Check the listing for details. 6 Gallon Electric Water Heater Mini Tank 1400W On Demand for Whole House Shower. Color: White, Condition: Open box. Listed at 179.00 USD. CAMPLUX 6 Gallon Electric Water Heater – 120V Point of Use Mini Tank Stop waiting for hot water. This compact 6-gallon water heater installs directly under your sink or near any fixture, delivering instant hot water in seconds—no more running the tap and wasting water. Plug into any standard 120V outlet. No electrician needed. Connects to standard 3/4″ NPT water lines. Wall or floor mount with included bracket. 1440W heating element recovers quickly. Glass-lined steel tank resists corrosion, lasts longer than standard tanks. Adjustable temperature up to 149°F. Built-in T&P valve and overheat protection for safety. Perfect for kitchen sinks, bathroom vanities, workshops, or as a booster for distant fixtures. Saves energy by eliminating heat loss through long pipes.