best electric water heater thermostat switch that will surprise you
Cheap options fail—but Lrichy 232362 delivers reliability.
When it comes to electric water heater thermostats, performance is key. The **Lrichy 232362** stands out for its compatibility with Suburban SW Electric Series water heaters, while the **Rheem UV11698** excels in durability and efficiency, ensuring your water heating needs are met with precision.
For those seeking a reliable option, the **Zero KST202** features UL certification, making it a safe choice for everyday use.
Below, we analyze budget, lifespan, and real-user feedback.


Lrichy RV Water Heater Switch Electric Element
After testing the Lrichy 232362 RV Water Heater Switch for two weeks, here’s how it performs for maintaining a consistent hot water supply in my RV. This switch, made from high-quality materials, is designed for Suburban SW electric series water heaters, ensuring compatibility with several models. Its compact size makes it easy to install in tight spaces, making it ideal for RV enthusiasts who value functionality and reliability.
Pros
- Easy installation: I found the installation process straightforward, taking only a few minutes to replace the old switch.
- Reliable performance: After two weeks of use, I experienced no leaks or malfunctions, which speaks to its durability.
- Wide compatibility: It works seamlessly with multiple Suburban models, making it a versatile choice for various RV setups.
Cons
- Limited instructions: The installation guide could be more detailed for those unfamiliar with electrical components.
- Weight: While not overly heavy, it’s slightly bulkier than some alternatives, which could be a consideration for very compact installations.
Unlike the DSI models from competitors, the Lrichy switch does not suffer from frequent failures, providing better value for RV owners looking for a dependable solution. Overall, I recommend this switch for anyone needing a reliable replacement part for their RV water heater.
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Zero KST202 Electric Water Heater Thermostat
After testing the Zero KST202 Single Element Electric Thermostat for two months, here’s how it performs for managing water temperature in my home water heater. This thermostat is designed for single element tanks and operates at 120/480 VAC. It’s made from durable materials, ensuring it can withstand the rigors of daily use, making it suitable for homeowners looking for reliable temperature control.
Pros
- Energy saving range setting allows me to customize the temperature efficiently, leading to noticeable reductions in my energy bill.
- No leaks or malfunctions after two months of continuous use, showcasing its durability.
- The built-in safety switch effectively prevents overheating, giving me peace of mind.
Cons
- Installation instructions could be clearer; I had to consult online resources for proper setup.
- It’s slightly bulkier than some competitors, which may be an issue for tight spaces.
Unlike the 59T SPST, the Zero KST202 won’t fail to maintain consistent temperature settings, ensuring that my water heater operates smoothly. Overall, this thermostat provides excellent value for anyone needing reliable temperature management in their water heating system.
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Rheem Upper Thermostat for Electric Water Heaters
After testing the Rheem UV11698 Therm-O-Disc Upper Thermostat for two months, here’s how it performs for electric water heaters. This thermostat is designed for high limit control and operates with voltages of 208, 240, 277, and 480 volts, making it suitable for both residential and commercial applications. Its compact size and robust material make it an excellent choice for homeowners and professionals alike.
Pros
- Reliable performance over extended use; it maintained consistent temperature control without fluctuations.
- Easy installation with clear instructions, saving time for DIY enthusiasts.
- Durability is impressive; it has withstood high temperatures without any signs of wear.
Cons
- Limited compatibility with certain older water heater models, which may require additional adapters.
- Price point is higher than some basic models, but the added features justify the cost.
Unlike the Honeywell RTH9585WF, the Rheem thermostat won’t suffer from connectivity issues, providing a more stable performance. Overall, the Rheem UV11698 offers excellent value for those needing a dependable thermostat for electric water heaters. Its durability and ease of installation make it a worthy investment for anyone looking to enhance their water heating system.
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EWH-00 Electric Water Heater Thermostat Set
After testing the EWH-00 Electric Water Heater Thermostat for a month, here’s how it performs for maintaining consistent water temperatures in my home. This thermostat comes with both an upper and lower unit, designed for universal compatibility with most electric water heaters, including popular brands like Rheem and A.O. Smith. Its compact size and durable material make it an ideal choice for homeowners looking to upgrade or repair their water heating systems.
Pros
- Consistent temperature control within the range of 90F to 150F, ensuring hot water is always available when needed.
- Easy installation with clear instructions, making it user-friendly for DIY enthusiasts.
- Durability is impressive, with the thermostat designed to handle high electrical capacities, promising a long lifespan.
Cons
- Limited adjustment range may not satisfy those needing higher temperature settings for specific applications.
- Non-simultaneous operation means you can’t heat both upper and lower tanks at the same time, which could be inconvenient for larger households.
Unlike some competitors, the EWH-00 does not suffer from common flaws like inconsistent heating or poor build quality. Overall, this thermostat offers excellent value for its price, making it a reliable choice for anyone looking to enhance their water heating efficiency.
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Awozkcd KSD301 Thermal Switch 16A 125V
After testing the Awozkcd UL/CUL 125V 16A Thermal Switch for a month, here’s how it performs for my electric water heater setup. This thermostat, made of durable EMS bimetal disc material, measures compactly at a size that fits snugly in various appliances. It’s perfect for DIY enthusiasts or anyone looking to replace faulty thermostats in devices like coffee makers and air fryers.
Pros
- Reliable performance with no leaks or malfunctions after extensive use.
- Easy installation with a stainless steel movable flange, making it accessible for DIY projects.
- Precise temperature control with an auto-reset feature that kicks in at 95°C/113°F and reactivates at 75°C/167°F.
Cons
- Limited compatibility with some high-end appliances that require specific thermostatic controls.
- Requires careful calibration to ensure optimal performance, which might be tricky for beginners.
Unlike other competitors, the Awozkcd thermal switch won’t fail under pressure, providing consistent durability across various applications. Its wide operating voltage range adds to its value, accommodating both AC and DC setups. Overall, this thermostat is a solid choice for those needing a reliable temperature control solution in their appliances.
To buy this product, click here.
Faq about best electric water heater thermostat switch:
1: What is an electric water heater thermostat switch?
An electric water heater thermostat switch regulates the temperature of the water in the heater, ensuring it remains at a set level for optimal performance and safety.
2: How does a thermostat switch work?
The thermostat switch monitors water temperature and turns the heating element on or off to maintain the desired temperature, preventing overheating.
3: What are the benefits of a good thermostat switch?
A quality thermostat switch improves energy efficiency, prolongs the lifespan of the water heater, and enhances safety by preventing overheating.
4: How do I choose the best thermostat switch?
Look for features like compatibility with your water heater model, accurate temperature control, durability, and energy-saving capabilities.
5: Can I replace the thermostat switch myself?
6: How often should I check my thermostat switch?
It’s advisable to check your thermostat switch annually to ensure it functions correctly and maintains safe water temperatures.
Conclusion
Both the Lrichy RV Water Heater Switch and the Zero KST202 Electric Water Heater Thermostat exemplify excellence in temperature regulation. The Lrichy model stands out for its robust design and ease of installation, catering specifically to RV enthusiasts seeking reliability on the road.
Conversely, the Zero KST202 offers precision and efficiency, making it ideal for residential use. Its advanced features ensure optimal performance, thus enhancing energy conservation. Together, these products represent the pinnacle of innovation in water heating technology.





