老熟妇仑视频一区二区三区四区,99久热re精品免费观看,www.午夜色色色色av,仓井空电影大全百度影音

>>Performance characteristics

◆ ON/OFF heater, with automatic ignition.

◆ Propan, Natural gas of Biogas.

◆ Positioned inside of outside the building.

◆ Stainless steel of galvanized chassis.

◆ Distribution fan with fixed flow.

◆ Double gas valve controlled by an electronic circuit card and programmer.

◆ Sparking generator to produce electronic ignition.

◆ Flame sensor by ionization.

◆ Thermal protection by overheating thermostat.

◆ Safety control box to control operation cycle, with a remote reset in case of fault and diagnostic.

>> Technical parameter