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49-6000226 Rev. 4 15
Installation Instructions
WATER SUPPLY CONNECTIONS
Refer to the illustration below for recommended installation. The HOT and COLD water connections are clearly
marked and are ¾” NPT on all models. When connecting to the inlet/outlet ports, the use of ¾” female NPT
tapered thread fittings with use of thread sealant is recommended. The installation of unions is recommended
on the hot and cold water
connections so that the
water heater may be easily
disconnected for servicing if
necessary. Piping should be
routed to allow anode rod
removal.
NOTE: Install a shut-off valve
in the cold water line near the
water heater. This will enable
easier service or maintenance
of the unit later.
IMPORTANT: Do not apply
heat to the HOT or COLD
water connections. If sweat
connections are used, sweat
tubing to adapter before
fitting the adapter to the cold
water connections on heater.
Any heat applied to the hot
or cold water connection
will permanently damage
the internal plastic lining in
these ports.
Install a vacuum relief valve
and/or anti-siphon device when
required by local jurisdictions.
HOT AND COLD PIPE INSULATION INSTALLATION (if
supplied with product)
For increased energy efficiency, some water heaters have
been supplied with two 24” sections of pipe insulation.
Please install the insulation, according to the illustrations
below, that best meets your requirements.
INSTALLATION INSTRUCTIONS
Typical vertical
piping arrangement
Typical horizontal
piping arrangement
Illustration E (Appearance will vary by model)
Hot water
outlet to
fixtures
Unions
Water Heater
Electrical
Junction Box
Temperature
and Pressure
Relief Valve
Integrated
Electronic Mixing
Valve Shroud (if
Equipped)
Shut-off valve
Conduit to Electrical
Junction Box (use only
copper conductors)
Thermal expansion
tank (Install per
manufacturer’s
instructions, if required.)
Drain Valve Catch Pan
Relief Valve discharge within 6” of
floor and no closer than 2 times the
pipe diameter per local code.
Cold Water Supply
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