Detailed Product Description
Closed design, big LED screen , soft-touch ;
Digital circuit board for intelligent control ;
Tele-control for alternative ;
SIT gas valve for gas ratio regulation ;
Water pressure protection;
Air pressure protection ;
Power or gas off protection :
Low water pressure operation :
Energy-saving and high efficiency ;
Failure indication ;
Extra exhaust gas drains out function;
The start-up flow of sanitary hot water is 3.5L/min ;
Two stages intelligent anti-freezing system ;
Closed combustion chamber to assure the safety;
water pump anti-seizing & anti-overheat device ;
Timer function :can set any hour of the 24 hours range;
Fan will continue working 20seconds after unit stopped;
Use advanced pressure sensor to instead of traditional pressure watch ;
