Hubbell G250P, Installation & Operation Manual

Page: 14 / 67

14
The quick reference illustrations show the installation
of two
GX
200P water heaters connected together
with a storage tank. Installation of a single unit or
up to five units is basically the same. When
installing multiple units, refer to the Multiple Units
section for additional information.
1. Select a location. Note that the piping can be
confi gured to enter or exit the unit from either the left or
right side, as viewed from the front.
2. Mount the water heater(s) to the wall.
a. Attach two 2x4 mounting blocks (at least 23” for a
single unit or 46” long for two units) to the wall. The
uppermost mounting b
oards
should be at the
desired height for the top of the unit.
IH-80
b. Attach a second mounting block 1
4
”
(center to
center)
below the upper mounting block.
c. Attach metal mounting bracket(s) to the upper
mounting block approximately 3” on either side
of the center and 1/2” down from the top of the
mounting block.
d.
Adjust and tigthen the bottom bracket to the units so
that
the unit to hang
s
vertically on the wall.
e. Hang the unit on the mounting bracket. If multiple
units are installed, the spacing between the units
should be approximately 6”.
IH-81
3. Install the gas lines, as shown in the illustration.
IH-82
a. Temporarily place a short section of 3” schedule
40 PVC pipe on one of the air inlets in order to
judge clearance allowances as the gas piping is
assembled.
b. Due to limited wall clearance, connect the union as
your fi nal step of gas piping.
c. Check for gas leaks at this point in the assembly
process.
QUICK REFERENCE INSTALLATION GUIDE