The service life of ordinary rubber gas hose is about one and a half years, the longest can not exceed two years, the longest length is not more than two meters, the use of not through doors and Windows, walls, etc., both ends of the hose should be fixed, in the process of use if the hose is found to be hard, sticky, cracked, etc., should be replaced in time.

It is recommended that users buy some new high-tech safety products, such as stainless steel corrugated hose, which has a service life of about 8 years, consistent with the scrap life of cookware and water heater. Stainless steel corrugated hose is divided into two layers inside and outside, the inside is stainless steel material, can prevent aging, cracking, there is a layer of corrosion resistant material outside, and both ends are threaded connection, not easy to fall off. However, it is worth noting that the stainless steel corrugated hose is only suitable for embedded cooktops, and metal clad hoses can be selected for mobile cooktops on the platform.