Gas water heater valve to shut it after use

Regular use can not close, long-term use closed.
Note the use of natural gas valves:
1.A purchase and use good quality and safety performance of the stove and water heater, counterfeit products are a source of the accident;
2, have a qualified professional install gas facilities according to specifications, can not change on their own or within a line installed by households, on the outdoor gas pipeline must not gland weight;
3, according to the proper use of the product specification requirements, gas appliance should be regular maintenance (water heater for the August-October), there is a fault should be timely maintenance;
4. stove use someone must take care, pay attention to use ventilation environment, so that "two off one open," that shut the gas valve and the kitchen door, open kitchen window; be sure to turn off the valve always when no one at home switch.
5. house gas facilities should be inspected regularly, regular replacement of aging cracked hose ends to be fixed, to prevent accidental removal of the hose caused the accident. Currently, there is a life span of fifteen years of metal gas connection pipe is gradually replaces the previous hose.
6. To install and use gas leak alarm device alarm when leakage occurs in a timely manner to ensure the safety of home.