GAS BOILER WHICH PREVENTS OVERHEAT OF A BURNER FLANGE

摘要

The present invention relates to a gas boiler comprising a burner which burns pre-mixed gas and has a burner flange formed in the circumferential direction; a gas supply chamber which is seated on and connected to the upper part of the burner to supply the pre-mixed gas to the burner and has a chamber flange engaged with the burner flange and getting in surface contact with the burner flange; and a sealing member which is mounted between the burner and the gas supply chamber to prevent the pre-mixed gas supplied from the gas supply chamber to the burner from being leaked between the gas supply chamber and the burner.