The manufacturer has identified a potential fault with the bases of the kettles.
Serial Numbers (as found on the base of the kettle):
Polished Finish Kettle - (95000) 1025 and 1044
Brushed Finish Kettle - (95003) 1101
What to do next
If you have bought one of these models, please stop using it immediately and call John Lewis Customer Services on 0845 604 8835 or email firstname.lastname@example.org to request a replacement base. Alternatively you can return the kettle to any John Lewis or Waitrose Food & Home store, where a full refund will be given.