What is a blow-off valve used for in a boiler system?

A blow-off valve in a boiler system serves a crucial role in removing sediment and scale that accumulate over time due to the heating of water. As water is heated in a boiler, impurities and minerals can settle at the bottom, creating a buildup of deposits. This accumulation can lead to several issues, including reduced efficiency, overheating, and even damage to the boiler over time.

By using the blow-off valve, operators can periodically drain some of the water from the bottom of the boiler. This action helps to clear out unwanted solids, ensuring the boiler operates efficiently and safely. Regular maintenance using the blow-off valve contributes to the longevity of the boiler system and helps maintain optimal performance levels.