After the solar water heater is put into use, it is recommended to use 4 to 5 times a day, preferably within four hours:

1, For the user who lives in the lower floors, the low temperature water in the pipe is firstly be used; especially in the northern winter, the outside air temperature is low, sometimes reaching – 25 DEG C below, the hot water staying in the pipe will be cold quickly, and if six floors, the first floor user need to run out much cold water before the hot water coming out, so it is a real waste of resource. If you frequently use, the situation will be some better.

2, can be effectively antifreeze, so that the water pipeline is always a heat source, coupled with the insulation layer, can be effectively antifreeze. In the northern winter, many people also use a slightly open water heater valve, dripping down.