... .04MpaWaterproof Grade:1px4 Advantages: A) Save water: Ordinary storage water heater pipe laying a long, and pipe out the cold water ... , no pipe heat loss; However, by using Ordinary storage water heater, the pipe heat loss can reach 10% to 15%. C ... work. E) Use convenient, the function is all ready, efficient, high quality Five Safety insurance: 1, water and electricity, the double isolation ...