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Ease your service needs faster with the ASS number
The ASS number is used to identify and allocate your CTA system installed.
Frequently asked questions
What is the ASS number?
Where do I find the ASS number?
What does ASS stand for?
Examples of ASS numbers for domestic heat pumps (Optiheat / Aeroheat / ... )
Examples of ASS numbers for air conditioning/refrigeration systems and industrial heat pumps
