Module M042 Thermometer vertical, Buderus, HS 3203, 5013310 HS 3203, HS 3204, HS 3208, HS 3205, HS 3206, HS 3209, HS 3220, HS 3221 Manufacturer No.: 5013310

Operating module CM 222, Buderus HS 2105/HS 2105M, 2107, 63008310 HS 2105/HS 2105M, Logamatic 2107/2107M Manufacturer No.: 63008310

Module M400 Control board "DT", Buderus, HS 4201, 5016619 HS 4201 Manufacturer No.: 5016619

Function module ZM 434, Buderus Logamatic 4111/4112/4116, 5016864 Logamatic 4111/4112/4116 Manufacturer No.: 7747021262 ( replaces 5016864 )

Function module FM 442, Buderus, Logamatic 4111/4112/4116, 5016938 Logamatic 4111/4112/4116 Manufacturer No.: 5016938