- Low-water cutoff
- Limit controls
- Burner failure
- Faulty design or fabrication
- Improper installation
- Safety valve
- Improper repair
OSHA also tracks boiler accidents and safety violations, reporting that accidents are caused by (in order):
- Controls
- Piping
- Relief valves
- Components
Draining Low-Water Cutoffs
The low-water cutoff needs to be tested on a regular basis. A probe or float is used to determine the elevation of the water inside the boiler. “Condensate-induced water hammer” can occur when draining the low-water cutoff, which happens when steam is surrounded and quickly condenses by cool water. This can be dangerous, which is why many boiler inspectors require the low-water cutoff be disassembled for inspection. Some manufacturers recommend the replacement of the control every five years.
The Importance of Professional Maintenance & Timely Repairs
According to the American Society of Mechanical Engineers (ASME) CSD-1 2009 boiler code a “systematic and thorough maintenance program shall be established and performed” and “any defects shall be brought to the attention of the boiler owner and shall be corrected immediately.”
A preventative maintenance program can greatly reduce the risk of boiler incident.
Boiler Safety: Proceed with Caution
Boilers are relatively safe due to their redundant safety controls. Still, it is best to proceed with caution when working in a boiler room, following these safety tips.
- Keep flammable items out of the boiler room. Despite the increased risk of incident, flammable items, such as lawn mowers, cleaning solvents, gas cans, and more, are often stored inside boiler rooms, which can be problematic.
- Ensure combustion air openings are clear. When blocked or restricted, combustion air openings pose an immediate risk.
To ensure boiler safety and to avoid accidents, its best to call a professional mechanical contractor, such as Crockett Facilities Services, to perform preventive maintenance services on your boilers. Our service technicians are highly trained and experienced, and can reduce your operating expenses and ensure optimal performance.
Contact us today for a free quote for an annual preventive maintenance agreement for your mechanical and HVAC equipment. Since 2000, CFSI has been servicing commercial and government customers, providing world-class quality service. Take a look at our customer testimonials to learn how our customers have benefitted from our HVAC services.
Call 202.600.2787, email sales@crockett-facilities.com or complete our online form for a service quote. Crockett Facilities Services Inc., a top ten mechanical contractor, provides 24/7 commercial HVAC and mechanical services throughout Washington D.C., Maryland, and Virginia.