Gas burner control unit IFS 132 B-3 Kromschroeder
Automatic gas firing devices IFS 132 B for atmospheric burners, fully
electronic, with repeated ignition, connection for external fault message
and remote release, 230/240 V ~, 50/60 Hz, DIN-DVGW approved
sec. A = start safety delay
sec. B/H = main gas/operation safety delay
sec. B/Z = ignition gas/operation safety delay