| 摘要 |
PURPOSE: A gas boiler with a gas selection valve is provided to rotate the gas selection valve to change the position of a thin plate unit when the kind of gas is changed, thereby ensuring normal combustion. CONSTITUTION: A gas boiler comprises a gas valve(10) which is opened/closed to supply gas, a nozzle(30) which discharges the gas provided from the gas valve, a gas duct(20) which connects the nozzle to the gas valve, and a gas selection valve(40) which is installed in the gas duct, wherein the opening degree of the gas selection valve is controlled according to the kind of gas passing through the gas duct.
|
