P99 LOW PRESSURE BOILERS EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
The stack switch is the - ANSWERS-Primary control
The aquastat - ANSWERS-Operates the oil burner for
domestic hot water needs
The photoelectric cell is a - ANSWERS-Flame detection
control
The vaporstat is - ANSWERS-A low pressure; pressure
control mounted on the fan housing and will shut down the
burner if no air for combustion exists
The main fuel valve - ANSWERS-A valve that will open or
close the line leading to the automizer of the fuel burner
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
The stack switch is the - ANSWERS-Primary control
The aquastat - ANSWERS-Operates the oil burner for
domestic hot water needs
The photoelectric cell is a - ANSWERS-Flame detection
control
The vaporstat is - ANSWERS-A low pressure; pressure
control mounted on the fan housing and will shut down the
burner if no air for combustion exists
The main fuel valve - ANSWERS-A valve that will open or
close the line leading to the automizer of the fuel burner