Gas boiler TRISTAR 2S

for heating onlycommercialindoor

Pressurized, reversed flame, three passes, hot water boiler, in carbon steel, for gas burners only, also LOW NOx. 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)