4200 kW/hour capacity 3-pass Scotch type hot water boilers.

Extra Low NOx Hot Water Boiler for Spain.

4200 kW/h capacity 3 pass scotch type hot water boilers.

Boiler emission values ​​will be ≤ 30mg/kWh.
There will be smoke recirculation from the 2nd pass to the burner.

These are called Extra Low NOx boilers.