Water-gas linked automatic control,
Model of Ignition Methods: Impulse Automatic Ignition by battery or electric transformer power;
Gas Exhaust Type: Flue duct type;
Summer & winter switch for choice;
Over-heat protection device; Unexpected flameout protection device
Low start water pressure;
Water pressure stabilizing design;
20 minutes cut-off device
Water over high pressure protection device;
Over freezing protection device;
Super low water pressure starting design