Do I Have a New Return Period?

I bought an iMac and it came on July 27. It had problems and I did a return for a replacement, and the replacement arrived at my house on August 7. Can I still return the replacement model now? It is more than 14 days from the original but only 4 days from when I received this particular product.

Thanks in advance if anyone knows,
Mark

 

Just wondered if anyone had experience with it, the guy in the store told me I would. But I can't do it there because it's refurbished. It shows up in the online store as the same order but a separate shipment, if that makes a difference.

 

I confirmed on the phone tonight I do have 14 days from the reception of the replacement. Which is August 21