Integral heating and shower multiple wall-mounted stove: 1) Anti-freeze device 2) Protection device of the limit temperature Features:1. Anti-freeze device: the water pump starts the burner light by the mini power whenflow water temperature is below 6°C, and stop when the water...

double circle gas boiler .1.Numerically controlled system. 2.Constant temperature..3.Water heating rate over 90%, more economic gas boiler1.Numerically controlled system.  2.The priority of hot water for life.  3.Constant temperature.   4.Water...