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HVAC
BPI Heating Professional
Combustion Safety Testing
Knowledge Check
Combustion Safety Testing
Knowledge Check
Knowledge Check
1 / 15
A furnace flue gas measurement reads 350 ppm CO air-free at 5 minutes. Under ANSI/BPI-1200-S, what action must the technician take?
A
Shut down the furnace immediately - 350 ppm exceeds the 200 ppm limit
B
Retest after 15 minutes of operation to see if the reading drops
C
No action needed - 350 ppm is within the furnace limit of 400 ppm air-free
D
Continue monitoring - action is only required above 500 ppm
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