Description
The MRCOOL HeatWise MTWH04528EL is a 28-gallon lowboy (short) electric tank water heater with 4,500 W elements.
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.
Product Specifications
| Brand | MRCOOL |
|---|---|
| Model | MTWH04528EL |
| Voltage (V) | 208/240 |
| Phase | 1 |
| Cycle | 60 Hz |
| Max Fuse Breaker (A) | 30 |
| Min Circuit Ampacity (A) | 18.7 |
| Color | Grey |
| UL Listed | Yes |
| AHRI Certified | Yes |
| Base Warranty | 1 Year Limited Labor Warranty, 10 Year Parts Warranty, 10 Year Tank Warranty |
| Base Parts Warranty | 10 Year Parts Warranty |
| Base Labor Warranty | 1 Year Limited Labor Warranty |
| Net Depth (in) | Φ20.05 |
| Net Height (in) | 30.1 |
| Net Width (in) | Φ20.05 |
| Net Weight (lb) | 81.57 |
