This is a carbon steel body, BSP‑threaded low‑power low loss header for DN25 from manufacturer FlexEJ. It includes a plugged air vent and drain, and a brass thermocouple pocket with clip fitted in a ½” socket. A low loss header decouples the boiler from the system, allowing the boiler circuit flow to operate at maximum efficiency under all system conditions. Designed for closed HVAC heating systems.

Not suitable for drinking water.

• Carbon steel body.
• Rating – 6 Bar @ 110°C
• BSP threaded – 1″ (G1″)
• Flow – 2.0 m³/h
• Power – 50 kW
• Body size – DN 50 mm