Chefman Glass Electric Kettle – Costco Sale! by Rhonda February 1, 2023 8/4/21. *UPDATE* 2/1/23. The Chefman 1.8L Digital Glass Electric Kettle from Costco boils 2 cups of water in just 3 minutes and a full pot in 7 minutes! To make… 0 FacebookTwitterPinterestEmail