... boiler 2:Using the most advanced combustion technology . gas boiler,A head, drum, top Furnace, Furnace, ... , therefore, generally suitable for burning high quality gas. Such as the increase in the furnace refractory ... of the boiler structure, good heat transfer.The gas boiler design is reasonable, simple structure, convenient operation ... .60.717024.50.951.3×4.0LSH0.7-0.70.70.718027.50.951.3×4.3 gas boiler