MRCOOL HeatWise™ 4500 Watt Low Electric Tank Water Heater - 28 Gallon Capacity

The MRCOOL® HeatWise™ Low Boy 28-Gallon Electric Tank Water Heater delivers reliable, energy-efficient hot water designed to meet daily household demands. Built with durability and performance in mind, this compact unit helps reduce energy consumption while ensuring dependable operation—making it a practical and eco-friendly choice for today’s homes.

Featuring high-efficiency heating elements, the system rapidly heats water to your preferred temperature, minimizing wait times and improving convenience. Its dual stainless steel tank and ceramic-coated heating element provides up to 50% more corrosion resistance than traditional designs, offering extended longevity and reduced maintenance. With added enhancements like an anti-bacterial tank, self-cleaning functionality, and a patented Rare Earth Anode rod, this unit promotes clean, efficient operation throughout its lifespan.

Its low-profile, compact design is ideal for areas with limited vertical clearance—such as under counters, stairwells, or in tight utility closets. User-accessible temperature controls offer easy customization, while its ultra-quiet operation keeps noise levels at a minimum. Built-in safety features guard against overheating, dry firing, and excessive pressure for added confidence and security.

Supported by a 10-year parts warranty, 10-year tank warranty, and a 1-year limited labor warranty, the MRCOOL® Low Boy Electric Tank Water Heater offers the perfect blend of compact size, high performance, and long-lasting reliability.

Additional specifications

Documents

• Installation manual (PDF)
• Brochure (PDF)
• Warranty (PDF)
• AHRI certificate (PDF)
• EnergyGuide label (PDF)

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.