Bosch GWH C 800 ES Installation Instructions Manual page 17

3.12.1 Vent material and specifications
All combustion air and vent pipe materials and fittings
must comply with the following:
Item Material
PVC schedule 40
Vent or
PVC-DWV
air pipe
and
CPVC schedule 40
fitting
ABS-DWV schedule 40 ANSI/ASTM D2661
PVC
Pipe
cement /
CPVC
primer
ABS
Table 3 Approved vent material
For specific questions concerning vent material,
specifications, usage or installation, please
contact the vent manufacturer directly.
Warning: Protect the exhaust and inlet
from leaves and debris by installing a
screen on the end of the terminator.
Failure to do so may result into
malfunction or damage to the appliance.
Do not use cellular foam core pipe.
i
Ensure that a condensate drain is always
i
installed at the condensate outlet on the
bottom of the appliance. See section
"3.12.3 Connecting the condensate water
drain" on page 23.
Maximum vent length
Single
pipe Diam.
26 feet +
1st elbow +
end terminal
Exhaust 3 or 4
vent inches
18 feet +
1st elbow +
end terminal
26 feet +
1st elbow +
end terminal
Intake 3 or 4
vent inches
18 feet +
1st elbow +
end terminal
Table 4 Maximum vent length (intake + exhaust)
6 720 608 643
United States Canada
ANSI/ASTM D1785
ANSI/ASTM D2665
ANSI/ASTM F441
CSA or ULC
certified only
(ULC-S636)
ANSI/ASTM D2564
ANSI/ASTM F493
ANSI/ASTM D2235
Max. Allowed
length terminals
"T" terminal
90° elbow
Concentric
(KGAVT0601CVT)
"T" terminal
90° elbow
Concentric
(KGAVT0601CVT)
Note:
i
B For twin pipe a maximum combination
length:
52 ft + two 90º elbows + two terminals.
B For concentric solution a maximum
combination length:
36 ft + two 90º elbows + two terminals.
Description Part no.
3- In. Rain Cap 320561-402
4- In. Diameter
24 In. long
SDR-26 Pipe
3- In. Y
320656-402
Concentric Fitting
2- ½ In. Diameter
37-1/8 in. long
SDR-26 Pipe
Table 5 Concentric vent part breakdown
Installation instructions
Kit part no. and
quantity
KGAVT0601CVT
1
1
1
1
17