| Power Source | Corded Electric |
|---|---|
| Tank Lining Material | Stainless Steel |
| MPN | MTWH04550E |
| Year Manufactured | 2025 |
| Smart Home Compatibility | No |
| Tank Capacity | 28 Gallon |
| Unit Type | Unit |
| Water Connection Location | Side |
| Manufacturer Warranty | 10 Year Parts, 10 Year Tank, 1 Year Limited Labor |
| Voltage | 208/240 V |
| Item Height | 30.1 in |
| Amperage | 20 A |
| Features | Electric |
| BTU/h Heating Rating | 15,354 BTU/h (4500W × 3.412) |
| Water Temperature Range | 90°F – 150°F (32°C – 66°C) |
| Unit Quantity | 1 |
| Water Heater Profile | Low Boy |
| Item Width | 20.05 in |
| First Hour Recovery | 67 Gallons (standard for 50-gal 4500W at 90°F rise) |
| Color | Gray |
| Water Connection | 3/4 in NPT |
| California Prop 65 Warning | Yes — This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov |
| Brand | MRCOOL HeatWise |
| Type | Storage Tank Water Heater |
| Heating System | Electric Resistance |
| Model | MTWH04550E |
| Jacket Diameter | 23.8 in |
| Mounting Location | Floor |
| Power | 4500 W |
| Country of Origin | China |
| UPC | 840255592000 |
Check the listing for details. MRCOOL HeatWise 4500W Low Boy Electric Tank Water Heater 28 Gal 10-Yr Warranty. Color: Gray, Condition: New, Made in China. Listed at 959.99 USD. MRCOOL HeatWise™. MRCOOL HeatWise™ 4500W Low Electric Tank Water Heater – 28 Gallon – 240/208V. Its low-profile design makes it ideal for under-counter areas, short closets, stairwells, and utility spaces with restricted height.