
VR8440P4035 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $355.95 | Condition is New, Honeywell Furnace Control Gas Valve Fits VR8440P4035 VR8440P 4035, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $140.00 | Top Pick! Condition is Used, Honeywell Furnace Boiler Control Gas Valve VR8440P4035, FREE SHIPPING | 99.4% |
![]() | $140.00 | Condition is Used, Honeywell VR8440P4035 Burnham Boiler Gas Valve. Same Day Shipping, shipping cost = $9.00 | 99.8% |

The Honeywell VR8440P4035 Furnace Boiler Control Gas Valve is a critical component in the efficient operation of your home heating system. This gas valve is designed to provide precise control over the flow of natural or propane gas to your furnace or boiler, ensuring consistent temperature and optimal energy utilization.
The VR8440P4035 gas valve is a modulating valve, which means it can adjust the gas flow rate in small increments. This fine-tuned control allows the heating system to respond quickly to temperature changes, providing a more even and comfortable living environment. The valve operates using a magnetic actuator, which responds to electrical signals from the furnace control board to open and close the valve.
The VR8440P4035 is a direct replacement for the original factory-installed gas valve on many furnaces and boilers. It is designed to fit and function seamlessly with your existing system. The valve body is made of durable cast aluminum, which provides excellent heat dissipation and resistance to corrosion. The valve also features a stainless steel diaphragm, which provides long-lasting reliability and resistance to wear and tear.
The gas valve is also equipped with an adjustable position sensor, which enables the furnace control board to monitor the valve position and ensure proper system operation. The sensor can be easily calibrated using the provided adjustment screw, allowing for fine-tuning of the valve position for optimal system performance.
Installation of the Honeywell VR8440P4035 gas valve is straightforward and can typically be completed by a qualified HVAC technician in a few hours. The valve is designed to work with both standard 115V and 230V electrical systems, and comes with all necessary mounting hardware. The valve also includes a built-in bypass, which allows for continuous gas flow to the furnace during servicing or maintenance.
In summary, the Honeywell VR8440P4035 Furnace Boiler Control Gas Valve is a high-performance, reliable, and durable component for your home heating system. Its precise gas flow control, magnetic actuator technology, and adjustable position sensor make it an excellent choice for maintaining a comfortable and energy-efficient living environment.
Honeywell VR8440P4035 is a gas valve designed for use with furnace or boiler systems. This component plays a crucial role in controlling the flow of gas to the burners, ensuring efficient and safe operation of the heating system. In this discussion, we will explore the potential advantages and disadvantages of purchasing a Honeywell VR8440P4035 gas valve.
Advantages:1. Reliability: Honeywell is a well-known and trusted brand in the HVAC industry. The VR8440P4035 gas valve is engineered to deliver consistent performance and long-lasting durability.
2. Easy Installation: This gas valve is compatible with various furnace and boiler models, making it a versatile option for homeowners and professionals. Its plug-and-play design simplifies the installation process.
3. Precise Control: The Honeywell VR8440P4035 gas valve offers precise fuel flow control, ensuring efficient combustion and reduced energy consumption.
4. Safety: This gas valve is designed with safety features, such as a fail-safe position that prevents gas flow in the event of power loss or malfunction.
Disadvantages:1. Cost: The Honeywell VR8440P4035 gas valve may have a higher price point compared to some other options in the market.
2. Limited Compatibility: While this gas valve is compatible with various systems, it may not be the best fit for all furnace or boiler models. It is essential to verify compatibility before making a purchase.
3. Complex Repair: In case of a malfunction, the repair process for this gas valve can be more complicated than some other models due to its intricate design.
Conclusion:The Honeywell VR8440P4035 gas valve offers several advantages, such as reliability, easy installation, precise control, and safety features. However, it may come with a higher cost and limited compatibility with certain furnace or boiler models. Additionally, the repair process can be more complex compared to some other options. Ultimately, the decision to purchase the Honeywell VR8440P4035 gas valve depends on your specific heating system requirements, budget, and expertise in HVAC repair. If you prioritize reliability, precise control, and safety, this gas valve may be a worthwhile investment. However, if you're looking for a more affordable or universally compatible option, you may want to explore other gas valve models on the market.
Details:
There is no warranty on used parts. This part was removed by a certified hvac installer from fully functioning system. The part has been inspected and was in working condition when removed. Parts that are purchased should be installed by a certified hvac technician.
specifications centrafurn:
- brand: Fits Honeywell
- mpn: Vr8440p4035
- model: Vr8440p4035 Vr8440p 4035
- type: Central Furnace
- power source: Gas
- heating system: Furnace
- item width: 34 In
shipping centrafurn:
- transit: 4-9 days
- carrier: usps
- service: usps ground advantage
- type: calculated
- class: standard
payments centrafurn:
- credit card: diners-club
- wallet: apple-pay
- other
returns centrafurn:
- method: money back
- paid by: buyer
- policy: returns accepted
- time: 14 days
seller centrafurn:
- # reviews: 3220
- rating: 99.3%
- city: warminster, pennsylvania
offer centrafurn:
- sold #: 16
- in stock #: 3
- availability: in stock
- started: november 29, 2025
- options: ship-to-home
- prices: $140.00–$355.95
- item condition:
- New
- Used
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
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