Westinghouse WGRGH20**75F Series Installation, Start-Up, Maintenance, Parts, Warranty page 51

COMBUSTION
CO/CO2 Levels Check CO and CO2 levels in Exhaust. Record at high and low fire.
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
Table 32 - *Continue annual maintenance beyond the 4 th year as required.
whl-605 Rev. 002 Rel. 000 Date 1.23.19
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