GLOW T180 - 3.10 Venting Diagrams

Glow T180
Tankless Condensing Water Heater
40
3.10 Venting Diagrams
3.10.1 Venting Clearances - Direct Vent
*All clearance requiremnts are in accordance with ANSI Z21.10.3 and the National
V
X
Legend:
= Vent terminal
= Air supplu inlet
= Area where terminal is not permitted
Canadian Installations
1
US Installations
2
A
Clearance above grade, veranda,
porch deck or balcony
12 in (30 cm) 12 in (30 cm)
B
Clearance to window or door that
may be opened
6 in (15 cm) for appliances
≤ 10,000 BTUh (3kW),
12 in (30cm) for appliances
> 10,000 BTUh (3kW) and
< 100,000 BTUh) (30kW),
36 in (91 cm) for appliances
> 100,000 BTUh (30kW)
6 in (15 cm) for appliances
≤ 10,000 BTUh (3kW),
9 in (23 cm) for appliances
>10,000 BTUh (3kW) and
≤ 50,000 BTUh) (15kW),
12 in (30 cm) for appliances
> 50,000 BTUh (15kW)
C
Clearance to permanently closed
window
* *
D
Vertical clearance to ventilated
soft located above the terminal
within a horizontal distance of
2 feet from the center of the
terminal
* *
(continued)
Table 3.4