TheKarcher Ignition Transformer is suitable for use with the following models:

• HDS 557
• HDS 558
• HDS 601
• HDS 655
• HDS 755
• HDS 745
• HDS 745 M eco
• HDS 7/10-4 M
• HDS 7/10-4 MX

Additional Ignition Transformers are available for other models; please contact us for more details.