lp-441 Rev. 002 Rel. 008 Date 8.23.18
42
Inspection Activities
Date Last Completed
Piping
1st Year 2nd Year 3rd 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 3rd 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 3rd 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 (i04 in the Inquiry Mode menu). Record high
fire and low fire. Clean probe with plumbers cloth to remove oxides.
Condensate
1st Year 2nd Year 3rd Year 4th Year*
Condensate Pipe
Disconnect condensate pipe. Clean out dirt. Fill with water to level
of outlet and reinstall. (NOTE: Verify the flow of condensate, making
sure that the hose is properly connected during final inspection.)
Gas
1st Year 2nd Year 3rd 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 off (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 3rd Year 4th Year*
CO / CO2 Levels
Check CO and CO2 levels in exhaust with a calibrated combustion
analyzer. See manual for ranges. Record at high and low fire.
Safeties
1st Year 2nd Year 3rd Year 4th Year*
ECO (Energy Cut
Out)
Check continuity on flue and water ECO. Replace if corroded.
Sensors
Check wiring. Verify through ohms reading.
Final Inspection
1st Year 2nd Year 3rd 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 23 - *Continue annual maintenance beyond the 4th year as required.
