Final answer:
True. An automatically fired steam boiler that has a heat input of over 750,000 Btu requires a low water cut off device to prevent damage and ensure safety.
Step-by-step explanation:
True. An automatically fired steam boiler that has a heat input of over 750,000 Btu requires a low water cut off device. This device is designed to cut off fuel to the boiler in the event of a low water condition. It helps prevent damage to the boiler and ensures the safety of the system.
An automatically fired steam boiler that has a heat input of over 750,000 Btu requires a low water cut off device to prevent damage and ensure safety.