LP-454 Rev. 004 Rel. 002 Date 12.1.17
39
Inspection Activities Date Last Completed
Piping 1st Year 2nd Year 3
rd
Year 4th Year*
Near heater piping
Check heater and system piping for any sign of leakage; make sure
pipes are properly supported.
Vent
Check condition of all vent pipes and joints. Ensure the vent piping
terminations are free of obstructions and blockages.
Gas
Check gas piping. Test for leaks and signs of aging. Make sure all pipes
are properly supported.
System 1st Year 2nd Year 3
rd
Year 4th Year*
Visual Do a full visual inspection of all system components.
Functional Test all functions of the system (Heat, Safeties).
Temperatures
Verify safe settings on heater or anti-scald valve.
Verify programmed temperature settings.
Electrical
Connections Check wire connections. Make sure connections are tight.
Smoke and CO
Detector
Verify devices are installed and working properly. Change batteries if
necessary.
Circuit Breakers Check to see that the circuit breaker is clearly labeled. Exercise circuit
breaker.
Chamber / Burner 1st Year 2nd Year 3
rd
Year 4th Year*
Combustion
Chamber
Check burner tube and combustion chamber coils. Clean according
to maintenance section of manual. Vacuum combustion chamber.
Replace any gaskets that show signs of damage.
Spark Electrode Clean. Set gap at 1/4” Clean probe with plumbers cloth to remove
oxides.
Combination Ignitor
and Flame Probe
Check ionization in uA (d7 in Status Menu in Start-Up Procedures).
Record high re and low re. Clean probe with plumbers cloth to
remove oxides.
Condensate 1st Year 2nd Year 3
rd
Year 4th Year*
Neutralizer Check condensate neutralizer. Replace if necessary.
Condensate Pipe Disconnect condensate pipe. Clean out dirt. Fill with water to level
of outlet and reinstall. (NOTE: Verify the ow of condensate, making
sure that the hose is properly connected during nal inspection.)
Gas 1st Year 2nd Year 3
rd
Year 4th Year*
Pressure Measure incoming gas pressure (3.5” to 10” WC for Natural Gas, 8” to
14” WC for Propane).
Pressure Drop Measure drop in pressure on light o (no more than 1” WC).
Check Gas Pipe for
Leaks
Check piping for leaks. Verify that all are properly supported.
Combustion 1st Year 2nd Year 3
rd
Year 4th Year*
CO / CO2 Levels Check CO and CO2 levels in exhaust. See Start-Up Procedures for
ranges. Record at high and low re.
Safeties 1st Year 2nd Year 3
rd
Year 4th Year*
ECO (Energy Cut
Out)
Check continuity on ue and water ECO. Replace if corroded.
Sensors Check wiring. Verify through ohms reading.
Final Inspection 1st Year 2nd Year 3
rd
Year 4th Year*
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.
Table 19 - *Continue annual maintenance beyond the 4th year as required.
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