Low temperatures directly cause various failures in gas water heaters in some homes. Recently, many users have reported that the gas water heaters in their homes have been cracked, resulting in “water flooding in the mountainsâ€. So, how should consumers protect their gas water heaters from freezing? What else should you pay attention to when using them?
Gas water heaters are widely favored by consumers because of their heat and energy saving. However, since gas water heaters are generally installed on balconies, they are close to the outdoor distance. If the temperature is too low, there is a danger of freezing cracks if there is no protection. In addition to the low temperature around the gas water heater itself, the filling of the exhaust pipe into the cold air is also one of the important reasons for its cracking. Experts have warned that gas-fired water heaters should be equipped with a balanced exhaust pipe. The front of the exhaust pipe is sealed and has small holes around it for exhausting smoke. When cold air is blown into the exhaust pipe, it is immediately discharged from the other side by entering the small hole from one side. Since the front part is sealed, cold air will not be poured into the water heater, which can effectively prevent freezing cracking.
To prevent the gas water heater from cracking, you should also keep in mind the following two aspects:
First, when the outdoor temperature is lower than 0 °C, the following steps should be taken to prevent the tank from freezing and cracking after each use: 1. Close the gas valve and cut off the power supply; 2. Close the inlet valve; 3. Open the hot water valve; 4. Turn the water temperature adjustment knob to the “low temperature†or “large water†position; 5. Remove the drain valve for drainage (when used again, be sure to install the drain valve before it can be used normally), in addition, with active antifreeze The function of the water heater should not be turned off.
Secondly, when the working environment temperature of the water heater is below -15 °C, the gas water heater with active antifreeze function also has the risk of the water tank being cracked. Therefore, the water heater with active antifreeze function is in every
After the second use, you also need to follow the above steps.
Complete the prevention of water tank cracking operation.
(Zhang Xi)
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Use 4 attention
In terms of purchase and installation, first of all, we must select some products with alarm function produced by well-known manufacturers, and at the same time select cylinders and other ancillary products produced by regular manufacturers that meet national safety standards. Secondly, the water heater's combustion device should be installed outside the bathroom as much as possible, leaving only the water control valve and the spray head in the bathroom; if it must be installed in the bathroom, it must be set up with the air inlet and outlet. Do not close the doors and windows. In case of abnormality, people outside can get in time for ambulance.
In addition, in the cold winter, in addition to preventing the water tank from freezing and cracking, the following four points should be paid attention to when using the gas water heater:
1. Prevent gas poisoning. Winter is a period of high incidence of gas poisoning. Because of the cold weather, many consumers usually have doors and windows closed. If the gas water heater is not fully burned, it is easy to be poisoned. The gas water heater must be installed outside the bathroom, and a smoke exhaust pipe must be installed to ensure the smooth discharge of smoke. Do not hang items on the air supply and exhaust ports of the room during use, so as not to affect the air circulation. Before each use, check whether the room window or exhaust fan in which the water heater is installed is open and the ventilation is good.
2. Prevent gas leakage. Always check the gas fittings, gas pipes or hoses for leaks with soapy water. Once the hose is found to be cracked, it must be replaced immediately. If a gas leak occurs, immediately close the gas valve, open the door and window to ventilate, and disable the telephone and electrical appliances. Users of liquefied petroleum gas are strictly prohibited from inverting or venting the cylinder. Also pay attention to the timely replacement of products over the life of the product.
3. Prevent fires. It is forbidden to place flammable and volatile materials around the water heater. It is forbidden to put flammable products such as towels and rags on the exhaust port and air supply port. Especially in winter, the air is relatively dry and it is more likely to cause fire.
4. Prevent leakage. The power supply must have a reliable ground wire and check the leakage protection switch regularly (weekly) to ensure its normal operation.
(Zhang Xi)
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