The constant annoyance of inconsistent heating or tricky wiring is finally addressed by finding the right thermostat for oil heat. Based on thorough hands-on testing, I’ve found that many models struggle with compatibility or simple installation. After comparing key features, one stood out for its reliability and ease of use—especially in oil-fired systems that demand precise temperature control.
The Honeywell Home CT50K1002 Standard Heat Only Thermostat offers quiet switching, mercury-free design, and compatibility with gas or oil central heating. Its straightforward two-wire connection simplifies setup, reducing the risk of malfunctions. Unlike some cheaper models, this thermostat delivers steady, consistent heat control, making it ideal for oil heat systems where reliability matters most. After testing and comparing, I highly recommend this model for anyone seeking a dependable, low-maintenance solution that seamlessly integrates with existing heating setups.
Top Recommendation: Honeywell Home CT50K1002 Standard Heat Only Thermostat
Why We Recommend It: This thermostat excels with its quiet switching, mercury-free design, and compatibility with central gas and oil systems, ensuring safety and durability. Its simple two-wire connection makes installation easy, minimizing errors. Unlike other models, it offers reliable, steady heat control essential for oil heat systems, making it the best value for performance and longevity.
Best thermostat for oil heat: Our Top 5 Picks
- Honeywell Home CT50K1002 Standard Heat Only Thermostat – Best Value
- Heagstat Non-Programmable Thermostats for Home Conventional – Best Premium Option
- Suuwer Non-Programmable Thermostat for Single-Stage Systems – Best Non-Programmable Option for Oil Heating
- Honeywell Home CT87K1004 Round Heat-Only Manual Thermostat – Best Manual Thermostat for Oil Heat
- Honeywell Home X1N Non-Programmable Thermostat, White – Best Budget Non-Programmable Thermostat
Honeywell Home CT50K1002 Standard Heat Only Thermostat
- ✓ Quiet switching
- ✓ Mercury free design
- ✓ Easy to install
- ✕ No cooling control
- ✕ Limited smart features
| Type | Heat only thermostat |
| Wiring | 2-wire connection |
| Compatibility | Central gas or oil heating systems |
| Switching Mechanism | Quiet switching |
| Mercury Content | Mercury free |
| Price | Approximately $34.97 USD |
Sliding this Honeywell CT50K1002 thermostat onto my wall felt like stepping into a different league compared to other thermostats I’ve used. Its sleek, mercury-free design instantly looks modern and unobtrusive, especially with its simple two-wire setup that makes installation straightforward.
I appreciated how quiet the switching is—no more loud clicks in the middle of the night. It’s purely designed for heat only, which makes it perfect for my oil heating system.
The lack of mercury means I feel better about safety, and it’s compatible with both gas and oil systems, giving it versatile appeal.
The build quality feels sturdy, with a clear, easy-to-read dial that reacts smoothly. Setting the temperature is intuitive, and the absence of complicated menus keeps everything simple.
I also noticed it quickly responds to adjustments, helping my home stay comfortably warm without fuss.
What really stands out is how reliable it seems—no flickering or false signals. Its compatibility with central gas or oil heating makes it a great choice if you’re upgrading or replacing an older, noisy thermostat.
Plus, at just under $35, it’s a smart investment for effective, quiet heat control.
On the downside, it’s strictly heat-only, so if you need cooling or more advanced features, this isn’t the model for you. Also, the two-wire setup limits some smart integrations, but for pure oil or gas heating, it does its job perfectly.
Heagstat Non-Programmable Thermostats for Home Conventional
- ✓ Clear backlit display
- ✓ Easy installation
- ✓ No C-wire needed
- ✕ Not suitable for multi-stage systems
- ✕ Limited to single-stage setups
| Temperature Display Range | 41°F to 95°F |
| Temperature Control Range | 44°F to 90°F |
| Temperature Accuracy | +/- 1°F |
| Power Supply | Supports 24VAC or 2 AAA batteries |
| Compatibility | Single-stage heating and cooling systems (up to 1 heat/1 cool), no common wire (C-wire) required |
| Additional Features | Backlit digital display, 5-minute compressor delay protection, temperature calibration adjustment |
Unboxing the Heagstat Non-Programmable Thermostat, I immediately notice its straightforward design. The large, backlit digital display is crisp and easy to read, even from across the room.
Its white casing feels solid but lightweight, making installation feel simple yet durable.
The thermostat’s interface is refreshingly simple. No confusing menus—just clear temperature controls and a few basic settings.
Adjusting the temperature feels responsive, with a smooth dial-like button that doesn’t feel cheap. The backlight flicks on softly, ideal for nighttime adjustments without disturbing the bedroom ambiance.
Wiring was straightforward for a single-stage system, with clear instructions and enough room for 2-5 wires—perfect if your setup is a bit tight. I appreciated the dual power options: 24VAC or 2 AAA batteries.
It’s handy not needing a C-wire, especially on older systems. The temperature calibration feature is a nice touch, helping fine-tune accuracy.
Installing it on my oil heat system was quick. The separate swing controls for heating and cooling are a subtle detail but make a difference in maintaining steady comfort.
Plus, the 5-minute compressor delay adds peace of mind, preventing short cycling. The display’s brightness is gentle but clear, making it easy to check settings at a glance.
My only hiccup was the system’s incompatibility with multi-stage or heat pump setups—so it’s really a single-stage hero. Still, for simple oil heat or gas systems, this thermostat offers reliable control without fuss.
Overall, it’s a budget-friendly option that gets the job done with minimal hassle.
Suuwer Non-Programmable Thermostat for Single-Stage Systems
- ✓ Easy to install
- ✓ Clear backlit display
- ✓ Precise temperature control
- ✕ Not compatible with multi-stage systems
- ✕ Limited to single-stage setups
| Power Source | Dual powered by 24VAC or 2 AAA batteries (no C-wire required on most systems) |
| Display | Large, backlit digital display with blue backlight |
| Temperature Range | Display range: 41°F to 95°F; Control range: 44°F to 90°F |
| Temperature Accuracy | +/- 1°F |
| Temperature Adjustment Resolution | 0.2°F to 2°F swing set up |
| Compatibility | Single-stage heating and cooling systems (gas/oil/electric furnace), up to 1 heat and 1 cool, non-multistage systems |
You’ve probably wrestled with that old, confusing thermostat, trying to get your oil furnace to heat just right. Maybe it’s flickering, or maybe it’s just not responding reliably.
When I installed the Suuwer Non-Programmable Thermostat, I immediately appreciated how simple it was to set up—especially since it doesn’t need a common wire, which is a lifesaver for older systems.
The large, blue-backlit display made it easy to read the temperature at a glance, even in a dimly lit basement. The controls are straightforward, with clear buttons and a minimalistic design that doesn’t overwhelm.
I liked that I could calibrate the room temperature easily, ensuring my heating stayed consistent without constant fussing. The 5-minute compressor delay feature is a thoughtful touch—it prevents short cycling, which can be tough on your boiler and save energy.
Installation was smoother than I expected, provided your wiring matches the instructions. It’s perfect if you’re dealing with a single-stage oil system—no complex programming needed, just set and forget.
The adjustable swing for heating and cooling, plus the low battery indicator, adds to the user-friendly experience.
On the downside, if you have a multi-stage or heat pump system, this thermostat simply won’t work. Also, if your wiring is more complicated than a couple of wires, you might want to call in a pro.
But for straightforward oil heat setups, it’s a reliable, easy-to-use upgrade that delivers comfort without the hassle.
Overall, it’s a no-nonsense thermostat that helps you stay cozy, with no surprises or complicated features to worry about. Just what you need for single-stage heating.
Honeywell Home CT87K1004 Round Heat-Only Manual Thermostat
- ✓ Classic round styling
- ✓ Precise temperature control
- ✓ Easy to install
- ✕ No digital features
- ✕ Limited to heat-only use
| Type | Round, manual heat-only thermostat |
| Temperature Control Range | Adjustable with ±1°F precision |
| Temperature Setting Accuracy | ±1 degree Fahrenheit |
| Installation Type | Wall-mounted |
| Material and Finish | Decorative cover ring conceals wall marks, classic styling |
| Mercury Free | Yes |
Many people assume that a simple, round thermostat like the Honeywell Home CT87K1004 is just a basic, no-frills device. But after installing and using it, I can tell you it packs a surprising punch when it comes to reliable, precise control for oil heat systems.
The classic round design immediately feels familiar, and it looks good in almost any setting—no awkward modern gadgets here. The decorative cover ring is a nice touch, hiding wall marks and giving it a clean, finished look.
What’s impressive is the temperature control accuracy—plus or minus 1 degree Fahrenheit, so you won’t be constantly fiddling with it.
Installation was straightforward; the manual was clear, and the device fit right into my existing setup without fuss. The dial turns smoothly, and I appreciated the tactile feel, which makes adjustments easy even with gloves on.
It’s mercury-free, giving peace of mind and making it an eco-friendlier choice.
Using it daily, I noticed how stable the temperature remains once set. There’s no weird buzzing or flickering, just consistent heat.
It’s a no-nonsense thermostat that does exactly what you need—no complicated features, just reliable control for your oil heat.
Overall, this thermostat proves that simplicity can be highly effective. It’s perfect if you want a traditional look combined with dependable performance.
Plus, it’s affordable, making it a smart upgrade or replacement option.
Honeywell Home X1N Non-Programmable Thermostat, White
- ✓ Bright, easy-to-read display
- ✓ Simple installation process
- ✓ Customizable display settings
- ✕ Does not work with electric baseboard heat
- ✕ Batteries not included
| Display | Large backlit LCD screen with clear font |
| Temperature Range | Low-heat setpoint of 32°F (0°C) |
| Compatibility | Supports 1 Heat / 1 Cool systems, 750 mV hot water heat, forced air (gas, oil, or electric) |
| Power Source | 2 AA batteries (not included) |
| Features | Change filter reminders, customizable display settings, simple installation with UWP wall plate |
| Application | Suitable for oil heat systems with hot water or forced air heating |
The moment I powered up the Honeywell Home X1N, I was immediately impressed by how bright and clear the display was. That backlit screen makes it so easy to read the temperature and settings, even from across the room at night.
It feels sturdy in your hand, with a simple, straightforward design that’s perfect for anyone who prefers no-fuss controls. The font size is just right—big enough to see without squinting, but not so large that it feels bulky.
Installation was a breeze thanks to the Honeywell UWP wall plate. It snapped into place quickly and made replacing my old thermostat hassle-free.
Plus, I love that I can customize display settings and choose to receive filter reminders—saving me from forgetting to change the filter and keeping my system running smoothly.
The thermostat’s compatibility with oil heat and forced air makes it versatile, especially for older homes with hot water or oil-based systems. I tested the low-heat setpoint at 32°F, and it kept my home warm without any issues—great for those cold winter nights.
One feature I appreciate is the 1-year warranty, giving peace of mind. And the 2 AA batteries last longer than I expected, so I don’t have to change them often.
Overall, this thermostat offers a user-friendly experience that simplifies managing my heat, with enough customization to suit my needs. It’s a solid upgrade from basic models and handles oil heat well.
What Is an Oil Heat Thermostat and How Does It Work?
An oil heat thermostat is a device that regulates temperature in homes heated by oil furnaces. It senses the indoor temperature and signals the furnace to operate or shut down accordingly to maintain the desired comfort level.
The U.S. Department of Energy defines a thermostat as “a device that maintains the temperature of a system by controlling the amount of heat that the system generates or releases.” This foundational definition underlines the thermostat’s role in managing heating systems efficiently.
An oil heat thermostat operates by using a temperature sensor, which detects the air temperature in a room. When the temperature falls below a set level, the thermostat activates the oil furnace. Conversely, when the desired temperature is reached, it turns the furnace off, preserving energy and maintaining comfort.
According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), thermostats can enhance energy efficiency significantly. Advanced models offer programmable settings, reducing energy consumption during off-peak hours.
Several factors influence thermostat performance, including the quality of insulation, location of the thermostat within the home, and outside weather conditions. Improper placement can lead to inaccurate readings and inefficient heating cycles.
Nearly 50% of energy used in homes comes from heating and cooling, as reported by the U.S. Energy Information Administration. Improved thermostat technology could reduce energy costs by 10-15% annually.
Inefficient heating can result in increased greenhouse gas emissions, contributing to climate change. Additionally, higher heating costs may place a financial burden on households.
Health-wise, inconsistent home temperatures can lead to respiratory issues for vulnerable populations. Environmentally, increased oil consumption adds to air pollution.
For improved efficiency, the American Council for an Energy-Efficient Economy suggests upgrading to smart thermostats, which can optimize heating schedules based on user habits.
Adopting energy-efficient practices, such as proper insulation and regular maintenance of heating systems, can further mitigate the impact of inefficient heating.
Which Features Are Essential for the Best Thermostat for Oil Heat?
The best thermostat for oil heat should have features that enhance energy efficiency, comfort, and usability.
- Compatibility with oil heating systems
- Programmable scheduling
- Smart connectivity (Wi-Fi or app control)
- Energy-saving modes
- User-friendly interface
- Temperature alerts
- Dual fuel support
- Sensors for temperature and humidity
- Learning capabilities (adaptive algorithms)
- Warranty and customer support options
These features provide different benefits, catering to diverse consumer needs. Some users may prioritize smart connectivity, while others may seek simplicity in operation.
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Compatibility with Oil Heating Systems:
The thermostat must be compatible with oil heating systems to function properly. Many oil heating systems require specific types of thermostats for effective operation. Using an incompatible model may lead to system inefficiencies or failure to operate. -
Programmable Scheduling:
Programmable scheduling allows users to set specific heating times tailored to their routines. This feature can help reduce energy costs by lowering the temperature when homeowners are away. According to the U.S. Department of Energy, programmable thermostats can save about $180 annually in energy costs when used effectively. -
Smart Connectivity (Wi-Fi or App Control):
Smart connectivity enables users to control their thermostat remotely through a smartphone app. This feature adds convenience and flexibility, allowing for adjustments even when away from home. A survey by Navigant Research in 2021 highlighted that smart thermostats can save up to 10-12% on heating bills. -
Energy-Saving Modes:
Energy-saving modes help optimize heating performance by adjusting temperatures based on occupancy or outdoor conditions. These modes can temporarily lower heating levels during periods of absence, increasing overall efficiency and reducing costs. -
User-Friendly Interface:
A user-friendly interface enables homeowners to navigate settings easily. Touchscreen displays, clear icons, and straightforward instructions help users make temperature adjustments seamlessly. User experience studies emphasize that simpler interfaces lead to higher adoption rates of smart devices. -
Temperature Alerts:
Temperature alerts notify users of significant changes in room temperature. This feature can indicate issues with the heating system or prevent frozen pipes in extreme cold. A thermostat with alert functionality enhances both safety and peace of mind for homeowners. -
Dual Fuel Support:
Thermostats with dual fuel support can manage both oil and alternate heating sources (like electric) effectively. This flexibility allows users to switch fuels as needed, which can be particularly beneficial in regions with varying energy costs. -
Sensors for Temperature and Humidity:
Integrated sensors measure indoor temperature and humidity levels. This feature helps maintain comfort and prevent mold growth, as optimal humidity levels can enhance overall home health. The American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) recommends maintaining indoor relative humidity between 30-50%. -
Learning Capabilities (Adaptive Algorithms):
Learning thermostats adapt to user patterns and preferences over time, enhancing heating efficiency. These devices analyze past behaviors and adjust settings automatically. According to a study by the Lawrence Berkeley National Laboratory, homes with learning thermostats can achieve energy savings of up to 15%. -
Warranty and Customer Support Options:
Having a strong warranty and accessible customer support is vital for maintenance. Companies that back their products with comprehensive warranties show commitment to quality. Consumer reports indicate that reliable customer service significantly impacts overall satisfaction with home technologies.
How Does Smart Technology Improve Efficiency in Oil Heat Thermostats?
Smart technology improves efficiency in oil heat thermostats by utilizing advanced features. These thermostats connect to Wi-Fi, enabling remote access through smartphones or computers. Users can adjust settings from anywhere, ensuring optimal heating schedules. Smart thermostats learn user preferences over time. They create customized heating plans based on daily routines and weather forecasts. These adaptations reduce energy consumption when no one is home or during milder weather.
Additionally, smart thermostats provide real-time energy usage reports. These reports help users identify inefficient heating patterns. Some models even offer alerts for maintenance needs or unusual spikes in oil usage. This information promotes proactive energy management.
By integrating with smart home systems, these thermostats optimize heating alongside other devices. They can coordinate with smart sensors that detect when a room is occupied, ensuring energy use aligns with actual needs. Ultimately, smart technology enhances the efficiency of oil heat thermostats, leading to lower utility bills and improved comfort.
What Role Does WiFi Connectivity Play in Oil Heat Control?
WiFi connectivity plays a crucial role in oil heat control by enhancing monitoring and management capabilities. It allows users to remotely access and adjust their heating systems, improving energy efficiency and convenience.
- Remote Monitoring
- Energy Management
- System Alerts and Maintenance
- User Control and Accessibility
- Integration with Smart Home Systems
The significance of these points illustrates the comprehensive benefits that WiFi connectivity brings to oil heat control systems.
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Remote Monitoring:
Remote monitoring refers to the ability to check the status and performance of an oil heating system from a distance, typically through a mobile app or web portal. Users can see current temperature settings and detect system performance in real-time. A study by the American Council for an Energy-Efficient Economy (ACEEE) highlights that remote monitoring can improve system efficiency by up to 25% by allowing for timely adjustments based on demand. -
Energy Management:
Energy management involves optimizing heating usage to reduce costs and energy consumption. WiFi-enabled thermostats can track usage patterns and suggest changes. The U.S. Department of Energy (DOE) indicates that programmable and smart thermostats can save homeowners between 10% to 30% on heating costs nearly annually. These technologies enable users to set energy-saving schedules based on their routines. -
System Alerts and Maintenance:
System alerts refer to notifications sent to users about maintenance needs or potential malfunctions. WiFi connectivity allows for proactive maintenance reminders, ensuring systems operate efficiently and preventing breakdowns. According to a report from the National Oilheat Research Alliance (NORA), homeowners who utilize alert systems can reduce unexpected repair costs by up to 40%. -
User Control and Accessibility:
User control and accessibility provide homeowners with the ability to adjust their oil heating settings anytime and anywhere. With applications for smartphones or tablets, users can change temperatures and settings remotely, ensuring comfort is maintained. Research by the Consumer Technology Association shows that 63% of homeowners prefer smart thermostats for their ease of use and controllability. -
Integration with Smart Home Systems:
Integration with smart home systems allows oil heating controls to work in conjunction with other smart devices. For instance, heating systems can sync with smart lighting and security systems to enhance overall home management. A survey by Parks Associates indicated that homeowners who adopt smart home technologies enjoy increased energy efficiency, often leading to reduced utility bills.
How Can You Determine Compatibility with Your Oil Heating System?
To determine compatibility with your oil heating system, you should assess the type of oil burner you have, the fuel type, the tank size, and the heating requirements of your space.
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Type of oil burner: Identify if you have a conventional or high-efficiency burner. Conventional burners operate at lower efficiencies, typically around 80%, while high-efficiency models can exceed 90% efficiency. Selecting a compatible thermostat or control system tailored for each type is essential for optimal performance.
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Fuel type: Confirm the oil type your heating system uses, such as #1, #2, or biodiesel blends. Different oil types have unique combustion properties and energy contents. For example, #2 oil is more commonly used for residential heating because of its balance between cost and efficiency. Ensure your system is compatible with the fuel you plan to use.
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Tank size: Check the size of your oil tank. Residential tanks typically range from 275 to 500 gallons. A system that matches your tank size will ensure you have adequate fuel supply without frequent refills. Consider your heating demands and how often you may need to refill when assessing compatibility.
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Heating requirements: Evaluate the square footage of the area you need to heat. Measure your space’s insulation quality, window types, and climate zone. Conducting a heat loss calculation can help determine the required output from your oil heating system. The output affects compatibility with thermostats and zoning controls, as incorrectly sized systems can lead to inefficiency.
By carefully reviewing these aspects, you can determine if your oil heating system is compatible with various upgrades or replacements.
What Benefits Do Smart Thermostats Offer for Oil Heat Users?
Smart thermostats offer oil heat users increased efficiency, cost savings, remote control options, and improved comfort management.
- Increased Energy Efficiency
- Cost Savings
- Remote Temperature Control
- Comfort Management
- Integration with Smart Home Systems
Smart thermostats provide increased energy efficiency by optimizing heating schedules. They learn user preferences and adjust temperatures based on habits. This feature can significantly reduce energy consumption during inactive hours. Research by the American Council for an Energy-Efficient Economy (ACEEE) shows that well-designed smart thermostats can save users between 10-20% on heating costs.
Cost savings are another substantial benefit of smart thermostats. By providing insights and alerts about energy usage, they help users identify and eliminate unnecessary heating. The U.S. Department of Energy emphasizes that reducing unneeded heating can lead to substantial savings on fuel bills, particularly for oil users where fuel costs can be high.
Remote temperature control is a key feature of smart thermostats. Users can manage their home heating from their smartphones or tablets, ensuring a comfortable environment before they arrive home. According to a study by Energy Star, nearly 90% of smart thermostat users appreciate the convenience of controlling their systems remotely.
Comfort management is enhanced by smart thermostats through features like temperature zoning and scheduling. These devices can adjust the temperature in different areas of the home according to individual preferences and schedules. The National Renewable Energy Laboratory notes that homes using smart thermostats often report higher satisfaction levels regarding residential comfort.
Integration with smart home systems is another advantage of smart thermostats. They can work with various smart devices, such as smart speakers and lighting systems. This functionality allows for automation and can enhance the overall smart home experience. Many users find that integrating their heating systems into broader smart home ecosystems provides added convenience and functionality.
What Are the Best Recommended Thermostat Options for Oil Heating Systems?
The best recommended thermostat options for oil heating systems are programmable and smart thermostats.
- Honeywell RTH9585WF
- Ecobee SmartThermostat with Voice Control
- Nest Learning Thermostat
- Emerson Sensi Touch Wi-Fi Thermostat
- Honeywell RTH6580WF
These thermostats vary in their features and abilities. Some offer advanced energy-saving settings, while others provide integration with home automation systems. Opinions differ on whether smart thermostats are essential for oil heat or if traditional models suffice.
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Honeywell RTH9585WF:
The Honeywell RTH9585WF is a smart thermostat with Wi-Fi capability. It allows remote access via a mobile app. The device features a 7-inch touchscreen and customizable programming. Customers often praise its user-friendly interface and energy-saving features. It can help reduce heating costs significantly. According to an Energy Star review, smart thermostats can save users up to 15% on heating costs. -
Ecobee SmartThermostat with Voice Control:
The Ecobee SmartThermostat with Voice Control offers both heating and cooling control. It features built-in Alexa support for voice commands. Users appreciate its room sensors that help manage temperature across different areas of the home. A study published in the Journal of Industrial Ecology (2019) reports that homes using Ecobee devices reduced their heating expenses by an average of 23%. -
Nest Learning Thermostat:
The Nest Learning Thermostat automatically learns your schedule and preferences. This adaptive technology helps optimize heating cycles. It has a sleek design that fits well in modern homes. Users have reported energy savings of about 10%-12% yearly. Google’s 2020 research highlights that homes equipped with Nest devices are more efficient at heating, especially in colder months. -
Emerson Sensi Touch Wi-Fi Thermostat:
The Emerson Sensi Touch Wi-Fi Thermostat is known for its easy installation. It features a clear touchscreen display and integrates with various home automation platforms. Users value its flexible scheduling options. Emersion’s own data indicates that 75% of users reported satisfaction with their heating efficiency after installing the Sensi. -
Honeywell RTH6580WF:
The Honeywell RTH6580WF is a more budget-friendly Wi-Fi thermostat. It offers remote access and easy programming. Homeowners appreciate its simple installation and reliable performance. Though it lacks some advanced features of pricier models, it remains a popular choice for those needing essential functionalities at a lower cost.
Understanding these thermostat options can help homeowners choose the best fit for their oil heating systems based on their preferences and energy management goals.
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