Description
The Xylem-McDonnell & Miller 63HD Replacement Head W/2 Switch 142600 is a head-mechanism assembly used to restore proper operation in series 63 low water cut-off systems. It regulates as the upper control section that houses the switching components responsible for detecting water level changes and triggering safety responses when low-water conditions occur. It is commonly applied in commercial and industrial boiler installations to protect hot water and steam heating equipment by initiating shutdown signals when unsafe level are detected. The assembly integrates with the existing float chamber to maintain reliable boiler control performance and safeguard system operation under varying load conditions.
