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13
Typical vertical piping arrangement
Typical horizontal piping arrangement
Heat Traps
For increased energy efficiency, some
water heaters have been supplied with
factory installed 3/4” NPT heat traps
in the hot outlet line and cold water
inlet line.
These heat traps may require a minimum
of one (1) 90° 3/4” NPT elbow and may
require an additional 90° 3/4” NPT elbow
or a 3/4” coupling depending on your
installation needs. See illustration of
nipples and heat traps on page 25.
During Installation of this water heater…
DO
■ DO check inlet gas pressure to ensure
that it is within the range specified on
the rating plate.
■ DO provide adequate air for
combustion and ventilation as
discussed in the Use and Care Manual
and the National Fuel Gas Code.
■ DO maintain proper clearances to
combustibles as specified on the rating
plate.
■ DO ensure that the venting system
complies with the guidelines found
in the Use and Care Manual and
National Fuel Gas Code.
■ DO contact a Qualified service
technician if the pilot or main
burner will not stay lit. The burner
chamber is designed to be sealed
utilizing a gasket and tamper resistant
screws.
DON’T
■ DON’T block or restrict Combustion
Air Inlet Openings located around the
lower portion of the water heater
jacket.
■ DON’T remove the Burner Access
Door unless absolutely necessary.
This should only be done by a qualified
service technician. A new burner access
door gasket must be installed on any
burner access door that has
been removed.
■ DON’T install this water heater
where standing water may occur.
The
base of the water heater is meant to be
mounted on a dry surface.
■ DON’T operate the water heater
if the sight glass or burner access door
grommet is damaged or broken.
Hot and Cold Pipe Insulation Installation
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 above, that best meets
your requirements.
Sight
Glass
Burner
Access
Door
Grommet