
W8840B1110 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $130.00 | Condition is Open box, Honeywell Resideo Water Heater Gas Valve Replaces W8840B1110, shipping cost = $10.00 | 99.4% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $198.50 | Condition is New, OEM State Reliance Water Heater Gas Valve Replaces Honeywell W8840B1110, FREE SHIPPING | ![]() |
![]() | $198.50 | Condition is New, OEM A.O. Smith Water Heater Gas Valve Replaces Lochinvar Honeywell W8840B1110, FREE SHIPPING | ![]() |

The Honeywell Resideo W8840B1110 Water Heater Gas Valve is a reliable and efficient solution for your water heating needs. This gas valve is designed to provide precise control over the gas supply to your water heater, ensuring optimal performance and energy efficiency.
The W8840B1110 is a type 2, direct-vent, intermittent pilot gas valve, making it suitable for both residential and light commercial applications. It features a 0.36 GPH standby loss rate, which is lower than many other gas valves in its class, helping to reduce unnecessary energy consumption.
This gas valve is equipped with a thermocouple-controlled pilot ignition system, which ensures reliable ignition and safe operation. The thermocouple continuously monitors the temperature of the water heater's flame and shuts off the gas supply if the flame goes out, preventing gas leaks and potential safety hazards.
The W8840B1110 also offers easy installation and maintenance. It comes with pre-wired leads for easy connection to the thermostat and igniter, and the valve body is made of durable cast brass with a protective chrome finish, ensuring long-lasting performance. The valve also includes a built-in condensate drain, which helps to prevent water damage and mold growth in the valve compartment.
In addition, the W8840B1110 is compatible with most standard water heater thermostats and can be used with both atmospheric and power-vented water heaters. It also meets or exceeds all applicable ANSI and ASME standards for safety and performance.
Overall, the Honeywell Resideo W8840B1110 Water Heater Gas Valve is a high-quality, reliable, and efficient option for your water heating system. Its advanced features, easy installation, and long-lasting performance make it a smart choice for homeowners and businesses alike.
Honeywell Resideo W8840B1110 Gas Water Heater Valve: A Detailed Analysis
The Honeywell Resideo W8840B1110 is a gas valve designed for use in residential water heating applications. This valve is known for its advanced features and reliability. In this analysis, we will discuss the pros and cons of buying this particular gas water heater valve.
Pros:1. Advanced Diagnostics: The W8840B1110 comes with built-in diagnostics that can help you identify and resolve issues quickly. This feature can save time and money by reducing the need for costly service calls.
2. Energy Efficiency: The valve is designed to optimize energy usage, ensuring that your water heater operates efficiently and effectively. This can lead to lower energy bills and a reduced carbon footprint.
3. Durable Construction: The valve is made with high-quality materials, ensuring that it can withstand the rigors of continuous use in a water heating application. This can lead to a longer service life and fewer replacement costs.
4. Easy Installation: The W8840B1110 is designed for easy installation, making it a popular choice among DIY enthusiasts and professional installers alike.
Cons:1. Cost: The Honeywell Resideo W8840B1110 is priced higher than some other gas water heater valves on the market. This may make it a less attractive option for those on a tight budget.
2. Complexity: The valve's advanced features and diagnostics may be more than some users need or want. This complexity can add to the learning curve for those installing and maintaining the valve.
3. Compatibility: The W8840B1110 is designed to work with specific water heater models and may not be compatible with all makes and models. It's essential to check the compatibility before making a purchase.
Conclusion:The Honeywell Resideo W8840B1110 gas water heater valve offers several advantages, including advanced diagnostics, energy efficiency, durable construction, and easy installation. However, it also comes with some drawbacks, such as a higher cost, complexity, and compatibility issues.
Recommendation:If you're looking for a reliable and energy-efficient gas water heater valve and are willing to pay a premium for advanced features and diagnostics, the Honeywell Resideo W8840B1110 is an excellent choice. However, if you're on a tight budget or prefer a simpler valve, there may be other options that better suit your needs. It's important to weigh the pros and cons carefully before making a decision.
Details:
Honeywell Resideo water heater gas valve replaces W8840B1110 new no original box.
specifications centrafurn:
- brand: Honeywell Resideo
- mpn: W8840b1110
- type: Water Heater Gas Valve
- unit type: Unit
- power source: Gas
- color: White
- country of origin: United States
seller centrafurn:
- # reviews: 7013
- rating: 99.3%
- city: streamwood, illinois
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
offer centrafurn:
- sold #: 10
- started: april 8, 2026
- options: ship-to-home
- availability: in stock
- in stock #: 3
- prices: $130.00–$198.50
- item condition:
- Open box
- New
payments centrafurn:
- credit card: discover
- wallet: google-pay
- other
- cash
returns centrafurn:
- time: 30 days
- paid by: buyer
- policy: returns accepted
- method: money back
shipping centrafurn:
- transit: 3-7 days
- carrier: usps
- type: fixed
- class: standard
- service: usps ground advantage
Also Available:
- VS8291E1001: SYSTEM, Fits Honeywell
- VR9205Q1010: VALVE, Honeywell
- BA80019-2: AIR PRESSURE FURNACE SWITCH, Fits Honeywell
- VR844A1036-VR844A-1036: FURNACE CONTROL VALVE HVAC, Fits Honeywell
- WV8840B5077-WV8840B5077-U: WATER HEATER VALVE, Resideo
- S86E1069: CONTROL, Honeywell
- CHW3610: WATER DETECTOR CABLE, Honeywell
- R7849A1023-U-R7849A1023-2349D: AMPLIFIER, Fits Honeywell
- WV4262E1214: WATER HEATER VALVE, Fits Rheem Ruud Honeywell
- 9641M4510: VALVE, Honeywell
- V5130A1342: WATER HEATER VALVE, Fits Honeywell



