List the three items that are necessary for combustion.
Correct Answer:
Verified
Q21: When troubleshooting a gas furnace, the technician
Q22: Match the gas to its typical pressure.
Q23: List four types of ignition on residential
Q24: Match the gas to its typical pressure.
Q25: What is the efficiency rating of a
Q26: The _ rating of fossil-fuel heating appliances
Q27: Match the gas to its typical pressure.
Q28: List and describe two common types of
Q29: When troubleshooting a gas furnace, the technician
Q30: _ appliances draw in outside air for
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents