The Ecostealth Heat Pump Unions are a reliable solution for connecting your Ecostealth heat pump to the plumbing system. These unions are compatible with a range of Ecostealth heat pump models and are constructed from durable materials to ensure a secure, leak-free connection. Their primary function is to prevent dirt, debris, and other foreign objects from entering the heat pump plumbing, helping to maintain system efficiency. Designed for easy installation and removal, they make maintenance quick and straightforward.