... gas more than 22%. Various sizes available Infrared ceramic plate is made of high purity cordierite and other components. ... gas-infrared burners, infrared gas stoves, infrared heaters, gas water heaters , gas burner, oven, BBQ and so on.Main ... advantages of Infrared ceramic plate:1. Save energy up to 40~50%.2. High ... more than 90%. Infrared ceramic plaque for gas water heater