AK HVAC Practice Questions - Alaska Mechanical Administrator HVAC License Exam

What safety device must be installed on every hot water boiler to prevent catastrophic pressure buildup?

Air filter Pressure relief valve rated for the boiler's maximum working pressure Thermostat Circulation pump

Pressure relief valve rated for the boiler's maximum working pressure

Access more questions from this quiz

Continue to AK HVAC Practice Questions - Alaska Mechanical Administrator HVAC License Exam for more practice questions and the full quiz experience.