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Figure 1 -
Flexible connectors use compression
fittings and do not require soldering.
Figure 2 -
Use a non-contact circuit tester to
insure that the power is off before you work on
a circuit.
Figure 3 -
Install a Pressure Reducing Valve set
to 50 to 60 PSI.
Review all of the instructions
1
before you begin work.
Improper installation can
damage the water heater and
property, and can present risks of
serious injury or death.
Check with your local/
2
provincial authorities for any
local/provincial codes that
apply to your area. In the absence of
local/provincial codes, follow the
"Canadian Electrical Code" CSA C22.1
current edition and the National
Plumbing Code (NPC). The instructions
in this manual comply with national
codes, but the installer is responsible
for complying with local/provincial
codes.
Before you start, be sure you
3
have, and know how to use,
the following tools and
supplies:
• Plumbing tools and supplies
appropriate for the type of water
pipes in the plumbing system
• Threaded connectors (figure 1) for
the cold and hot water pipes
• For plastic pipe, use threaded
connectors suitable for the specific
type of plastic pipe used: CPVC and
PEX (cross-linked polyethylene). Do
not use PVC pipe.
• For copper pipe, you may purchase
connector kits with compression
fittings that don't require soldering
(figure 1). Compression fittings
are easier to install than soldering
copper pipes.
• Thread sealant tape or pipe joint
compound approved for potable
water
• Tools to make the electrical
connections (for example,
screwdrivers, wire strippers)
• Non-Contact circuit tester to check
for power (figure 2)
• Water Pressure Gauge (see page 11,
figure 4)
Recommended Accessories:
• Suitable drain pan (see page 12,
figure 6)
• Automatic leak detection and shut-
off device
• Pressure Reducing Valve (figure 3)
• Thermal Expansion Tank (see page
11, figure 5)
• Thermostatic Mixing Valves (see
page 12, figure 7)
Commercial Electric Water Heater Use and Care Guide • 7
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