... steel body,strong and durableElectronic direct spark ignition,flame failure safety device for each controlHeavy duty gas burner with individual ... protection device with thermopile,piezo ilgnition or ignite burner by ignite gun available according to customers needs,failure rate ... and convenient.- Oven adops piezo ignition and flameout protection device,temp range is 120-340 centigrade,oven can be ...