... CCC,CE,ISO9001:2000 3.Multi-mode Glary vertical gas water heater has its own advantagesA: the adoption of the the ... digital display screen with keys visible. Press the four keys, making timing, burning, fan and showerF: Anti-freeze protection, Pump ... temperature limit protectionSome major accesories of gas boiler:Germany Weile circulating pump with exhaust valve:Intelligent proportional valve:Europ ...