Xylem-McDonnell & Miller 310452 Cartridge Black W/Green Dot

The Xylem-McDonnell & Miller 310452 Cartridge in Black color with Green Dot replacement component is intended for use in HVAC systems and low water cut-off controls. This is an essential part of boiler safety to prevent damage or failure of the system by detecting water levels and shutting off when levels are too low. It is compatible with Series 67 controls and similar equipment. The black cartridge with a green dot is designed for durability and durability, and durable performance, to ensure efficient, safe HVAC system boiler operation.