gas and oil dual fired hot water boiler wet-back boiler

For more details contact Ms Celia/E. mail (ydboiler at hotmail com)Te.l(************7)S. kyp e( yuanda-boiler)

WNS series **- the best oil or gas fired boiler!

High efficient heat transfer, sufficient burning with brand burner, environment protection.

1. Applied international latest technology for big volume combustion room design, and use brand burner machine!
2. Corrugated furnace design make large heat transfer area and protect furnace
3. Using fire-tube with screw thread, **2 faster heat transfer efficiency and remove hidden danger of welding cracks
4. Wet-back boiler reduce faults rate and maintenance cost
5.  Equipped with protection devices for overheating, overpressure, lacking water, leak detection, flameout etc.