MRCOOL Electric Tank Water Heater – MTWH04538EL
$586.00
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4.9 out of 5 from verified customer reviews Read reviews →Description
The MTWH04538EL — MRCOOL Electric Tank Water Heater – MTWH04538EL — is stocked and shipped by Buy Comfort Direct from Winder, Georgia. Specifications, fitment notes and ordering details are below; call (877) 843-4822 if you need it matched to your equipment first.
About the MTWH04538EL
MRCOOL Electric Tank Water Heater – MTWH04538EL
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.
Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | MRCOOL |
| Model Number | MTWH04538EL |
| Product Type | Electric Tank Water Heater |
| Series | Electric Tank Water Heater |
| Voltage | 208/240 V |
| Phase | 1 |
| Color | Grey |
| Unit Dimensions | 32.15″H x 22.89″ dia |
| Shipping Weight | 125.66 lb |
| Parts Warranty | 10 Year Parts Warranty |
| Warranty | 1 Year Limited Labor Warranty, 10 Year Parts Warranty, 10 Year Tank Warranty |
Compliance & Shipping Notices
- WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Warranty Coverage
1 Year Limited Labor Warranty, 10 Year Parts Warranty, 10 Year Tank Warranty
Professional Installation Required
Certified HVAC technician installation ensures optimal performance, safety compliance, and full warranty protection.
Important: Check state and local codes and ordinances before purchasing. Product availability and compliance requirements may vary by region.
MTWH04538EL: fitment and resources
Equipment ratings are only valid as an AHRI-matched pairing; confirm the match before ordering. Our free HVAC system sizing tool gives a starting point for tonnage, and Background reading: the U.S. Department of Energy heat pump guide. Browse the rest of our MrCool or the MRCOOL catalog, and see what customers say on our reviews page.
Ordering and delivery
In-stock items ship from our Winder, Georgia warehouse; orders over $99 ship free. Large equipment travels by freight carrier and parts by ground, with tracking by email. Financing is available at checkout through Affirm, and contractors can set up a contractor account for trade pricing. Questions before you pay? Use the contact page or call (877) 843-4822.
MTWH04538EL FAQ
Does the MTWH04538EL ship free?
Yes on orders over $99 — most orders that include it qualify.
How do I know it fits my system?
Send us your equipment model number through the contact page or call (877) 843-4822 and we will confirm the match before it ships.
Additional information
| Weight | 125.66 lbs |
|---|---|
| Dimensions | 0.00 × 0.00 × 0.00 in |
| Brand | MRCOOL |
| Voltage | 208/230V |
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