Pressurized, reversed flame, three passes, hot water boiler, in carbon steel, for gas burners only, also LOW NOx.
Output range: from 450 to 6100 kW
- Certified in ranged output
- Boiler body of elliptic shape, up to 870 kW, and cylindrical shape for the remaining models.
- High mechanical resistance thanks to the floating furnace from 680 to 6100 kW.
- Third actual smoke pass in special multi-fin bimetallic pipes
- first section of the pipes with turbulators and the last section with aluminum profiles that assures high thermal exchange withstanding the condensates (Unical Patent)
- tab effect on the welding seams of the pipes to the rear tube plate (Unical Patent)
- Water ways guided and braked by special baffles inside the boiler body
- High thickness insulation in mineral wool
- Adjustable front door in vertical / transversal / axial direction, with double opening (to the right and to the left), with insulation in recyclable super light concrete
- Construction according to EN 303-1 - pipes in carbon steel according to DIN 1626,
- 2 bulb holders of ½” with inside diameter from 15 mm (suitable for 3 bulbs each)
