Class 5 Boiler Practice Exam

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A journey plumber can work on a hot water heater boiler without a boiler license as long as the boiler does not exceed how many BTUH per hour?

500,000
750,000
1,000,000
1,250,000

The correct answer is: 750,000

A journey plumber is legally permitted to work on a hot water heater boiler without holding a dedicated boiler license as long as the boiler's output does not exceed a specific BTU/hour threshold. In this case, the limit is set at 750,000 BTUH. This threshold is established to ensure safety and proper operation while allowing licensed professionals to perform specific tasks without requiring extensive licensing for every type of boiler. The 750,000 BTUH limit reflects regulatory measures that balance accessibility for plumbers with the safety considerations inherent in boiler operations, as larger boilers can pose greater risks due to their more complex systems and potential for failure. Understanding this limit is crucial for anyone in the plumbing or heating industry to ensure compliance with legal standards and maintain safety.