Rheem Gladiator Tall 5500W Double Element Electric Water Heater
$1,155.70
The Rheem Gladiator 5500W Smart Electric Water Heater delivers reliable and efficient hot water performance for demanding households. Engineered with dual 5500-watt stainless steel heating elements, a protective Rheemglas tank lining, and sediment-fighting technology, this unit ensures exceptional durability and prolonged operating life.
Integrated EcoNet Wi-Fi technology allows for seamless mobile tracking of energy consumption, remote temperature adjustments, and vacation mode settings. Advanced safety features including the LeakSense detection system and LeakGuard automatic shut-off valve provide complete protection by detecting leaks and stopping incoming water flow immediately.
Quantity
Key Features
| Brand | Rheem |
| Collection | Gladiator |
| Model Number | XE55T12CS55U0 |
| Water Heater Type | Electric |
| Water Heater Profile | Tall |
| Wattage | 5500 W |
| Voltage | 240 V |
| Amperage | 22.92 A |
| Uniform Energy Factor (UEF) | 0.92 |
| First Hour Rating | 74 gal/hr |
| Product Height | 57 in |
| Product Width | 22.25 in |
| Product Depth | 22.25 in |
| Product Weight | 130 lb |
| Water Connection Size | 3/4 in |
| Smart Home Protocol | Wi-Fi |
| Works With | Google Assistant |
| Application Type | Residential |
Highlights
- 55 gal. tank provides ample hot water for households with three to five people
- Built-in LeakSense leak detection system alerts of any leak, large or small, internal or external
- Built-in EcoNet Wi-Fi technology allows for managing hot water, tracking energy usage and setting modes like vacation mode from a mobile device
- Protect home from water damage with LeakGuard, the auto shut-off valve that shuts off incoming water and locks water in
- Delivers 74 gallons of hot water in the first hour
- Fights sediment build-up at the bottom of the tank to prolong tank life and maintain efficiency
- Monitor hot water availability with the EcoNet Wi-Fi app
- Save money on water heating costs while away by setting the water heater in vacation mode from a mobile device with the EcoNet Wi-Fi app
- 12-year limited warranty on tank and parts
- Three-year in-home labor warranty
- 0.92 Uniform Energy Factor (UEF) for high efficiency and low energy usage
- Dual 5500-watt stainless steel heating elements
- Requires a 240V connection for installation
- Thick, premium sacrificial anode rod and Rheemglas tank lining protect the tank from corrosive elements in the water
- For best performance, check the Wi-Fi signal strength in the area where the water heater will be installed before purchase
Compatibility
Compatible with standard 240V residential hardwired electrical configurations and 3/4-inch plumbing connections. Supports smart home integration with the EcoNet app and Google Assistant over standard home Wi-Fi networks.
Warranty
Downloads
Frequently asked questions
Does this water heater require a Wi-Fi connection to operate?
No, the water heater operates normally without being connected to Wi-Fi, though Wi-Fi enables smart monitoring and leak alert features.
What electrical connection is required for installation?
This unit requires a 240-volt hardwired electrical connection.
How does the LeakGuard system protect against water damage?
The LeakGuard system uses built-in LeakSense detection to sense leaks and an integrated auto shut-off valve to stop incoming water flow and contain water within the unit.
How much hot water does this unit provide in the first hour of use?
This water heater delivers up to 74 gallons of hot water in its first hour of operation.


























