Duco Boiler Inlet Combination

The Duco inlet combination is designed to protect closed water heater systems and streamline installation work. It enables controlled water supply, shut-off functionality and safe pressure relief, while the integrated non-return valve and test screw make inspection straightforward. The 360° rotatable funnel allows flexible positioning, which is useful in tight installation spaces.

Suitable for gas, electric and indirect boilers as well as systems with a tap coil, it meets EN-1488 requirements and carries Kiwa certification. This gives you a dependable and universal fitting that simplifies your workflow and supports long-term system reliability.