Wärmetauscher 4+1 30 / 35 De Dietrich S100014

This heat exchanger 4+1 30/35 is a key component designed for specific boiler models, featuring a four-pass primary section and an additional pass for enhanced heat transfer. Constructed from durable materials, it efficiently captures heat from combustion gases to warm the water circulating through your heating system. A cracked or leaking heat exchanger can cause serious efficiency loss and safety hazards. Replacing it with this genuine-style part ensures your boiler operates at peak performance and longevity. Ideal for professional installers and maintenance crews.