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BLUE TIPS
LIGHT BLUE INNER
CONES ARE
SATISFACTORY
CORRECT FLAME
SOFT BLUE
Figure 41
COMBUSTION CHAMBER AND BURNER CLEANING
In the event your burner or burner air openings require
cleaning, Call your service agency to remove and clean
the burner and correct the problem that required the burner
to be cleaned.
HOUSEKEEPING
DANGER
• Do not place chemical vapour
emitting products near air intake
and exhaust terminations.
• Do not use or store flammable
vapour products such as
gasoline, solvents or adhesives
in the same room or area near
water heater or other appliance.
• Can cause serious injury or
death.
INSTALLED IN SUITABLE AREA:
To ensure sufficient ventilation and combustion air
supply, proper clearances from the water heater must
be maintained. See "Locating The New Water Heater"
section. Combustible materials such as clothing, cleaning
materials, or fl ammable liquids, etc. must not be placed
against or adjacent to the water heater which can cause
a fi re.
TEMPERATURE-PRESSURE RELIEF VALVE TEST
DANGER
HOT
HOT
BURN
It is recommended that the temperature-pressure relief
valve be checked to ensure it is in operating condition at
least once a year.
When checking the temperature-pressure relief valve
40
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INCORRECT
FLAME LAZY
YELLOW
Fire and Explosion Hazard
• Burn hazard.
• Hot water discharge.
• Keep clear of
temperature-pressure
relief valve discharge.
operation, make sure that (1) no one is in front of or around
the outlet of the T&P valve discharge line, and (2) that
water discharge will not cause any property damage, as
water may be extremely hot. Use care when operating
valve as the valve may be hot.
To check the relief valve, lift lever at the end of valve
several times (see Figure 42). The valve should seat
properly and operate freely.
If after manually operating the valve, it fails to completely
reset and continues to release water, immediately close
the cold-water inlet to the water heater and drain the water
heater, see "Draining And Flushing" section. Replace
the T&P valve with a properly rated/sized new one, see
"Temperature-Pressure Relief Valve" for instructions on
replacement.
If the Temperature-Pressure Relief Valve on the water
heater weeps or discharges periodically, it may be due to
thermal expansion.
Note: Excessive water pressure is the most common
cause of temperature-pressure relief valve leakage.
Excessive water system pressure is most often caused
by "thermal expansion" in a "closed system." See "Closed
Water Systems" and "Thermal Expansion" sections of this
manual. The T&P valve is not intended for the constant
relief of thermal expansion.
Temperature-pressure relief valve leakage due to pressure
build up in a closed system that does not have a thermal
expansion tank installed is not covered under the Limited
Warranty. Thermal expansion tanks must be installed on
all closed water systems.
www. gsw-wh .com
Figure 42
WARNING
Explosion Hazard
•
Temperature-pressure relief
valve must comply with ANSI
Z21.22-CSA4.4 and ASME
code.
•
Properly sized temperature-
pressure relief valve must be
installed in opening provided.
•
Do not plug, block, or cap the
discharge line.
•
Failure to follow this warning
can result in excessive tank
pressure, serious injury or
death.
328765-000
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