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AP18733 REV. 3.2.17
84
WARNING
Allowing the water heater to operate with a dirty combustion chamber will hurt operation. Failure to clean the heat exchanger as needed by the
installation location could result in water heater failure, property damage, personal injury, or death. Such product failures ARE NOT covered under
warranty.
INSPECTION ACTIVITIES DATE LAST COMPLETED
Piping 1st YEAR 2nd YEAR 3rd YEAR 4th YEAR
Near water heater
piping
Check water heater and system piping for any sign of leakage. Leaking pipes could
cause property damage. Make sure all piping is properly supported. Flush tankless heat
exchanger annually (more in hard water conditions). See User’s Information manual for
instructions.
Vent
Check condition of all vent pipes and joints. Ensure all vent piping is properly supported.
Check for obstructions exhaust and intake termination points.
Gas
Check Gas piping, test for leaks and signs of aging. Make sure all pipes are properly
supported.
SYSTEM
Visual Do a full visual inspection of all system components.
Functional Test all functions of the system (Heat, Safeties)
ELECTRICAL
Connections Check wire connections. Make sure they are tight.
Switch and Plug Verify ON/OFF switch and convenience plug are both functional
CHAMBER/BURNER
Combustion Chamber
Check burner tube and combustion chamber coils. Clean according to maintenance
section of manual. Vacuum combustion chamber.
Spark Electrode Clean. Set gap at 1/8" (0.3 cm).
CONDENSATE
Condensate Trap Clean debris from the condensate trap. Fill with clean water.
Neutralizer Check condensate neutralizer. Replace if necessary.
Condensate hose
Disconnect condensate hose. Clean out dirt and re-install. (NOTE: Verify the flow of
condensate, making sure that the hose is properly connected during nal inspection.)
GAS
Pressure Measure incoming gas pressure (NG : 5.0" to 10.5" W.C.) (LP : 9.5" to 13.0" W.C.)
Check gas pipe for leaks Check piping for leaks. Verify that all are properly supported.
COMBUSTION
CO/
CO
2
Levels Check CO and
CO
2
levels in Exhaust. Record at high and low re.
SAFETIES
ECO (Energy Cut Out) Check continuity on Flue and Water ECO. Replace if corroded.
FINAL INSPECTION
Check list
Verify that you have completed entire check list. WARNING: FAILURE TO DO SO COULD
RESULT IN SERIOUS INJURY OR DEATH.
Homeowner Review what you have done with the homeowner.
TECH SIGN OFF
The water heater requires minimal periodic maintenance under normal conditions. However, in unusually dirty or dusty conditions, periodic
vacuuming of the cover to maintain visibility of the display and indicators is recommended.
Periodic maintenance should be performed once a year by a qualified service technician to assure that all the equipment is operating safely and
efficiently. The owner should make necessary arrangements with a qualified heating contractor for periodic maintenance of the water heater.
Installer must also inform the owner that the lack of proper care and maintenance of the water heater may result in a hazardous condition.
Table 34 - *Continue annual maintenance beyond the 4th year as required.
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