The 51SB Water Feeder by McDonnell Miller is a reliable solution for maintaining optimal water levels in boiler systems. This unit features a durable construction and is designed for easy installation with standard 1/2" NPT connections. The 51SB operates efficiently within a temperature range of 32°F to 250°F, ensuring consistent performance in various applications. It is equipped with advanced safety features to prevent low water conditions, making it ideal for industrial and commercial use. The water feeder complies with ANSI standards, ensuring high-quality performance.