InSinkErator HWT-00 Instant Hot Water Tank – 2/3 Gallon, Stainless Steel

Overview

Meet the InSinkErator HWT-00 instant hot water tank, a compact under-sink companion that brings near-boiling water to your kitchen on demand. With a 2/3-gallon stainless steel reservoir and a 750-watt heating element, the tank heats water quickly and stores it at a ready-to-pour temperature. The internal thermostat is adjustable, so you can tailor the heat to match your preferred beverage or cooking task, whether you’re making a quick cup of tea or warm water for culinary prep. At roughly 200 degrees Fahrenheit inside the tank, you’ll feel less waiting and more motion—hot water is ready when you are.

This tank is designed to work with all InSinkErator instant hot water faucets, creating a seamless, integrated system under your sink. Its durable stainless steel construction offers reliability, while the simple control knob makes fine-tuning straightforward. If you’re mindful of energy use, you can adjust the temperature to fit the task, from gentle warming to near-boiling preparation. The compact footprint helps it fit snugly under most sinks, leaving room for plumbing and storage.

Key benefits and everyday uses

• Instant hot water for tea, coffee, or cocoa at the tap
• Rapid prep for boiling noodles, soups, or oatmeal
• Warm baby bottles or formula when needed
• Help with stubborn stains or quick kitchen tasks
• Efficient alternative to heating water on the stove or kettle
• Compact stainless steel design that fits under-sink spaces

Design and performance highlights

• 2/3-gallon stainless steel tank for compact storage
• 750-watt heating element for rapid heat recovery
• Near-boiling water around 200°F with adjustable thermostat
• Dry start protection to guard against dry operation
• Simple tool-free connections for a DIY-friendly install
• Durable construction designed for long-term use

Installation, maintenance, and filtration options

• DIY installation using a standard under-sink outlet
• Dry start protection ensures safety if powered without water
• 3-year limited warranty for coverage and support

Optionally, pair the tank with an InSinkErator under-sink filtration system to enjoy filtered hot water directly from your dispenser. Filtration options target common contaminants, offering a practical upgrade for households seeking clearer, better-tasting hot water on demand. For example, filtration can help address contaminants like lead, chlorine, and other substances while you still benefit from instant hot water at your faucet.