Bosch Greentherm 9800 SE 160/199 Manual page 24

24 | Installation instructions
Fig. 14 Horizontal venting installation (combustion air
piping not shown)
[1] Termination
[2] Water heater
[3] Elbow
[4] Horizontal run should slope ¼ " per foot upwards to water
heater
[LA] 12 inches (305 mm) (18 in. for Canada) above maximum
snow level or at least 24 inches (610 mm), whichever is
greater.
NOTICE:
▶ Place pipe supports every 5 feet
(1525mm) of horizontal and vertical
run, beginning with support near water
heater.
▶ Periodic cleaning of the vent terminal
and air-intake screens is mandatory.
▶ Avoid locating vent terminals near
equipment, vegetation, plants or
building features which can be subject to
degradation from exhaust gases.
6 720 816 815 (2016/10)
Fig. 15 Horizontal venting system (sealed combustion)
[1] Intake
[2] Exhaust
Fig. 16 Vent and combustion air pipe position of a sealed
combustion system
[1] Intake
[2] Exhaust
[X] At least 1foot (305mm)
Greentherm 9800 SE 160/199 | SEC 199