Annual 21, a consumptive reminder to consumers. Content shows, gas water heater extended use, will there be a security risk.

According to our country "household gas fuel appliances safety management regulation" (GB17905-1999), household pipeline gas water heater service life is 6 years, liquefied natural gas and natural gas water heater for 8 years. State regulations from 1 May 2000, banned the sale of bath with give expulsion-typely gas water heater. According to use life calculation, in 2008, in the hands of the domestic consumer direct drainage water heater burning gas that should change. Consumers should be eliminated ZhongZhi row house gas water heater and other overterm service gas water heaters.