MRCOOL HeatWise™ 4500W Low Boy Electric Tank Water Heater - 28 Gallon MTWH04528EL
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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. 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 — under counters, stairwells, or in tight utility closets. Built-in safety features guard against overheating, dry firing, and excessive pressure. Supported by a 10-year parts warranty, 10-year tank warranty, and a 1-year limited labor warranty.
Key Features
- 28-gallon capacity — ideal for smaller households
- 4,500W dual heating elements for rapid heat recovery
- Low-boy compact design — fits in spaces with limited vertical clearance
- Dual stainless steel tank with ceramic-coated heating element — up to 50% more corrosion resistance
- Anti-bacterial tank | Self-cleaning functionality
- Patented Rare Earth Anode rod for extended tank life
- User-accessible temperature controls
- Ultra-quiet operation
- Built-in safety protection against overheating, dry firing, and excessive pressure
- 10-Year Parts / 10-Year Tank / 1-Year Limited Labor Warranty
Technical Specifications
| SKU / Model | MTWH04528EL |
| Series | HeatWise™ Electric Tank Water Heater |
| Tank Capacity | 28 Gallons |
| Heating Element | 4,500W Dual Element |
| Voltage | 208/240V, 1-Phase, 60Hz |
| Max Breaker | 30A |
| Min Circuit Ampacity | 20A |
| Finish | Grey |
| Net Weight | 81.57 lbs. |
| Net Dimensions (H x Diameter) | 30.10 in. H x 20.05 in. Dia. |
| GTIN / Barcode | 840255592000 |
| Warranty | 10-Year Parts / 10-Year Tank / 1-Year Limited Labor |