... heater exchanger, design for ceramic mesh two burners combustion, by reversing valve alternately. For gas, dust, low calorific value of the ... , guarantees the complete combustion, and reduce the harmful gases.4 product performance1) gas: suitable for blast furnace gas and ... 12 months. All wires are high temperature resistant insulated wire.4) function Pointers: this is fast, baking temperature, baking ...