MRCOOL® 30-Gallon 4500-Watt Electric Tank Water Heater – High-Efficiency, Self-Cleaning, Rare-Earth Anode, 10-Year Warranty, MTWH04530E

Product Description 

short description 

The MRCOOL® MTWH04530E 30-Gallon Electric Tank Water Heater delivers fast, reliable hot water with advanced corrosion protection, energy-efficient 4500-watt heating, and a space-saving design. Built with a dual stainless steel tank, ceramic-coated heating element, and a patented Rare Earth Anode rod, this electric water heater is engineered for long service life, low maintenance, and consistent performance in residential applications.

 

Long Description 

The MRCOOL® 30-Gallon Electric Tank Water Heater (Model MTWH04530E) is engineered for homeowners who want dependable hot water, long-term durability, and modern efficiency without overpaying. Designed to outperform standard electric water heaters, this unit combines advanced corrosion resistance, fast recovery heating, and intelligent self-maintenance features into a compact, installer-friendly design.

At the core of this system is a dual stainless steel tank paired with a ceramic-coated heating element, providing up to 50% better corrosion resistance than conventional tank water heaters. This dramatically extends the life of the unit while maintaining clean, consistent hot water delivery. The anti-bacterial tank lining and self-cleaning function help reduce sediment buildup, improve water quality, and lower long-term maintenance needs.

Powered by a 4500-watt electric heating element, the MRCOOL MTWH04530E rapidly heats water and minimizes recovery time between uses—making it ideal for households with multiple daily hot water demands such as showers, dishwashers, and laundry. Its 208/240V compatibility allows flexible installation in most residential electrical setups.

The unit’s compact 30-gallon capacity and space-saving footprint make it a perfect fit for utility rooms, closets, garages, or tight installation areas without sacrificing performance. User-friendly temperature controls allow precise adjustment for comfort and energy savings.

Backed by MRCOOL’s industry-leading warranty—10-year tank warranty, 10-year parts warranty, and 1-year limited labor warranty—this electric tank water heater is a smart, long-term investment in comfort, reliability, and peace of mind.

 

Key Features & Benefits 

✔ 30-Gallon Electric Tank Water Heater – Ideal for small to medium households

✔ 4500-Watt High-Efficiency Heating Element – Faster hot water recovery

✔ Dual Stainless Steel Tank – Superior durability and corrosion resistance

✔ Ceramic-Coated Heating Element – Extended lifespan and consistent performance

✔ Patented Rare Earth Anode Rod – Longer tank life, less maintenance

✔ Self-Cleaning Function – Reduces sediment buildup

✔ Anti-Bacterial Tank Design – Cleaner, safer hot water

✔ 208/240V Single-Phase Power – Residential ready

✔ Compact, Space-Saving Design – Fits tight installation areas

✔ UL Listed & AHRI Certified – Safety and performance verified

✔ 10-Year Tank & Parts Warranty – Long-term confidence

  

Technical Specifications 

Brand: MRCOOL

Series: Electric Tank Water Heater

Model: MTWH04530E

UPC / GTIN: 840255588775

Unit Type: Electric Tank Water Heater

Capacity: 30 Gallons

Heating Power: 4500 Watts

Voltage: 208 / 240V

Phase: Single Phase

Frequency: 60 Hz

Max Breaker Size: 30 Amps

Minimum Circuit Ampacity: 20 Amps

Color: Grey

UL Listed: Yes

AHRI Certified: Yes

Contains Electronics: Yes

Proposition 65 Warning: Yes

Dimensions & Weight

• Net Dimensions: 21.6” W × 21.6” D × 36.4” H
• Net Weight: 99.2 lbs
• Shipping Dimensions: 25.2” W × 25.2” D × 40.5” H
• Shipping Weight: 110.2 lbs

 

Warranty Information 

• Tank Warranty: 10 Years
• Parts Warranty: 10 Years
• Labor Warranty: 1 Year Limited

  

Ideal Applications

• Residential homes
• Apartments & condos
• Utility rooms & closets
• Garages & basements
• Replacement for standard 30-gallon electric water heaters

 

Frequently Asked Questions  

Is the MRCOOL MTWH04530E good for a family?

Yes. The 30-gallon capacity is ideal for small to medium households with daily hot water needs including showers, laundry, and dishwashing.

Does this water heater resist corrosion?

Absolutely. It features a dual stainless steel tank, ceramic-coated heating element, and a patented Rare Earth Anode rod, offering significantly better corrosion protection than traditional tanks.

What voltage does this water heater require?

This unit operates on 208V or 240V single-phase power, making it compatible with most residential electrical systems.

Is this water heater certified?

Yes. The MRCOOL MTWH04530E is UL Listed and AHRI Certified for safety and performance compliance.

How long is the warranty?

MRCOOL backs this water heater with a 10-year tank warranty, 10-year parts warranty, and 1-year limited labor warranty.

 

MRCOOL vs Rheem vs A. O. Smith: Which Electric Tank Water Heater Should You Buy?

When comparing MRCOOL, Rheem, and A. O. Smith, the best choice usually comes down to what you value most: durability features, warranty coverage, availability, service network, and total installed cost. All three brands can make excellent electric tank water heaters—so the smart move is comparing the model-to-model specs that matter.

Where MRCOOL can stand out

• Durability-focused build choices (model dependent): Some MRCOOL models emphasize corrosion resistance features and tank protection components designed to support long service life.
• Feature packaging: Depending on the model, MRCOOL may include convenience or maintenance-reduction features (like self-maintenance functions) that buyers typically look for when upgrading.
• Warranty value: MRCOOL models may offer strong warranty terms on the tank and parts (always verify per model page).

 

Where Rheem may be a better fit

• Widespread retail availability: Rheem is commonly found in big-box retail, which can be convenient for same-day pickups.
• Large model range: Many capacity and feature options exist across multiple price tiers.
• Service familiarity: Some installers and homeowners prefer brands they see most often locally.

 

Where A. O. Smith may be a better fit

• Long-time reputation: A. O. Smith is widely recognized and commonly used in residential applications.
• Broad distribution: Often available through supply channels and retailers, depending on region.
• Model variety: Like Rheem, they offer many variations and price points.

 

 

The “real” way to compare 

To compare fairly, line up these specs on the exact models you’re choosing:

• Tank capacity (gallons)
• Wattage / recovery rate (how quickly it reheats)
• Electrical requirements (208/240V, breaker size, MCA)
• Tank protection & anode design
• Certifications (UL, AHRI where applicable)
• Warranty terms (tank / parts / labor)
• Dimensions & install fit (height, diameter, door clearance)

 

 

Bottom line recommendation

If you want a water heater that emphasizes long-term reliability features + strong warranty value, MRCOOL is a compelling option—especially when you’re matching a model’s specs to your home’s electrical setup and hot water usage. If you prioritize same-day local availability or want a massive lineup to choose from at retail, Rheem or A. O. Smith may be easier to find quickly.

 

Why Buy From MRCOOL DIRECT?

When you order from MRCOOL Direct, you get:

• ✅ Authorized MRCOOL® dealer – Your warranty is protected
• ✅ Factory-fresh units – No refurbished or mystery sources
• ✅ Fast U.S. shipping – Most in-stock items ship in 1–3 business days
• ✅ Financing options – Make high-efficiency comfort more affordable
• ✅ Real product support – Help with sizing, line set selection, and DIY questions
• ✅ No third-party marketplace middlemen – Just genuine MRCOOL® systems from a trusted MRCOOL® dealer.

BUY DIRECT!

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615-553-8118

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