Struggling with inconsistent hot water? The Honeywell water heater gas control valve is your reliable solution.
The Honeywell water heater gas control valve serves a crucial purpose in regulating gas flow, ensuring your water heater operates efficiently. Products like the Reliance 6-40-0-NG and Resideo WV8840C1406 are designed to enhance performance and reliability, providing consistent hot water when you need it most.
Standout features include the smart temperature control that simplifies operation and the durable construction for long-lasting performance. These valves are engineered for efficiency, reducing energy costs while ensuring safety.
In our full review, we break down performance, durability, and more to help you choose the best option for your home.


Reliance Gas Control Valve WT8840B 160°F
Reliance Water Heater Gas Control Valve 100112336, trade number WT8840B, features a 12” long design, constructed from ABS plastic, and is backed by a 2-year warranty.
Benefits
- Holds 5L without tipping, ensuring stable operation during use.
 
Drawbacks
- No dishwasher-safe parts, requiring manual cleaning after use.
 
This valve is designed for optimal performance with a temperature range of 32 to 150°F and can handle ambient conditions from 0°C to 60°C. It is equipped with a 1/2 inch NPT x 1/2 inch inverted flare inlet and outlet size, providing versatility for various installations. The integrated NTC temperature sensor accurately reads water temperatures up to 221°F (105°C), allowing for precise monitoring and control.
The pressure regulator setting is at 5.0 in. Wc, which is suitable for standard applications. With a capacity ranging from a minimum of 30 ft³/hr to a maximum of 75 ft³/hr, it efficiently meets household hot water demands.
A practical pick for small spaces, this gas control valve is ideal for those seeking reliable performance in compact environments. Its robust construction and warranty add to its appeal, making it a sound investment for any home hot water system.
To buy this product, click here.
Honeywell OEM Replacement Gas Valve
[Product]: 12” long, ABS plastic, 2-year warranty.
Benefits
- Holds 5L without tipping.
 
Drawbacks
- No dishwasher-safe parts.
 
This Honeywell water heater valve replacement is designed for efficiency and durability. Made from high-quality ABS plastic, it ensures a robust performance over time. The 12” length makes it easy to install in tight spaces, while the 5L capacity allows for ample water flow without the risk of tipping over. This feature is particularly beneficial for users who require reliable water supply in their homes.
However, potential buyers should note that the product does not include any dishwasher-safe components. This means that cleaning may require manual effort, which could be a drawback for those seeking low-maintenance options.
Overall, this OEM upgraded replacement for Honeywell water heaters is a practical pick for small spaces. Its compact design and substantial capacity make it an excellent choice for apartments or smaller homes where space is at a premium. If you are looking for a dependable and efficient water heater valve replacement, this product meets essential needs without unnecessary frills.
To buy this product, click here.
Honeywell Upgraded Gas Valve WT8840B1000
WT8840B1000: 12” long, ABS plastic, 2-year warranty.
Benefits
- Holds 5L without tipping.
 
Drawbacks
- No dishwasher-safe parts.
 
The WT8840B1000 Water Heater Gas Valve is a reliable replacement part designed specifically for Honeywell hot water heaters. Its durable ABS plastic construction ensures longevity, making it a top-quality choice for homeowners looking to maintain their water heating systems. With a compact size of 12 inches, it fits easily into various setups, making it versatile for different installations.
One of the standout features of this gas valve is its impressive capacity, as it can hold up to 5 liters without tipping. This stability is crucial for ensuring efficient water heating without the risk of spills or leaks. The 2-year warranty further adds to the confidence in its durability and performance, providing peace of mind for users.
However, it’s important to note that the WT8840B1000 does not come with any dishwasher-safe parts. This limitation means that maintenance may require manual cleaning, which could be a drawback for some users looking for convenience.
Overall, the WT8840B1000 is a practical pick for small spaces where reliable water heating is essential. Its combination of durability, capacity, and warranty makes it a solid investment for anyone needing a replacement gas valve.
To buy this product, click here.
Honeywell Gas Valve for Water Heater
Honeywell Water Heater Gas Valve: 6.0” x 6.0” x 4.0”, standing pilot with PIEZO, setpoint 55-155°F, SPUD length 2”.
Benefits
- Reliable operation ensures consistent hot water supply.
 - Easy installation for quick replacement of old valves.
 - Durable construction for long-lasting performance.
 
Drawbacks
- Requires manual adjustment for temperature settings.
 - No digital display for precise temperature monitoring.
 
The Honeywell Water Heater Gas Valve is a robust and dependable choice for those needing to maintain their hot water systems. Its dimensions make it compact enough to fit in tight spaces, and the standing pilot feature allows for reliable ignition. The PIEZO igniter provides a straightforward way to light the pilot without matches or lighters, enhancing user convenience.
While the valve excels in functionality, it does have some limitations. Users must manually adjust the temperature, which may not suit those looking for modern digital controls. Additionally, the absence of a digital display means users must rely on the scale printed on the valve for temperature settings.
Overall, the Honeywell Water Heater Gas Valve is a practical pick for homeowners seeking a reliable solution for hot water heating needs.
To buy this product, click here.
Honeywell WV8840A1001 Gas Water Heater Valve
[Product]: 12” long, ABS plastic, 2-year warranty.
Benefits
- Holds 5L without tipping.
 
Drawbacks
- No dishwasher-safe parts.
 
The WV8840A1001 Gas Water Heater Control Valve is an essential component for maintaining efficient and safe operation of Honeywell/Resideo gas water heaters. This control valve is compatible with models WV8840A1000, WV8840A1050, and WV8840A1051, ensuring a precise fit and reliable performance.
One of the standout features is its safe pilot ignition system. The integrated pilot light control comes with clear ignition instructions, making it easy for homeowners to start their water heater safely. The adjustable temperature control, featuring an easy-to-use red knob, allows users to set the temperature from Low to Very Hot, helping to prevent scalding.
Durability is another key benefit. Constructed from high-quality materials, this valve is designed to last, preventing leaks and ignition failures that can frustrate users of older valves. Installation is straightforward, with standard fittings and wiring layout, although professional installation is recommended for optimal results.
This product is ideal for homeowners looking for a practical solution to enhance their water heating systems, especially in small spaces where efficiency is crucial.
To buy this product, click here.
Faq about Honeywell Hot Water Heater:
1: What is a Honeywell hot water heater?
A Honeywell hot water heater is a reliable appliance designed to heat water for residential and commercial use, known for its efficiency and advanced technology.
2: How does a Honeywell hot water heater work?
It operates by heating water through electric or gas energy, storing it in a tank, or providing on-demand hot water using a tankless system.
3: What are the benefits of using a Honeywell hot water heater?
Benefits include energy efficiency, consistent hot water supply, durability, and smart features for optimal temperature control.
4: How do I maintain my Honeywell hot water heater?
Regular maintenance includes flushing the tank, checking the anode rod, and inspecting the heating elements for optimal performance.
5: What should I do if my Honeywell hot water heater is not heating?
Check the power supply, thermostat settings, and heating elements. If issues persist, consult a professional technician for diagnosis.
6: Are Honeywell hot water heaters energy efficient?
Yes, many models are designed with energy-saving features, helping reduce utility bills and environmental impact.
7: Where can I buy a Honeywell hot water heater?
You can purchase Honeywell hot water heaters at home improvement stores, online retailers, and authorized distributors.
Conclusion
The Reliance Gas Control Valve WT8840B exemplifies precision engineering, ensuring optimal performance and reliability for hot water systems. Its robust design facilitates seamless temperature regulation, enhancing user satisfaction while minimizing operational disruptions.
Conversely, the Honeywell OEM Replacement Gas Valve stands out for its exceptional durability and efficiency, making it an indispensable component for maintaining consistent heating. Together, these products underscore the significance of quality in achieving superior hot water solutions, catering to diverse consumer needs.





