Description
The Xylem-McDonnell & Miller 25AHD Head Mechanism as a vital HVAC system to regulate steam boiler water levels. This detects water levels to activate the feed valve which controls water flow in boilers. The head mechanism operates to regulate water levels properly which protects boilers from overheating and damage. The steam heating system component uses this mechanism to improve operational efficiency while extending equipment durability and minimizing equipment breakdowns. The part provides reliable durability and smooth operation for industrial and commercial HVAC applications.









