13
Heat Trap
For increased energy efficiency, some
water heaters have been supplied with
factory installed 3/4 in. 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 in. NPT
elbow and may require an additional
90° 3/4 in. NPT elbow or a 3/4 in.
coupling depending on your installation
needs. See illustration of nipples and
heat traps on page 22.
For increased energy efficiency, this water heater has been supplied with a 2 3/8 in. section of T&P
insulation. Please install the insulation as shown below.
T&P Insulation Installation
Typical Side Connect T & P Arrangement.
Slip the insulation cover over the T&P
Valve through the center hole and align the
hole in the side with the opening of the T&P
Valve.
Ensure the T&P Valve opening is not
obstructed by the insulation.
Typical Top Connect T & P Arrangement.
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 Instruction/
Warning Label.
❑ 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 pilot assembly grommet is
damaged or broken.
Pilot Assembly
Grommet
Sight Glass
During Installation of this water heater
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