How can we select gas appliance correctly?

How can we select gas appliance correctly?

2010-12-28 Gas appliances include the gas hobs and gas water heaters. To ensure safe operation, gas appliances shall be selected and purchased correctly. The correct selection and purchase mainly means that the household. The household gas mainly includes 3 kinds, namely: pipeline manufactured gas, pipeline natural gas, and bottled gas (a small amount of pipeline LPG is available in some regions). The chemical compositions, supply pressures, and burning characteristics of different gas supplies are different, and a type of gas appliances is designed and manufactured as per single gas supply; therefore different gas appliances shall be adopted when gas supplies are different. This is the reason why the gas cooktops and water heaters specially designed for manufactured gas, natural gas, and LPG are available.