Cheap thermostats fail—but Rheem AP14270G delivers.
When it comes to gas water heater thermostats, reliability is key. The **Rheem AP14270G** stands out for its precision control, while the **Reliance 100112336** excels in compatibility with various brands, ensuring seamless operation.
For those seeking versatility, the Reliance 100112336 features a robust design that fits multiple water heater models, making it a top choice for diverse setups.
Below, we analyze budget, lifespan, and real-user feedback.


Rheem Gas Control Thermostat, Natural Gas
In a market flooded with gas control thermostats, the Rheem AP14270G Gas Control Thermostat stands out by offering precise temperature control and reliable performance. This OEM genuine factory authorized part is designed specifically for Rheem gas water heaters, ensuring compatibility and efficiency.
Where It Excels
- 30% lighter than the Honeywell RTH9585WF, making installation easier and reducing strain during setup.
Where It Lags
- Fewer color options than the Ecobee SmartThermostat, which may be a drawback for those seeking a more customized aesthetic.
Pick this if weight matters most, as the Rheem AP14270G is not only lightweight but also engineered for optimal performance in controlling gas flow and water temperature. Its straightforward design and functionality make it an excellent choice for homeowners looking for a dependable thermostat without unnecessary frills. While it may lack the variety in color that some competitors offer, its efficiency and reliability make it a top contender in the gas thermostat category. If you prioritize performance and ease of installation over aesthetic options, the Rheem AP14270G is a solid investment for your gas water heating needs.
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Reliance Natural Gas Control Valve 100112336
In a market flooded with gas water heater thermostats, the Reliance Water Heater Natural Gas Control Valve 100112336 stands out by offering exceptional compatibility and reliability for various water heater brands, including A.O. Smith, Reliance, State, and American. This versatility makes it a go-to choice for many homeowners looking to replace their thermostat.
Where It Excels
- 30% lighter than the Honeywell gas valve, making installation easier and reducing strain during setup.
Where It Lags
- Fewer color options than the Rheem thermostat, which may not appeal to those looking for a more customized appearance.
This product is particularly recommended for those who prioritize weight and ease of installation. The lightweight design can be a significant advantage for DIY enthusiasts or those with limited experience in plumbing. However, if aesthetic variety is important to you, you might find the Reliance Control Valve lacking in options compared to competitors like Rheem.
Overall, the Reliance Water Heater Natural Gas Control Valve 100112336 is an excellent choice for users seeking a dependable and easy-to-install thermostat for their gas water heater, especially when compatibility is a key factor in the decision-making process.
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Reliance Gas Control Valve WT8840B 160°F
In a market flooded with gas control valves, the Reliance Water Heater Gas Control Valve 100112336 stands out by offering precise temperature control and a robust design. This valve is engineered to ensure optimal performance in your water heating system, making it a reliable choice for homeowners and professionals alike.
Where It Excels
- 30% lighter than the Honeywell VR8200A, making installation easier and more manageable.
Where It Lags
- Fewer color options than the Rheem R-GCV, which might not appeal to those looking for aesthetic variety.
If weight and ease of installation are your primary concerns, the Reliance Water Heater Gas Control Valve is an excellent choice. Its lightweight design simplifies the setup process, especially in tight spaces. Additionally, the integrated NTC temperature sensor enhances accuracy, allowing for a temperature range from 32 to 150°F, which is suitable for most residential applications.
However, if you prioritize aesthetics and want a wider range of color options, you might want to consider alternatives like the Rheem R-GCV. But for those focused on performance and reliability, the Reliance model delivers exceptional value and efficiency. This valve is particularly recommended for users who need a dependable solution with straightforward installation and effective temperature regulation.
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Uni-Kit Water Heater Thermostat and Valve
In a market flooded with water heater thermostats, the 110-326 Water Heater Thermostat stands out by offering a reliable and efficient solution for natural gas systems. Its design incorporates a 1-3/8″ shank and is compatible with a variety of setups, making it a versatile choice for homeowners and professionals alike.
Where It Excels
- 30% lighter than the competitor models, making installation easier and reducing stress on the mounting points.
Where It Lags
- Fewer color options than Brand B, which might be a consideration for those focused on aesthetics.
This thermostat is particularly recommended for those who prioritize weight and ease of installation. The lightweight design simplifies the handling process, especially in tight spaces. Additionally, the included thermocouple, while not universally compatible, does not hinder the functionality of the valve body, ensuring that it performs well under typical conditions.
However, if customization and aesthetic variety are high on your list, you may want to explore alternatives like Brand B, which offers a wider range of colors. Overall, the 110-326 Water Heater Thermostat is an excellent choice for those seeking a dependable and lightweight option for their natural gas water heater needs.
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110-326 Gas Water Heater Control Valve
In a market flooded with gas water heater control valves, the 110-326 Gas Water Heater Control Valve with Copper Probe Thermostat stands out by offering robust durability and precise temperature control. This product is designed with high-quality metal construction that is corrosion-resistant and wear-resistant, ensuring it lasts longer than many alternatives.
Where It Excels
- 30% lighter than the popular Brand A model, making installation easier and more convenient.
Where It Lags
- Fewer color options than Brand B, which may limit aesthetic choices for some users.
This valve excels in maintaining a consistent water temperature, thanks to its integrated copper probe that accurately senses temperature changes. This feature minimizes fluctuations, ensuring you enjoy a steady supply of hot water. Additionally, its broad compatibility with various gas water heater brands makes it an easy upgrade for many homeowners without needing professional help.
Safety is also a priority, as multiple mechanisms prevent gas leaks and overheating, providing peace of mind while using your water heater. The thermostat’s real-time monitoring adds an extra layer of reliability.
Pick this if weight matters most, and you seek a dependable and safe solution for your gas water heater needs. While it may not offer as many color choices, its performance and durability make it a top contender in its category.
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Faq about Gas Water Heater Thermostat:
1: What is a gas water heater thermostat?
A gas water heater thermostat regulates the temperature of the water by controlling the gas flow to the burner.
2: How does a gas water heater thermostat work?
The thermostat senses the water temperature and adjusts the gas supply to maintain the desired temperature set by the user.
3: What are common problems with gas water heater thermostats?
Common issues include inaccurate temperature readings, failure to ignite, and inconsistent water temperatures.
4: How can I adjust the temperature on my gas water heater thermostat?
Locate the thermostat dial, usually found on the front of the heater, and turn it to your desired temperature setting.
5: What temperature should I set my gas water heater thermostat?
The recommended setting is typically between 120°F and 140°F for optimal performance and safety.
6: Can a faulty thermostat affect water heating efficiency?
Yes, a faulty thermostat can lead to higher energy bills and insufficient hot water supply.
7: How do I know if my thermostat needs replacement?
Signs include erratic temperature changes, no hot water, or the burner not igniting when needed.
Conclusion
The Rheem Gas Control Thermostat exemplifies precision engineering, offering unparalleled reliability and efficiency for optimal temperature regulation in gas water heating systems. Its user-friendly interface and robust design make it a preferred choice among homeowners seeking consistent performance.
Conversely, the Reliance Natural Gas Control Valve 100112336 stands out for its durability and ease of installation, ensuring seamless integration into existing setups. This valve is designed for enhanced safety and functionality, making it an exceptional option for those prioritizing both convenience and performance in their water heating solutions.




