Oil burner controls
Siemens
LOA
24.173A27
Landis & Staefa
Oil burner controls
Danfoss
OBC 82A.12
057H8707
Landis & Staefa
Comments & Remarks: If only the upper part is replaced, it must be ensured that the LD/LDS is connected to the terminals 11 and 12 in the base part.

If terminal 6 is used use OBC 82.10