Napoleon B46NTR Installation And Operating Instructions Manual page 38

38
Minimum clearance to combustible construction from appliance and vent surfaces:
Combustible framing:
EN
-
-
-
Combustible finishing:
-
-
Top Exit
-
-
Rear Exit
-
-
* 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 firestop 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 fireplace 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 firestop spacer W500-0096 (not supplied).
42 11/16"
1084mm
W415-1613 / B / 06.13.16
0" to stand-offs
1" (25mm) to bottom and sides of the vent pipe*
3" (76mm) to top of the vent pipe*
0" to rear
0" to front face top and sides
50 1/2" (1283mm) to combustible enclosure top from base of the appliance
54" (1372mm) to ceiling from base of the appliance
41 5/8" (1057mm) to combustible enclosure top from base of the appliance
54" (1372mm) to ceiling from base of the appliance
OUTSIDE
CHASE
46 1/2" 1181mm
18 9/16"
471mm
46 1/2" 1181mm
18 9/16"
471mm
INSIDE
CHASE
SIDE
WALL
2" 51mm