1.Gas water heater burning will stop automatically when water temperature is over 90C 2.CCC,CE,ISO9001:2000 3.Multi-mode Glary vertical gas water heater ... protection, Proof-high-pressure protectionG: Proof-wind protection,Overvoltage water heating system security protection, flameout protection, temperature sensor failure ... chart Side view the successful cases proof -high-presure gas water heater