* Low water pressure starup function
* Double ignition pin,Water control automatic impulse ignition by Water-gas interlock valve
* Flame out failure protection , Anti-dry combustion
* Over heating and 20 minutes timer shutdown protection
* Panel in new and good design,different color coating panel
* Winter-summer switch for gas saving
* Good pulse ignitor to keep the battery funtional in one year.
* Excellent heat exchanger asorbs heat more efficiently
* ODS can be chosen
* Special Cold and hot water convert.
