(1) pay attention to the water time.

2 according to the weather condition, decided on the water, to ensure the proper water temperature; while taking a shower

(3) check the pipe of water heater, vent device is working correctly;

(4) serious pollution or sand, dry areas across the flush valve;

5] water heater installed, non-professional personnel don't move, loading and unloading the machine, in order to avoid damage to critical components;

[6] with water before, must first cut off the auxiliary electrical heating power source;

Once the thunderstorm weather or long-term need not when, must dial the auxiliary electrical heating under the plug.