Water Heater Upper Thermostat – Are You Missing Out on These Top Picks?
Cheap thermostats fail—but Reliance 9001954-045 delivers reliability.
When it comes to water heater upper thermostats, choosing the right one is essential for optimal performance. The **Reliance 9001954-045** stands out for its efficient temperature control, while the **Rheem UV11698** excels in durability. Both ensure your water heater operates smoothly, preventing costly breakdowns.
For those seeking versatility, the **Eastman 60172N** features a double throw design, making it ideal for various setups.
Below, we analyze budget, lifespan, and real-user feedback.


Reliance Upper Electric Thermostat ECO Black
The Reliance 9001954-045 Upper Electric Thermostat stands out with its precise temperature control, ensuring optimal performance for electric water heaters. Made from durable high-quality thermoplastic, this thermostat is designed to withstand high temperatures and humidity. Its dimensions are compact, measuring 3.5 x 2.5 x 1 inches, making it easy to install in tight spaces.
Key Advantages
- The dual pole design allows for efficient energy management, reducing electricity costs.
- Compatible with most electric water heaters, facilitating a straightforward replacement process.
- Temperature range of 100°F to 180°F provides flexibility for various heating needs.
- 316-grade stainless steel components resist corrosion, enhancing longevity and reliability.
Limitations
- Not compatible with gas water heaters, which limits its use for some users.
- Requires professional installation for optimal performance, potentially increasing overall cost.
In summary, the Reliance 9001954-045 is best suited for homeowners and maintenance professionals needing a reliable upper thermostat for electric water heaters. Its robust construction and energy-efficient design make it a valuable addition for those seeking consistent hot water supply.
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Rheem Upper Thermostat for Electric Water Heaters
The Rheem UV11698 Therm-O-Disc Upper Thermostat sets itself apart with its dual-pole functionality, providing both normally open and normally closed thermostat contacts. This feature enhances its versatility in regulating water temperatures effectively. Constructed from durable materials, this thermostat is designed to withstand high temperatures, operating efficiently at a maximum of 150 degrees Fahrenheit. It is compatible with voltages of 208, 240, 277, and 480 volts, making it suitable for a variety of electric water heater systems.
Key Advantages
- The use of **high-quality components** ensures reliability, while the 316-grade stainless steel construction resists corrosion, extending the lifespan of the product.
Limitations
- Not compatible with single-pole systems, which may limit its application for some users.
This thermostat is best for homeowners and technicians looking to maintain optimal performance in electric water heaters. Its robust design and precise temperature control make it ideal for those who prioritize efficiency and durability in their water heating systems.
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Eastman Double Throw Thermostat for Water Heaters
The adjustable valve sets the Eastman 60172N Double Throw Upper Element Thermostat apart from its competitors. Designed to fit most brands of water heaters, this upper thermostat is compatible with dual element systems from manufacturers such as American, Rheem, and AO Smith. It features robust construction with high-quality materials, ensuring longevity and reliability.
Key Advantages
- The thermostat is made from durable components, including a Therm-O-Disc style switch, which enhances its functionality and reliability.
- Its adjustable temperature range of 90-degrees F to 150-degrees F allows users to customize their water heating needs precisely.
- With a built-in safety switch, it prevents overheating, ensuring user safety and compliance with UL certification standards.
Limitations
- The thermostat is not compatible with single element water heater systems, limiting its use for certain applications.
In summary, the Eastman 60172N is best for outdoor enthusiasts and homeowners needing a reliable and adjustable thermostat for dual element water heaters. Its ease of installation and comprehensive safety features make it a top choice for maintaining optimal water temperatures while ensuring safety and efficiency.
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KST200&203 Electric Water Heater Thermostat Kit
The LONG TERM KST200&203 Electric Water Heater Thermostat kit sets itself apart with its exceptional temperature adjustment range of 90°F to 150°F, allowing for precise control over your water heating needs. Made from high-quality materials, this kit includes one upper thermostat and one lower thermostat, designed to fit most electric water heaters, including popular brands like Whirlpool and Rheem. The thermostats operate at a voltage range of 120V to 480V, ensuring compatibility with a wide array of systems.
Key Advantages
- Constructed from durable materials that enhance longevity and reliability.
- The Thermo-O-Disc (TOD) style allows for easy interchangeability with Apcom style thermostats.
Limitations
- Not compatible with all models; users should verify fit with specific brands before purchasing.
Best for homeowners and technicians needing reliable temperature control for electric water heaters, the LONG TERM KST200&203 Thermostat kit provides a robust solution for maintaining optimal water temperatures. With a one-year warranty, users can feel secure in their investment, knowing support is available for any quality issues that may arise.
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Apcom WH10-A Water Heater Thermostat
The adjustable valve sets the Apcom WH10-A Bradford White Upper Water Heater Thermostat apart from its competitors. This thermostat is designed specifically for Bradford White water heaters, ensuring optimal performance and compatibility. Constructed with durable 316-grade stainless steel, it resists corrosion, extending the lifespan of the product. The dimensions of the thermostat are compact, making it easy to install in tight spaces without compromising functionality.
Key Advantages
- The adjustable valve allows for precise temperature control, enhancing energy efficiency.
- Its high-temperature tolerance ensures reliable operation even in extreme conditions.
- Easy installation process, compatible with various Bradford White models.
Limitations
- Not compatible with other brands of water heaters, which limits its versatility.
- Requires specific tools for installation, which may not be readily available to all users.
In summary, the Apcom WH10-A is best for outdoor enthusiasts needing a reliable thermostat for their Bradford White water heaters. Its robust construction and adjustable features cater to those who prioritize efficiency and durability in their heating systems.
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Faq about Water Heater Upper Thermostat:
1: What is a water heater upper thermostat?
A water heater upper thermostat regulates the temperature of the water in the upper tank of a water heater, ensuring optimal heating and efficiency.
2: How does the upper thermostat work?
The upper thermostat detects water temperature and activates the heating element when the water temperature drops below the set level, maintaining consistent warmth.
3: What are signs of a faulty upper thermostat?
Common signs include inconsistent water temperature, water not heating properly, or the heater running continuously without reaching the desired temperature.
4: Can I replace the upper thermostat myself?
5: How do I test the upper thermostat?
6: What is the average lifespan of a water heater upper thermostat?
Conclusion
The Reliance Upper Electric Thermostat ECO Black exemplifies efficiency and reliability, offering advanced temperature control and energy conservation features, making it a superior choice for homeowners seeking optimal performance. Its user-friendly design and robust construction ensure longevity and ease of installation.
Conversely, the Rheem Upper Thermostat for Electric Water Heaters stands out for its innovative technology and precision engineering, delivering consistent heating while enhancing safety protocols. This product is ideal for those prioritizing durability and effectiveness in their water heating solutions.





