The typical heat pump defrost termination temperature is around:
A) 90F B) 32F C) 28F D) 50F
Question 2
Combination gas valves used on standing pilot furnaces combine:
A) Gas heating control, fan operation, and air conditioning sequencing.
B) Pressure regulation, automatic gas control, and pilot safety.
C) The transformer, gas valve, and fan relay.
D) Pilot safety, fan control, and gas pressure regulation.