Heat Traps - Rheem PowerVent Use & Care Manual

Blower Assembly Dilution Air Holes
Location of Dilution Air Holes
Heat Trap
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.
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 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.
Burner Access
Door Grommet
VACATION A B C
VERY
WARM HOT
COOLER HOTTER
Flammable
Vapor Sensor
These heat traps may require a minimum
of one (1) 90
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 33.
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.
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
Sight Glass
damaged or broken (see to the left).
3/4" NPT elbow and may
°
This
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