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installation
instructions
WATER SUPPLY CONNECTIONS
Referto the illustrationbelow for suggestedtypical installation.
The HOTand COLDwater connections are clearly marked
and are sA"NPTon all models.When connecting to the
inlet/outlet ports,the use of sA"femaleNPTtapered thread
fittings with use of thread sealant is recommended.The
installationof unions is recommended on the hot and cold
water connections so that the water heater may be easily
disconnectedfor servicingif necessary.
NOTE:Installa 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 COLDwater
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.
TYPICAL INSTALLATION
To ElectricalJunction Box
,_ Thermalexpansiontank
(useonly copperconductors)
To cold
water supply
Hot water/!v
outlet to
fixtures
Union
Shut-offvalve
3/4" FNPTfitting to
CondensateDrainPan
Q
Temperature & Pressure
ReliefValve
Condensate DrainTube
ReliefValvedischarge
6" (152 cm) minimum
from the floor
CONDENSATION
DRAIN CONNECTION
Thisunit has a condensate drain;therefore a floor or other
drain no higher than 36" (91.4cm)above the floor must be
available in close proximity to the water heater. Drain must
meet state and local codes. It is important to install a fitting
suitable for rigid or flexible drain line to the primary drain
port coming off the side of the unit. Ensurethat the rigid or
flexibledrain line maintains a downward slopeto allow for
proper gravity drainage of condensateto the drain. If no
drain is available,then a common condensate pump with a
capacity no lessthan I gallon (3.8L)/daymust be purchased
and installed.The flexibleor rigid drain line should be routed so
that the discharge water cannot contact live electricalparts or
cause water damage.
Condensate
Drain Overflow
/
Condensate
DrainOverflow
Fitting
• _- Drain
Line
Line
(TypicalInstallations)
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