The 847 Make-Up Water Feeder from McDonnell Miller is a robust solution for maintaining water levels in heating systems. Designed for high performance, this feeder automatically replenishes water, ensuring efficient operation. It is compatible with various heating applications and features durable construction for long-lasting use. This model is available in bulk quantities of 12 or more, making it ideal for contractors and maintenance teams. Compliant with industry standards, it guarantees reliability and safety in demanding environments.