Costco Sale – Chefman Glass Electric Kettle+ by Rhonda September 18, 2021 September 18, 2021 *UPDATE* 9/18/21. 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 things… 0 FacebookTwitterPinterestEmail