A central heating system is to provide hot water or steam to the whole interior of a building from one heat source to multiple rooms. Sitong Boiler produces large numbers of boilers that could used for central heating system.

WNS series oil gas fired packaged boiler could be used for central heating. It is a kind of safe and high efficiency heating equipment with full automatic control system. This series packaged boiler is horizontal type fire tube boiler with three pass structure, it has compact structure, small volume, strong load adaptability and low water quality requirement. This boiler adopts wet wet back structure, it can adapt to the high temperature, has a good sealing, increase the radiation heat transfer area and improve the heat transfer efficiency.