With the gradual decrease of temperature, the use frequency of domestic gas water heater is increasing. However, many people will find that the gas water heater is not hot in the process of using the gas water heater. So, do you know the reasons why the water of gas water heater is not hot?
The reason why the water of gas water heater is not hot
1. The gas passage is blocked, such as sundries or blockage in the outlet nozzle. Some water heaters that repent of natural gas may not be reformed to the appropriate size or the secondary pressure is not adjusted during the reform, such as water heaters in the forest and energy rate;
2. Water gas linkage assembly presents fault;
3. There is scale in the copper pipe of the heat exchanger or carbon deposit in the heat exchanger.
4. There may be scale in the gas filter screen, pressure reducing valve and pipeline (pipeline), and the fire channel and water channel can be cleared.
5. Computer board failure is common in advanced computers.
Precautions for use of gas water heater
I. pay attention to correct installation and use, and maintain ventilation in the room to prevent poisoning due to excessive carbon monoxide content.
1. According to the requirements of national standards, except for balanced gas water heaters, other types of gas water heaters must be installed outside the bathroom;
2. In winter, because of the cold weather, the doors and windows of the user's home are often closed, so the smoke exhaust pipe should be installed in the place of ventilation or the exhaust fan should be installed. Check whether the exhaust fan is open before using the gas water heater every time;
3. The smoke exhaust pipe must be installed with anti backdraft device, and pay attention to whether the smoke exhaust pipe is unobstructed, deformed and blocked;
4. During installation, try to avoid placing the smoke exhaust pipe in the direction of back filling air. When it is found that the smoke exhaust pipe is back filling air or the flue water heater is pouring smoke from the flue in windy weather, the use of gas water heater shall be suspended.
5. Regularly carry out safety maintenance on the gas water heater to avoid gas leakage.
II. Pay attention to drain the residual water in the water tank in time to prevent the pipeline from leaking due to the freezing crack of the water tank.
1. When the temperature is lower than 0 ℃, the following five steps can be taken to prevent the freezing crack of the water tank:
Close the gas valve and cut off the power supply; Close the water inlet valve; Open the hot water valve; Turn the water temperature adjustment knob to the "low temperature" or "flood" position; Remove the drain valve to drain. If it is used again, the drain valve must be installed before it can be used normally.
2. The working environment temperature of gas water heater with active anti freezing function must be above - 15 ℃. Therefore, in order to avoid accidents caused by unable to grasp the change of ambient temperature in time, users of gas water heater with active anti freezing function are recommended to complete the operation of preventing freezing crack of water tank according to the above steps after each use.