Termination Location And Vent Information; Vent Termination Minimum Clearances - Heat & Glo MEZZO-1000-AU Installation Manual

4

Termination Location and Vent Information

A. Vent Termination Minimum Clearances
WARNING
Fire Risk.
Maintain vent clearance to combustibles as
specified.
 DO NOT
pack air space with insulation or other
materials.
Failure to keep insulation or other materials away
from vent pipe could cause overheating and fire.
510 mm MIN.
610 mm MIN.
LOWEST
DISCHARGE
OPENING
TERMINATION
CAP
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
Angle .................................................... H (Min.) mm
° °
0 -26.6 ......................................................... 500
° ° ..................................................................................
26.6 -30.3
° ° ..................................................................................
30.3 -33.7
° ° ..................................................................................
33.7 -36.9
° ° ..................................................................................
36.9 -39.8
° ° ...................................................................................
39.8 -42.5
° ° ...............................................................................
42.5 -45.0
° ° ...............................................................................
45.0 -49.4
° ° ...............................................................................
49.4 -53.1
° ° ...............................................................................
53.1 -56.3
° ° ...............................................................................
56.3 -59.0
° ° ...............................................................................
59.0 -60.3
*
910 mm minimum in snow regions
Figure 4.1 Minimum Height From Roof To Lowest Discharge
Opening
Heat & Glo • MEZZO-1000-AU, MEZZO-1300-AU, MEZZO-1300ST-AU, MEZZO-1600-AU Installation Manual • 2304-970 Rev. D • 3/15
16
HORIZONTAL
OVERHANG
VERTICAL
WALL
X
305 mm
ROOF PITCH
IS X/ 305 mm
*
*
500
*
500
*
610
*
760
990
1 220
520
1
1 830
130
2
290
2
2 440
A
6 in. (minimum) up to 20 in.
152 mm/508 mm
20 in. and over
Gas, Wood or Fuel Oil
Termination Cap
B
A *
Gas
Termination
Cap **
If using decorative cap cover(s), this distance may need to be
*
increased. Refer to the installation instructions supplied with the
decorative cap cover.
In a staggered installation with both gas and wood or fuel oil
**
terminations, the wood or fuel oil termination cap must be
higher than the gas termination cap.
Figure 4.2 Staggered Termination Caps
B
18 in. minimum
457 mm
0 in. minimum