Has he been paying for it?
Yes, but is he making you payments?
Will he accept that ?
Or is he likely to dispute it?
Yes, it is not a good idea.
He should not expose himself to risk at all.
Will your former partner accept this?
OK but what I need to know is will your former partner accept that he has never made payments?
You are liable for the debt.
But you are entitled to the product.
If the facts are as you say there is no claim at all that he has for this TV. It is as simple as that. I don't know whether he is disputing that the facts are as you say. That would make sense from his reaction hitherto. Then it would turn into a dispute over facts.
If you have been paying for it though and it is otherwise in your name then I would imagine you would succeed.
Can I clarify anything for you?