W415-1347 / A / 03.19.15
29
EN
COMBUSTIBLE FRAMING:
Sides, back, bottom and top
of the appliance
0" to stand-offs
COMBUSTIBLE FINISHING:
Sides, Bottom and Top 0" to front edge of the appliance
Enclosure Top 70" (1778mm) from the bottom of the appliance
Recessed Depth 20" (508mm)
Sides and bottom of the vent
pipe
1"* (25mm)
Top of vent pipe 2"* (51mm)
Ceiling 62" (1575mm) from the bottom of the appliance
* HORIZONTAL VENT SECTIONS: A minimum clearance of 1" (25mm) at the bottom and sides and 2"
(51mm) at the top of the vent pipe in all horizontal runs to combustibles is required except for clearances in
appliance enclosures. Horizontal vent sections within enclosures require a minimum clearance of 9” (229mm)
at the top of the vent pipe. See “MINIMUM CLEARANCE TO COMBUSTIBLE ENCLOSURES” section. Use
fi restop spacer W010-1777 (supplied) where vent pipe penetrates combustible walls.
* VERTICAL VENT SECTIONS: A minimum clearance of 1" (25mm) all around the vent pipe on all vertical
runs to combustibles is required except for clearances in appliance enclosures. Vertical vent sections
within enclosures require a minimum clearance of 4" (102mm) to the sides of the vent pipe. See “MINIMUM
CLEARANCE TO COMBUSTIBLE ENCLOSURES” section. Use fi restop spacer W500-0367 (not supplied)
where vent pipe penetrates combustible ceilings or fl oors.
A
OUTSIDE
CHASE
F
2"
51mm
2"
51mm
4"
102mm
4"
102mm
6"
152mm
INSIDE
CHASE
A
F
BACK WALL OF CHASE / ENCLOSURE
(INCLUDING ANY FINSIHING MATERIALS)
A
B
C
D
E
MINIMUM ENCLOSURE CLEARANCES
Ref HD35 HD40 HD46
A 35 3/4" (908mm) 40 3/4" (1035mm) 46 3/4" (1187mm)
B 61
1/2" (1562mm) 66 1/2" (1689mm) 72 1/2" (1842mm)
C 43
1/2" (1105mm) 47" (1194mm) 51 1/4" (1302mm)
D 14
13/16" (376mm) 16 9/16" (421mm) 18 11/16" (475mm)
E 30
3/4" (781mm) 33 1/4" (845mm) 36 1/4" (921mm)
F 20 1/4" (514mm) 20 1/4" (514mm) 20 1/4" (514mm)
5.1 MINIMUM CLEARANCE TO COMBUSTIBLES
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