When you buy a house, how long are the previous owners liable for the central heating?

We bought a house recently and moved in 6-7 weeks ago, the boiler has broken down and we've been told we need a new one as it can't be repaired. We were told it could cost anything between £1000-£2000...money we don't have. So I was wondering, how long are the previous owners liable for things like... show more We bought a house recently and moved in 6-7 weeks ago, the boiler has broken down and we've been told we need a new one as it can't be repaired. We were told it could cost anything between £1000-£2000...money we don't have.

So I was wondering, how long are the previous owners liable for things like the central heating/boiler? Or am I clutching at straws here, will I need to pay for it myself?

I'm in Scotland by the way.
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