Rheem Gladiator Medium 5500W Double Element Electric Water Heater
$986.70
The Rheem Gladiator 50 Gal. electric water heater provides an ample supply of hot water for households with 3 to 5 people, delivering 63 Gal. in the first hour. Engineered with dual 5500-Watt stainless steel heating elements and a 0.92 Uniform Energy Factor, it ensures high-efficiency performance while keeping energy costs low.
Equipped with integrated EcoNet Wi-Fi technology, this smart water heater allows seamless temperature management, energy tracking, and vacation mode control directly from a mobile device. Built-in 360° LeakSense leak detection and the LeakGuard auto shutoff valve work together to protect your home from water damage, while a self-cleaning design actively reduces sediment buildup to prolong tank life.
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Key Features
| Brand | Rheem |
| Model Number | XE50M12CS55U1 |
| Product Type | Electric Tank Water Heater |
| Water Heater Profile | Medium |
| Wattage | 5500 W |
| Required Volt Connection | 240 V |
| Amperage | 22.92 A |
| Uniform Energy Factor (UEF) | 0.92 |
| First Hour of Delivery | 63 gal/hr |
| Nominal Tank Capacity | 50 gal |
| Household Size | 3-5 |
| Product Height | 48 in |
| Product Width | 22.25 in |
| Product Depth | 22.25 in |
| Product Weight | 129 lb |
| Water Connection Size | 3/4 in |
| Smart Home Protocol | Wi-Fi |
| Heating Elements | Dual Stainless Steel |
| Tank Lining | Rheemglas |
| Application Type | Residential |
Highlights
- Washington, Oregon, and Colorado residents: your home is in a state that requires demand response water heaters; if this water heater does not meet demand response requirements, please select an approved demand response model.
- 50 Gal. tank provides ample hot water for households with 3 to 5 people.
- Power to know: built-in LeakSense leak detection system alerts you of any leak large or small, internal or external.
- Power to control: built-in EcoNet Wi-Fi technology allows you to manage hot water, track energy usage, and set modes like vacation mode from your mobile device.
- Power to protect: protect your home from water damage with LeakGuard, the auto shut-off valve that shuts off incoming water and locks water in.
- Delivers 63 Gal. of hot water in the first hour.
- Self-cleaning: fights sediment build-up at the bottom of the tank to prolong tank life and maintain efficiency.
- Hot water availability indicator: know before hot water runs out via EcoNet Wi-Fi app.
- Vacation mode: save money on water heating costs while away by setting your water heater in vacation mode from your mobile device with the EcoNet Wi-Fi app.
- 12-year limited warranty on tank and parts.
- 3-year in-home labor warranty.
- 0.92 Uniform Energy Factor (UEF) indicates high efficiency, saving money on energy bills with low energy usage.
- Dual 5500-Watt stainless steel heating elements.
- Requires a 240-Volt connection for installation.
- Thick, premium sacrificial anode rod and Rheemglas tank lining combine to protect the tank from corrosive elements in the water.
- As with any Wi-Fi connected device, for best performance use your phone or tablet to check the Wi-Fi signal strength in the area where the water heater will be installed prior to purchase.
Warranty
Downloads
Frequently asked questions
How does the LeakGuard auto shutoff feature work?
When the built-in 360° LeakSense detection system detects internal or external water leaks, the LeakGuard auto shutoff valve automatically closes the incoming water supply to prevent water damage.
What electrical connection is required for this water heater?
This unit requires a 240-Volt hardwired electrical connection for installation.
Can this water heater be controlled remotely via smartphone?
Yes, integrated EcoNet Wi-Fi technology allows mobile temperature management, energy usage tracking, mode selection, and hot water availability monitoring.
What is the first-hour hot water delivery rating?
This 50-gallon model delivers 63 gallons of hot water in its first hour of operation.






























