2019-08-16 1146
1. When the air temperature is below zero degrees Celsius, if the handle of the faucet feels abnormal, it is necessary to scald the bathroom product with hot water until the feel is normal before use.
2019-12-19 1179
1. The working principle of an electric water heater: turn on the heating, do not do insulation, and cannot completely separate raw water from drinking water. There is a float switch on the top right
2019-11-20 1267
After a period of time, the water heater will accumulate bacteria, become dirty and black, and there will be a lot of scale inside the water heater. If not cleaned in time, many pollutants will be pre