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Installation instructions
3
Installation instructions
3.1
Tools required for installation
• Philips head screwdriver
• Flat head screwdriver
• Adjustable wrench
• Level
• Thermometer
• Standard plumbing tools
• Manometer
• Drill
• Pipe wrench
• Adjustable pliers
• Pipe fitting tools
• Hacksaw with metal blades
• Hole saw.
3.2
Introduction
Please follow these instructions. Failure to follow
instructions may result in:
B Damage or injury.
B Improper operation.
B Loss of warranty.
If you are unable to perform the tasks required to install
this heater properly, please contact a locally licensed
plumber or gas technician.
Common installation practice is to determine the
venting/intake system layout and penetration and then
work back to the heater.
8
3.3
Venting
Warning: Do not reduce the vent
(exhaust and combustion) pipe sizes
and do not common vent with any other
vented appliance or stove.
Warning: Failure to vent the exhaust
gases to the outside with sealed
stainless steel vent pipe (AL29-4C)
may result in dangerous flue gases
filling the structure in which it is
installed.
Warning: Do not mix vent pipe or
joining
methods
manufacturers.
Warning: Proper end terminal / rain
cap must be used. Failure to do so may
result in damage to the appliance.
This damage is not covered under
the manufacturer's warranty.
Caution: The vent system must be
installed by a qualified installer in
accordance with these instructions. If
improperly
installed,
condition such as explosion or carbon
monoxide
poisoning
Bosch Water Heating will not be
responsible for improperly installed
appliances.
3.3.1
Vent material and specifications
Establish vent clearances that comply with the vent
manufacturer's specifications. In all cases, follow local
codes. See Table 2.
Diam.
Min.
lenght
Exhaust
3 or 4
3 feet
Vent
inches
3 or 4
1 90°
Intake
Vent
inches
elbow
Table 2 Venting Specifications
The appliance should be located as close to the point
of vent termination as possible. The maximum vent
length is 26 feet (8 m) with one 90 degree elbow and
approved terminator. Subtract 2.5 feet from the total
from
different
a
hazardous
could
result.
Max.
Material
length
26 feet with
Sealed single wall
1 90° elbow
stainless steel
and terminal
(AL29-4C)
26 feet with
Sealed PVC or
1 90°elbow
any other rigid
and terminal
pipe
6 720 608 542
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