| Power Source | Corded Electric |
|---|---|
| Tank Lining Material | Stainless Steel |
| MPN | MTWH04540E |
| Year Manufactured | 2025 |
| Smart Home Compatibility | No |
| Tank Capacity | 40 Gallon |
| Unit Type | Unit |
| Water Connection Location | Top |
| Manufacturer Warranty | 10 Year Parts, 10 Year Tank, 1 Year Limited Labor |
| Voltage | 208/240 V |
| Item Height | 45.5 in |
| Amperage | 20 A |
| Features | Electric |
| BTU/h Heating Rating | 15,354 BTU/h (4500W × 3.412 = 15,354 BTU/h) |
| Water Temperature Range | 90°F – 150°F (32°C – 66°C) |
| Unit Quantity | 1 |
| Water Heater Profile | Standard / Short |
| Item Width | 21.6 in |
| First Hour Recovery | 58 Gallons (standard for 40-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 | MTWH04540E |
| Jacket Diameter | 21.6 in |
| Minimum Flow Activation | Not Applicable — Storage Tank (not tankless) |
| Mounting Location | Floor |
| Power | 4500 W |
| Country of Origin | China |
| UPC | 840255588782 |
Check the listing for details. MRCOOL HeatWise 4500W Electric Tank Water Heater 40 Gal 10-Yr Warranty 240V. Color: Gray, Condition: New, Made in China. Listed at 879.99 USD. MRCOOL HeatWise™. MRCOOL HeatWise™ 4500W Electric Tank Water Heater – 40 Gallon – 208/240V. Series HeatWise™ Electric Tank Water Heater. 4500W electric heating performance. 40 gallon residential hot water capacity.
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