Bosch GWH 2700 ES LP - Manual (Page 16)

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16
Installation instructions
3.3.5 Condensate drain installation
Note: Do not install condensate drain in areas where it
may freeze.
1. Install condensate drain as close to heater as possi-
ble.
2.
Use 3/8" ID high temperature silicone tube to con-
nect to condensate drain port. Do not use copper pip-
ing for any portion of the condensate drain.
3.
Form a condensate trap by means of a 3" loop par-
tially filled with water.
4.
To increase the tube length, connect to end of the
high temperature silicone tubing with vinyl tubing, PVC
or CPVC pipe. Do not reduce the internal diameter at
any point.
5.
Dispose of condensate according to local codes.
Fig. 21 Condensate drain installation (combustion air
piping not shown)
3" Venting Z-flex ProTech Heat Fab
90°
Condensate
Drain Tee 2SVEVWCF03 FST3 &
FSDF3
93PPLSTEE
Horizontal
Condensate
Drain 2SVEDWCF03 FSHDT3 9321
Condensate
Drain Tube 2SVEDTK24 N/A 7000TUBE
Table 9 Approved Condensate Drain Part Numbers
RAIN CAP
STORM COLLAR
FLASHING
4" MIN.
AIR SPACE
CONDENSATE
APPLIANCE
6720608782-04.2Av
ELBOW
FIRESTOP SUPPORT
DRAIN TRAP
TO DRAIN - DISPOSE
OF CONDENSATE
ACCORDING TO
LOCAL CODES
DRAIN TEE
2' MIN.
10' MIN.
3' MIN.