ThermoMate
27kW Touch Control Electric Tankless Water Heater – 240V, Self-Modulating
- Flow rate 6.6 GPM
- Power 27kW
- Capacity 6.6 gallons
$469.99
$328.99
● In stock
Free US delivery on all orders 30-day returns 12-month warranty on new products

Instant Hot Water. Right Where You Need It. Tired of waiting for hot water to reach your sink? The ThermoMate ES600 6-Gallon Mini Tank Water Heater brings hot water directly to the point of use — eliminating long pipe…
All prices in USD. Free delivery on every US order. Applicable sales tax and the final payable total are confirmed before payment.
In stock. Delivered in 3–7 business days
Tired of waiting for hot water to reach your sink? TheThermoMate ES600 6-Gallon Mini Tank Water Heaterbrings hot water directly to the point of use — eliminating long pipe runs, reducing water waste, and improving everyday convenience.
Compact yet powerful, this 120V electric mini tank is ideal for under-sink installation in kitchens and bathrooms, as well as garages, workshops, RVs, cabins, basement bars, and small commercial spaces.
Powered by a1500W INCOLOY 800 stainless steel heating element, the ES600 heats water quickly and efficiently while offering superior corrosion resistance compared to traditional copper elements. Whether used as a standalone heater or as a booster for your main system, it delivers dependable hot water with fast recovery.
The 6-gallon capacity is perfectly sized for handwashing, dishwashing, and light-duty applications — giving you comfort without the bulk of a full-size tank.
The interior tank is protected by aporcelain enamel glass lining, designed to resist rust, scaling, and high-temperature wear. This added protection helps extend the lifespan of the heater while reducing maintenance concerns over time.
The durable metal housing adds another layer of reliability, making it suitable for utility spaces and demanding environments.
Customize your water temperature between90°F and 150°Fusing the adjustable thermostat. Whether you need mild warmth or hotter water for cleaning, you stay in control.
For added peace of mind, the unit includes:
Engineered to meet North American residential standards.
With a space-saving footprint, the ES600 fits comfortably under most sinks. It operates on standard120V powerand is designed for hardwired installation (optional power cord included). A dedicated 15 AMP breaker is recommended for optimal performance.
Simple for licensed electricians and experienced DIY homeowners alike.
Whether you're upgrading a remote sink, adding hot water to a garage, or improving efficiency in an RV or cabin, the ThermoMate ES600 delivers reliable comfort in a compact, energy-conscious design.
Hot water — without the wait.
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