Lower Thermostat for Electric Water Heaters
16 Available At All US Supply Locations
Rheem SP1079-004 Lower Thermostat for Electric Water Heaters
The Rheem SP1079-004 is a factory-authorized lower thermostat designed for use in residential electric water heaters. This component regulates power to the lower heating element, ensuring consistent water temperature and efficient system performance during the recovery cycle.
Engineered for compatibility with Rheem electric water heaters, the SP1079-004 meets OEM specifications for direct replacement and provides reliable temperature management in standard tank configurations. Its durable construction makes it suitable for continuous operation in domestic hot water systems.
Key Features
- Component Function: Controls activation of the lower heating element based on tank temperature
- OEM Design: Manufactured to original Rheem standards for fit and function
- Thermal Cutoff: Includes built-in safety reset to prevent overheating
- Adjustable Temperature Dial: Allows precise setting of desired water temperature range
- Mounting Configuration: Standard bracket mounting compatible with most electric tank water heaters
Technical Specifications
- Model: SP1079-004
- Application: Lower thermostat for electric residential water heaters
- Voltage: 240V (typical configuration)
- Temperature Range: Adjustable (usually 90°F–150°F depending on system)
- Resettable High Limit: Integrated manual reset switch for safety cutoff
Installation Guidelines
This thermostat should be installed by qualified personnel. Power must be disconnected prior to installation. Ensure wiring is connected according to the manufacturer’s diagram and system specifications. Proper contact with the tank surface is required for accurate thermal response.
Contractor Considerations
The SP1079-004 provides reliable lower element control in dual-element electric water heaters. It is frequently replaced during service work or preventive maintenance. This thermostat is designed to reduce cycle time and maintain consistent temperature recovery in systems with standard tank volumes.
Specifications
| Weight | 0.150000 |
|---|---|
| Length (inches) | 2.1 |
| Width (inches) | 3.1 |
| Height (inches) | 2.6 |
| Item Type | Thermostats |
| Brand | Rheem |
| Element | Upper |
| Manufacturer | Rheem Manufacturing Company |
| MPN | SP1079-004 |
| Sub Type | Electric Thermostat |
| Stages Heat | 1 |
| Amperage Rating | 20 A |
| Control Range | 90 to 150 deg F |
| Domestic/Import | Domestic |
| Full Load Current | Up to 20 A |
| Material | Metal/Plastic |
| Mounting Type | Surface |
| Number of Stages | 1 |
| Number of Switches | 1 |
| Poles | Single |
| Switch Action | Snap |
| Switch Type | Manual Reset |
| Temperature Rating | 180 Deg F |
| Thermostat Type | NO-NC switch |
| Primary Voltage | 240 V |
| Item Returns | This item can be returned |