11
c.
Installation of the smoke exhaust pipe:
1.
Make a hole on the wall near the water heater; the hole should
has diameter that is slightly more than the smoke exhaust pipe
outer diameter; extend the smoke exhaust pipe outside the
room and make the outdoor part slightly tilted downward.
2.
Place the air vent at higher position than the water heater.
3.
Place the air inlet at lower position to prevent the outdoor air
from directly entering the combustion chamber.
4.
Install a windproof cover firmly.
Windproof Cover
>2 m
Smoke Exhaust
Pipe
No more than 2
Horizontal length
no more than 3 m
Angle no Less
than 90
°
Water
Heater
Windproof Cover
>600 mm
>150 mm
Air Vent
Hole for Condensate
Water
Hole on Brick Wall
Heat-insulating Panel
Air Inlet
>150 m
>250 m
Flame Observation Window
Adult’s height of sight
(from the ground)