Page 198 - 8170 Money Builder Binder for Owner_Neat

INSTALLATION

Step 6: system (or any other pre-heaƟ ng
system), always install a ThermostaƟ c IF YOU HAVE COPPER
Install shutoī and Mixing Valve or other temperature PIPES:
tempering valves limiƟ ng device in the inlet water supply If your home has copper water
line to limit water supply inlet pipes, you can solder the water
If one is not already installed, temperature to 120°F. Solar water
1 install a manual shutoī valve heaƟ ng systems can supply water with pipe connecƟ ons or use compres-
in the cold water line that temperatures exceeding 170°F and sion Į ƫ ngs which don’t require
supplies the water heater. Install the may result in water heater soldering. Compression Į ƫ ngs
shutoī valve near the water heater so malfuncƟ on. are easier to install than soldering
that it is readily accessible. Only use pipe. Check with local plumbing
oĸ cials to determine what types
valves that are compaƟ ble with WARNING! Hot water provided
potable water. Use only full-Ň ow ball by solar heaƟ ng systems can cause of pipe materials are suitable for
your locaƟ on. Do not use lead-
or gate valves. Other types of valves severe burns instantly, resulƟ ng in
may cause excessive restricƟ on to the severe injury or death (page 4). based solder.
water Ň ow.
Step 7:

Install a ThermostaƟ c Mixing
2 Valve at each point-of-use 1 Connect the water
supply
INSTALLATION bathroom sink, bath, shower). Determine the type of water pipes in NOTICE: Do not solder pipes while
(for example, kitchen sink,
Consult the valve manufacturer’s
your home. Most homes use copper
instrucƟ ons or a qualiĮ ed person.
water pipes, but some use CPVC or
cross-linked polyethylene (PEX). Use
they are aƩ ached to the water
Į ƫ ngs appropriate for the type of pipe
in your home. Do not use iron or PVC
and outlet connecƟ ons contain
pipe – they are not suitable for potable heater. The water heater’s inlet
non-metallic parts which could be
water. damaged. The proper way to con-
nect the water heater to copper
Connect the cold water water pipes is as follows:
2 supply using 3/4 inch

NaƟ onal Pipe Thread “NPT” • Solder a short length of pipe
Figure 14 -രInstall Thermostatic Mixing to the cold water inlet nipple. (about a foot or so) to a thread-
Valves at each point where hot water will For ease of removing the water heater ed adapter using only 95/5 Ɵ n-
be used. anƟ mony or equivalent solder.
for service or replacement, con-
WARNING! Even if the water AƩ ach the threaded adapters to
nect the water pipes with a coupling
heater’s thermostat(s) are set to a the water heater’s connecƟ ons
called a union. We recommend using
relaƟ vely low temperature, hot water (using TeŇ on® tape or pipe joint
a dielectric-type union (available at
can scald. Install ThermostaƟ c Mixing compound). Connect the home’s
your local plumbing supplier ). Dielec-
Valves at each point-of-use to reduce
tric unions can help prevent corro- water pipes by soldering, keep-
the risk of scalding. (page 4.)
sion caused by Ɵ ny electric currents ing the connecƟ ons at the water
common in copper water pipes and heater cool with wet rags.
For water heaters that are fed
3 by a solar water heaƟ ng can help extend the life of the water
heater.

12 • ResidenƟ al Electric Water Heater Use and Care Guide