New York Low Pressure Boiler Certificate of Fitness (COF) 2025 – 400 Free Practice Questions to Pass the Exam

Abnormal noises in a boiler can often indicate issues related to improper water levels. When the water level in a boiler is either too low or too high, it can lead to various operational problems. If the water level is low, the boiler can experience overheating, leading to steam bubbles forming on the heating surfaces. This phenomenon, known as "boiler banging," can create loud noises as the steam pockets collapse.

On the other hand, if the water level is too high, it can result in water carryover into the steam system, causing hammering noises and inefficient steam distribution. The presence of water in places it shouldn't be can lead to churning and splashing, contributing to the abnormal noises heard during operation.

Maintaining the correct water level is crucial for safe and efficient boiler operation, making it a common cause of associated noises. Understanding this relationship helps operators recognize the importance of monitoring water levels to prevent potential hazards and ensure the boiler functions correctly.