Description
The MRCOOL HeatWise MTWH04538EL is a 38-gallon lowboy (short) electric tank water heater with 4,500 W elements.
The MRCOOL® HeatWise™ Low Boy 38-Gallon Electric Tank Water Heater provides consistent, energy-efficient hot water tailored to meet the daily needs of any home. Engineered for strength and reliability, this compact model helps lower energy usage without compromising performance—making it a smart and environmentally responsible solution for modern households.
Outfitted with high-efficiency heating elements, the unit quickly reaches your desired temperature, reducing wait times and enhancing everyday comfort. Its dual stainless steel tank and ceramic-coated heating element delivers up to 50% greater resistance to corrosion compared to standard systems—offering increased durability and reduced upkeep.
Additional premium features, including an anti-bacterial tank, built-in self-cleaning function, and patented Rare Earth Anode rod, support long-term efficiency and clean water quality.With a low-profile design, the heater is perfect for installations in spaces with restricted vertical clearance—like beneath countertops, inside short closets, or under stairwells. Easy-access temperature controls make adjustments simple, while the whisper-quiet operation ensures minimal noise.
Integrated safety protections against overheating, dry firing, and pressure buildup provide added peace of mind. Covered by a 10-year parts warranty, 10-year tank warranty, and 1-year limited labor warranty, the MRCOOL® Low Boy Electric Tank Water Heater combines compact convenience, powerful performance, and dependable longevity you can count on.
Product Specifications
| Brand | MRCOOL |
|---|---|
| Model | MTWH04538EL |
| 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) | Φ22.89 |
| Net Height (in) | 32.15 |
| Net Width (in) | Φ22.89 |
| Net Weight (lb) | 108.03 |
