The 64-HD Head Mechanism by Verne Simmonds Co McDonnell Miller is designed for reliable operation in various heating applications. This head mechanism is engineered to provide precise control and monitoring of water levels, ensuring optimal performance in boiler systems. Constructed with durable materials, it features a compact design that fits seamlessly into existing setups. The mechanism is compatible with standard interfaces and complies with industry standards for safety and efficiency. Ideal for both residential and commercial use, the 64-HD is a trusted choice for maintaining water levels in heating systems.