Xylem-McDonnell & Miller 51-2-M-HD Head Mechanism 135300

The Xylem-McDonnell and Miller 51-2-M-HD Head Mech for an automated water dispenser. It is an essential part that helps control the water level in many HVAC units, such as steam generators, boilers, and hydronic heating systems. The head mech sounds an alert or turns the system off when the water level drops below a safe threshold to guard against damage.  The 51-2-M-HD Head Mech is usually constructed from premium materials like brass or stainless steel and is intended to be dependable and long-lasting. It is a well-liked option for both professional experts and homeowners because it is also reasonably simple to install. It regulates the flow of water into the boiler, so maintaining the proper level of water in the system.