What is the primary benefit of using feed water heaters?

The primary benefit of using feed water heaters is to minimize fuel consumption. By preheating the feed water before it enters the boiler, these heaters allow the boiler to operate more efficiently. When cooler feed water is introduced into a boiler, it requires more energy to reach the desired temperature for steam generation. By utilizing feed water heaters, the thermal efficiency of the boiler system is improved because less energy is needed to achieve the effective steam production temperature. This results in significant fuel savings and operational cost reductions over time, making it a strategic choice in energy management for boiler systems.

While other options may represent important considerations in boiler operation, such as cost management or equipment protection, they do not directly address the efficiency improvements associated with fuel consumption reduction that feed water heaters provide.