Typology: Fire tube, 3 passes, wet back, flame inversion, horizontal
Capacity: 80 kW – 6,100 kW
Pressurized steel boiler for hot water production.
It can be equipped with a normal market burner and is suitable for liquid or gaseous fuels. Two-position adjustment or, on request, modulating.
The NPR 3S boiler is designed to guarantee a very high efficiency, over 94% for power up to 250 kW and more than 95% for models with power of 300 kW and above.