Danfoss 057H8101, 057H8701 OBC81.10 control box

Danfoss OBC 84.10 057H8105 control unit - used in single-stage and two-stage burners and heat generators (heat guns). Danfoss OBC 84.10 can be used in burners with or without a fuel preheater. Pre-ignition/pre-purge: 13 sec. Safety time: 10. Post-ignition: 15. 1 or 2 stages: 1.