Weil-McLain GOLD GV 3 Series Manual page 5

Saf-T Vent
For altitudes more than 5,500 feet above sea level —
shown in
Select vent method:
Figure 3
GV direct vent through sidewall
(using Weil-McLain Vent/Air Intake
Termination Kit)
Slope vent pipe downward, toward
boiler, minimum ¼" per foot.
S l o
p e
d o
w n
Install 4-to-3 reducer
with flat side toward air
pipe to increase
clearance between flue
pipe and air pipe.
®
Saf-T Vent
vent starter tee
Figure 5
GV non-direct vent through sidewall
(using termination coupling)
(See WARNING above.)
Slope vent pipe downward, toward boiler,
minimum ¼" per foot.
4-to-3
reducer
3-to-4
increaser
vertical
®
Saf-T Vent
vent starter tee
Part Number 550-110-271/0699
® Venting Supplement for 4" diameter venting
Figures 4 and 5 below. Can cause severe personal injury, death or substantial property damage if ignored.
3-to-4
increaser
vertical
27101
If installing 4-to-3 reducer in
horizontal piping, always
mount with flat side DOWN to
allow drainage of condensate
back to the boiler.
27104
Do not use non-direct vent through sidewall methods as
Figure 4
GV non-direct vent through sidewall
(using Weil-McLain Vent/Air Intake
Termination Kit)
Slope vent pipe downward, toward
boiler, minimum ¼" per foot.
S l o
p e
d o
w n
®
Saf-T Vent
vent starter tee
Figure 6
GV non-direct vent through roof
Slope vent pipe downward, toward
boiler, minimum ¼" per foot.
3-to-4
increaser
vertical
®
Saf-T Vent
vent starter tee
(See WARNING above.)
3-to-4
increaser
vertical
27102
27105
5