16"
472mm
42 1/2" 1080mm
35
EN
18 9/16"
472mm
INSIDE
CHASE
SIDE
WALL
2" 51mm
W415-1293 / C / 07.28.16