1. Failure to tighten blow down valves can be the cause of water leakage in the boiler.

2. The presence of untight boiler tubes and manifolds can result in a loss of pressure and decreased efficiency of the boiler.

3. A faulty feed pump can be the cause of low water pressure in the boiler.

4. If the safety valve is faulty, it can be the cause of excessive pressure buildup in the boiler.

5. The presence of water in fuel can be the cause of decreased efficiency and increased emissions from the boiler.

6. A faulty automatic water level regulator can result in fluctuating water levels in the boiler.

7. Loose blow down valves can result in water leakage and decreased efficiency of the boiler.

8. A faulty oil burning arrangement can be the cause of incomplete combustion and increased emissions from the boiler.