high pressure 4 ton steam boiler for hotel The gas or oil fired steam boiler is the fire tube boiler with 3 pass. The boiler adopts the bias furnace and wet back structure. The high temperature smoke flows through the first, second and third smoke pipes in turn. And then the smoke can be discharged into the atmosphere through the chimney. The boiler is provided with the movable front and back smoke boxes covers. So that the boiler is easy to overhaul. Also our boiler is equipped with the burner in great performance. The boiler is also with the functions of automatic combustion adjustment, automatic water feeding regulator, automatic program start or stop, automatic operation and other advanced technology. Besides, our boiler has the functions of high and low level alarm and limit low water level protection, over high pressure protection and automatic flameout protection function. The utility model boiler has the advantages of compact structure, safety, simple operation, quick installation, little pollution, low noise and high efficiency. features of horizontal 1 ton gas steam boiler 1. The flue gas process adopts the 3 pass smoke pipes layout. The boiler is with full butt welding wet back structure and corrugated furnace. The screw thread smoke pipe is arranged in convection area. There is a long flue gas flow process in the boiler. So that the boiler is with a great heat transfer effect; 2, compact structure, simple and easy installation, less infrastructure investment 3, according to user requirements, the boiler can be configured with different fuel burner to adapt to different fuels: natural gas, liquefied petroleum gas, light oil and so on; 4. Meters and valves are also matched with the boiler. We selected top qualified accessories for the boiler and we can not only ensure our boiler quality but also we can provide all the accessories a 2 years warranty.