Waterstone 5000 Features: -Instant hot water tank. -Stainless steel construction. -Adjustable temperature 140 F - 190 F. -Compatible with RO filtration systems. -Integrated vent, works with any waterstone hot only or hot and cold filtration faucet. -Inlet water pressure 35 - 60 psi. -Minimum inlet volume 1 gallon/min. -780 Watts. -6.5 Amps. -120 Volts. -60 Hz. -Capacity: 0.5 Gallon. -UL certified. -CSA certified. Specifications: -Manufacturer provides two years warranty. -Overall dimensions: 11.25 H x 6.75 W x 8.25 D.