Technicians should be careful when brazing lines to evaporator coils that have preinstalled thermostatic expansion valves because the heat from brazing the lines:
A) Can overheat the TEV bulb and destroy the valve.
B) Alters the chemical makeup of the bulb charge and changes its physical properties.
C) Can weld the sensing bulb to the suction line.
D) Can catch the refrigerant on fire.
A
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