The 93-HDLS Head Mechanism Less Switch by McDonnell Miller is designed for use in boiler systems requiring precise water level control. This head mechanism is built with high-quality materials for durability and reliability. It operates efficiently in various pressure conditions, making it suitable for a range of applications. The absence of a switch allows for customization based on specific system requirements. Its compact design facilitates easy installation and maintenance, making it a preferred choice for professionals in the industry.