How do I know if my product is covered by the guarantee? Customer Service Manager 15 November 2019 11:52 Each product comes with its own guarantee period ranging from 12 months to a lifetime. If you believe your product is faulty and covered by the guarantee then please submit a claim. Related articles How do I claim under the guarantee? What will void the guarantee on my cookware? Do I need my receipt to make a claim on the guarantee? How long will it take for you to assess my guarantee claim? Do I need to register my guarantee?