Siemens LGB41.255A27 control box

Siemens LGB41.255A27 burner automation controller is used for starting and monitoring single- and two-stage gas or combined gas/liquid fuel burners in intermittent operation. Waiting time: 18. Safety time: 5. Pre-ignition time: 4. Post-ignition time: 2. Interval: 10. Flame relay response time: 5.