The McDonnell & Miller 94-M-HD (Part Number: 166000) is a replacement head assembly designed for use with Series 94 and Series 194 combination low water cut-off and pump controllers in steam boiler systems. This head assembly features a manual reset function, enhancing safety by requiring manual intervention to restart the system after a low water condition is detected.
The 94-M-HD is engineered to maintain consistent water levels in steam boilers, ensuring efficient and safe operation. Its design allows for straightforward installation, making it a reliable choice for boiler maintenance and repair.