Fire row burner Color classification: flange interface and non-flange interface, and used for liquefied fuel and pure gasoline Fuel type: fuel Do no longer function orders when natural fuel cannot be used! ! ! Pay attention! ! ! Before placing an order, please ensure you carefully examine the hearth radiator (size/interface/use of air source). There isn't any universal fire radiator and may solely be used to exchange the former hearth radiator Roasting LPG NG Gas Stove Parts Flange Interface G1/2&; G3/8&; External Thread Interface 25-Row Fire Row Burner