InSinkErator H-WaveC-SS Involve Wave Instant Hot Water Dispenser System with Stainless Steel Tank, Chrome Includes Involve Wave instant hot water dispenser and 2/3-gallon stainless steel hot water tank. Required Hole Diameter : 1.25 inch to 1.5 inch (standard) Delivers near-boiling water with easy-to-adjust temperature control. Thermostat : Snap-action, adjustable from 160F to 210F (factory pre-set at 200F) Hot water dispenser and tank have durable metal construction; hot lever automatically shuts off Ideal for instantly preparing hot coffee, tea, and other food, cleaning dishes, warming baby bottles, and so much more Exclusive 3-Year We Come to You In-Home Full Service Limited Warranty; That means we come to you if your water dispenser needs service within the warranty period.