The Keurig Coffee Maker Model K40 Replacement PARTS ~ Water Heater is a metal water heater designed specifically for Keurig coffee makers. It is powered by a wall plug-in and comes in a multicolor design. This replacement part is compatible with Keurig brand coffee makers and is a necessary component for ensuring the proper functioning of your device. Upgrade your coffee maker with this reliable and durable water heater to enjoy your favorite hot beverages with ease and efficiency.