A wood-fired high-pressure boiler with over 500 sq ft of heating surface requires how many feedwater means?

For a wood-fired high-pressure boiler that possesses over 500 square feet of heating surface, the requirement of having two feedwater means is based on safety and operational protocols.

In high-pressure boiler operations, redundancy in the feedwater system is critical. This ensures that there is always a backup supply of water to maintain proper water levels in the boiler, especially given the demands and risks associated with high-pressure environments. Having at least two feedwater means allows for continuous operation in the event one system fails, thereby preventing dangerous situations like overheating or boiler damage due to low water levels.

This requirement is in line with industry standards and regulations aimed at enhancing the safety and reliability of boiler operations. Therefore, having two feedwater means aligns with best practices in boiler management for high-pressure systems.