Instructions / Assembly

25
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 allow enough time for joint cement
vapors to dissipate BEFORE applying
power to the water heater.
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 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 or the Flammable Vapor
Sensor located around the lower portion
of the water heater jacket.
DON’T block or restrict the Blower
Assembly Dilution Air holes (see
diagram to the left).
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 allow cleaners, solvents, or other
materials to come into contact with the
Flammable Vapor Sensor.
DON’T operate the water heater if
the sight glass or burner access door
grommet is damaged or broken (See
below).
During Installation of this water heater...........
Heat Traps
For increased energy efficiency, some water
heaters have been supplied with factory
installed 3/4 in. NPT heat trap fittings in the hot
outlet line and cold water inlet line.
These heat trap fittings may require 90° 3/4 in.
NPT elbow(s) 3/4 in. coupling(s) depending
on your installation needs. See Illustration of
nipples and heat traps on page 38.
Sight Glass
Flammable
Vapor Sensor
Burner Access
Door Grommet
Dilution Air Inlet