An electric furnace that operates, but produces less heat than it used to produce. Which of the following could NOT be the cause?
A) An open fusible link B) An open strip heater
C) A bad sequencer coil D) a bad transformer
Question 2
Why is supplemental heat the second stage of heating and not the first?
A) because electric strip heaters turn on and off constantly
B) because the thermostat won't let energize right away
C) because electric strip heaters produce heat less efficiently
D) because auxiliary heat is inexpensive
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