Looking for the best RV carbon monoxide detectors? We’ve tested and reviewed the top 10 models to help you stay safe on the road.
RV safety is a top priority for travelers. Carbon monoxide (CO) and propane leaks are silent dangers that can threaten your well-being on the road. That’s why having a reliable RV carbon monoxide detector is essential for peace of mind.
We’ve tested and reviewed the best RV carbon monoxide detectors to help you choose the right one. From dual CO/propane alarms to easy-install models, our guide ensures you stay safe during your adventures. Discover the perfect detector to protect your family and pets while traveling.
List of Top 10 RV Carbon Monoxide Detectors
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VITITE RV Carbon Monoxide & Propane Detector, Replacement for Old RV Gas Detector #31011, 2 in 1 Dual CO/LP Gas Alarm, Hardwired – VDC 12V, Flush Mount, Black |
RV travelers who need safe cooking and nighttime protection from gas leaks will find this detector essential. Perfect for those replacing outdated models like #31011, it offers easy installation, a clear digital display, and 60-month worry-free use. |
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FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features |
This carbon monoxide alarm is perfect for homeowners, renters, and families needing reliable CO protection without wiring. Its easy installation, tamper-resistant design, and silence features suit busy households or job sites. |
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Safe T Alert – Dual LP/CO Alarm – Flush Mount Black – 35-742-BL |
This Safe T Alert Dual LP/CO Alarm is perfect for RV owners who want reliable safety. It’s easy to install and works in all types of RVs, keeping you protected from propane and carbon monoxide dangers. |
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RV Carbon Monoxide & Propane Gas Alarm, Briidea Dual LP/CO Detector with Separate LED Indicator Light, 100dB Loud Alarm, 12 VDC, Black |
This dual gas alarm is perfect for RV travelers using propane appliances or fuel-powered devices. It gives early warnings for carbon monoxide and propane leaks, with clear LED lights and a loud 100dB alarm to keep you safe. |
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RV Dual LP/CO Alarm, RV Carbon Monoxide & Propane Detector, Hardwired-12V DC with 3 Different Brackets for Motorhome Travel Trailer, Motor Coach, Truck Camper (R502 Black) |
This RV Dual LP/CO Alarm is perfect for RV owners, motorhome travelers, and truck camper users who need reliable safety from carbon monoxide and propane leaks. It offers easy installation, loud alerts, and compatibility with most setups, making it ideal for anyone prioritizing safety and simplicity on the road. |
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Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable |
This Kidde Carbon Monoxide Detector is perfect for anyone who wants peace of mind in their home. It’s easy to install and works anywhere, making it ideal for families or anyone who values safety. |
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RV Carbon Monoxide & Propane Gas Alarm, Briidea Dual LP/CO Alarm with Separate LED Indicator Light, 100dB Loud Alert, Flush Mount, Compatible Replacement for Safe-T-Alert 30-442 Series |
Perfect for RV travelers who need 24/7 protection from hidden gas leaks. This alarm gives instant alerts for propane or carbon monoxide with 100dB sound and clear LED lights, keeping you safe while saving space in your RV. |
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RV Carbon Monoxide and Propane Detector, Replace The Old RV Gas Detector #31011,2 in 1 Dual CO/LP Gas Alarm,100dB Loud Alarm,12V DC for Motorhome Travel Trailer, Motor Coach (R503 Flush Mount-Black) |
This RV Carbon Monoxide and Propane Detector is perfect for RV owners who want peace of mind while traveling. It’s easy to install and replaces old detectors, keeping you safe from gas leaks and carbon monoxide. |
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Carbon Monoxide Detector, 4 in 1 RV Carbon Monoxide & Propane Gas Detector, 12V DC Supply & HD Colorful Display & 360° Rotatable Screen, CO/LPG Gas Leak Alarm for RV, Motorhome, Camper, Trailer, Black |
RV owners and travelers needing reliable gas safety will love this 4-in-1 CO & propane detector. It works with 12V RV power, shows real-time gas levels on a clear screen, and alerts with loud sound and bright light if danger strikes. |
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Nuleto RV Dual LP/CO Alarm,RV Carbon Monoxide & Propane Gas Detector with Separate LED Indicator Light, Early Warning to Ensure RV Camping Safety Travel (with 1 Bracket), Black |
RV owners and campers who want simple, reliable safety will love this alarm. It detects dangerous gases fast, installs easily, and gives clear digital alerts to keep trips worry-free. |
Detailed Reviews
Finding the best RV carbon monoxide detectors means prioritizing safety without sacrificing ease of use. Our top picks deliver 2-in-1 dual protection, 100dB alarms, and ultra-sensitive sensors to guard against CO and propane leaks. Each detector is easy to install, hardwired for reliability, and designed for RV-specific needs like low-voltage alerts. Trust these customer-approved, expert-tested picks to keep your travels worry-free—explore the list to find your perfect match.
1. VITITE RV Carbon Monoxide & Propane Detector, Replacement for Old RV Gas Detector #31011, 2 in 1 Dual CO/LP Gas Alarm, Hardwired – VDC 12V, Flush Mount, Black

The VITITE RV Carbon Monoxide & Propane Detector is a 2-in-1 alarm that keeps your RV safe. It monitors CO and propane levels, ensuring safe cooking and sleeping during your travels.
Easy to install, it replaces old detectors with no wiring needed. Fast alerts and a clear digital display give you peace of mind.
| Pros | Cons |
|---|---|
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Perfect For:
RV travelers who need safe cooking and nighttime protection from gas leaks will find this detector essential. Perfect for those replacing outdated models like #31011, it offers easy installation, a clear digital display, and 60-month worry-free use.
Ready to Purchase?
2. FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features

This carbon monoxide alarm uses the most accurate electrochemical sensor for safety. It comes with a 9V battery and all hardware for easy setup.
The two silence features stop both alarm sounds and low-battery chirps. A tamper-resistant lock keeps the battery secure. An end-of-life signal alerts when it’s time to replace the unit.
| Pros | Cons |
|---|---|
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Perfect For:
This carbon monoxide alarm is perfect for homeowners, renters, and families needing reliable CO protection without wiring. Its easy installation, tamper-resistant design, and silence features suit busy households or job sites.
Ready to Purchase?
3. Safe T Alert – Dual LP/CO Alarm – Flush Mount Black – 35-742-BL

Safe T Alert Dual LP/CO Alarm offers dual protection in one sleek unit. It detects propane gas and carbon monoxide to keep RVs safe.
Easy RV Upgrade: Fits Class A, B, C motorhomes and trailers. Flush mount design replaces old alarms fast—no wiring needed. Works as a direct replacement for popular models.
12V Powered: No batteries required—runs on 12V DC. Includes low voltage warning and energy-saving tech. Advanced Safety Features include a mute button, fast recovery, and self-reset.
| Pros | Cons |
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Perfect For:
This Safe T Alert Dual LP/CO Alarm is perfect for RV owners who want reliable safety. It’s easy to install and works in all types of RVs, keeping you protected from propane and carbon monoxide dangers.
Ready to Purchase?
4. RV Carbon Monoxide & Propane Gas Alarm, Briidea Dual LP/CO Detector with Separate LED Indicator Light, 100dB Loud Alarm, 12 VDC, Black

The RV Carbon Monoxide & Propane Gas Alarm is a 2-in-1 alarm that warns of carbon monoxide and propane leaks. It has separate LED indicators—red for propane, green for CO—to show gas levels clearly. The 100dB loud alarm sounds fast if danger is near, giving you time to act.
This alarm uses UL listed sensors from Japan for accurate gas detection and fewer false alarms. It works on 12 VDC power and has low voltage protection to stay reliable. Install it easily 4–20 inches off the floor, no expert help needed.
It lasts 5 years and lights up when it’s time to replace it. A must-have for RVs, it keeps you safe while traveling with smart alerts and simple upkeep.
| Pros | Cons |
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Perfect For:
This dual gas alarm is perfect for RV travelers using propane appliances or fuel-powered devices. It gives early warnings for carbon monoxide and propane leaks, with clear LED lights and a loud 100dB alarm to keep you safe.
Ready to Purchase?
5. RV Dual LP/CO Alarm, RV Carbon Monoxide & Propane Detector, Hardwired-12V DC with 3 Different Brackets for Motorhome Travel Trailer, Motor Coach, Truck Camper (R502 Black)

The RV Dual LP/CO Alarm is a 2-in-1 detector for carbon monoxide and propane gas. It’s designed for RVs, keeping you safe in motorhomes, trailers, and campers. The highly sensitive sensors ensure early detection of leaks.
It’s easy to install with a lever-nut connector that saves wiring time. The 12V DC power works well in RVs. The LED display shows gas levels clearly, and the 85-decibel alarm warns of danger.
You get three brackets for flexible mounting and compatibility with older models. The lifetime warranty and technical support give you peace of mind. Stay safe on the road with this reliable detector.
| Pros | Cons |
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Perfect For:
This RV Dual LP/CO Alarm is perfect for RV owners, motorhome travelers, and truck camper users who need reliable safety from carbon monoxide and propane leaks. It offers easy installation, loud alerts, and compatibility with most setups, making it ideal for anyone prioritizing safety and simplicity on the road.
Ready to Purchase?
6. Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

The Kidde Carbon Monoxide Detector uses electrochemical sensor technology to alert you to CO gas. It runs on 2 AA batteries (included) and installs easily on walls or tables—no wiring needed. A green LED shows power status, while a red LED and 85-decibel alarm signal CO presence.
The event memory logs the last CO detection or test time for easy tracking. A low battery indicator ensures you know when to replace batteries.
| Pros | Cons |
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Perfect For:
This Kidde Carbon Monoxide Detector is perfect for anyone who wants peace of mind in their home. It’s easy to install and works anywhere, making it ideal for families or anyone who values safety.
Ready to Purchase?
7. RV Carbon Monoxide & Propane Gas Alarm, Briidea Dual LP/CO Alarm with Separate LED Indicator Light, 100dB Loud Alert, Flush Mount, Compatible Replacement for Safe-T-Alert 30-442 Series

The Briidea Dual LP/CO Alarm is a 2-in-1 safety device for your RV. It detects carbon monoxide and propane gas, keeping you and your family safe. This alarm is a compatible replacement for the Safe-T-Alert 30-442 Series.
It has separate LED indicator lights for each gas, making it easy to check the status. The Japanese Figaro sensors ensure accurate detection and fewer false alarms.
With a 100dB loud alert, you’ll hear the warning clearly. Its flush-mount design saves space and looks great in your RV. This alarm is a must-have for worry-free travels.
| Pros | Cons |
|---|---|
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Perfect For:
Perfect for RV travelers who need 24/7 protection from hidden gas leaks. This alarm gives instant alerts for propane or carbon monoxide with 100dB sound and clear LED lights, keeping you safe while saving space in your RV.
Ready to Purchase?
8. RV Carbon Monoxide and Propane Detector, Replace The Old RV Gas Detector #31011,2 in 1 Dual CO/LP Gas Alarm,100dB Loud Alarm,12V DC for Motorhome Travel Trailer, Motor Coach (R503 Flush Mount-Black)

This RV Carbon Monoxide and Propane Detector is a 2 in 1 alarm. It uses two sensors to spot dangerous carbon monoxide and propane leaks. The 100dB alarm and LED display warn you fast if gas is present.
It works with 12V DC power and fits most RVs. Wide voltage range (9–24V) ensures reliability. Easy installation matches old #31011 models with no wiring or tape needed.
The package includes a flush mount bracket and lever-nut connector. A lifetime warranty and support from gas experts back it up. Trust it to keep your RV safe from gas risks.
| Pros | Cons |
|---|---|
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Perfect For:
This RV Carbon Monoxide and Propane Detector is perfect for RV owners who want peace of mind while traveling. It’s easy to install and replaces old detectors, keeping you safe from gas leaks and carbon monoxide.
Ready to Purchase?
9. Carbon Monoxide Detector, 4 in 1 RV Carbon Monoxide & Propane Gas Detector, 12V DC Supply & HD Colorful Display & 360° Rotatable Screen, CO/LPG Gas Leak Alarm for RV, Motorhome, Camper, Trailer, Black

Stay safe with the 4-in-1 Carbon Monoxide & Propane Gas Detector. It monitors CO, propane, temperature, and humidity in real time. Perfect for RVs, motorhomes, and campers.
Easy to install with 12V DC hardwired supply. No complex rewiring needed. HD colorful screen shows real-time gas levels and rotates 360° for easy reading.
Protects your family and pets from silent gas threats. Acts as a 24/7 guardian, giving you peace of mind during travel. Enjoy your journey with total confidence.
| Pros | Cons |
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Perfect For:
RV owners and travelers needing reliable gas safety will love this 4-in-1 CO & propane detector. It works with 12V RV power, shows real-time gas levels on a clear screen, and alerts with loud sound and bright light if danger strikes.
Ready to Purchase?
10. Nuleto RV Dual LP/CO Alarm,RV Carbon Monoxide & Propane Gas Detector with Separate LED Indicator Light, Early Warning to Ensure RV Camping Safety Travel (with 1 Bracket), Black

The Nuleto RV Dual LP/CO Alarm is a 2-in-1 gas detector that warns of both propane and carbon monoxide leaks. It has separate LED indicators and a digital display to show gas levels fast, giving you time to act.
This alarm uses UL Listed high-sensitivity sensors for accurate detection. Easy installation with lever nuts needs no wiring, and a 12V power setup starts it in seconds. Separate LED indicators and a bracket included make it simple to mount and use.
| Pros | Cons |
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Perfect For:
RV owners and campers who want simple, reliable safety will love this alarm. It detects dangerous gases fast, installs easily, and gives clear digital alerts to keep trips worry-free.
Ready to Purchase?
Buying Guide
RV travel should be fun, not stressful. A good carbon monoxide detector keeps your trip safe by spotting hidden gas leaks fast.
- Detection Type: Dual CO/propane detectors offer full protection in one unit. Single CO detectors are cheaper but miss propane risks.
- Power Source: Hardwired 12V models suit most RVs and avoid battery swaps. Battery-powered options work anywhere but need regular upkeep.
- Installation Ease: Flush-mount designs fit existing cutouts, saving time. Look for lever-nut connectors or no-wiring upgrades for quick setup.
- Alarm Volume: Loud alarms (100dB or higher) ensure warnings cut through noise. Clear LED indicators show gas type at a glance.
- Sensor Quality: Electrochemical sensors give precise CO readings. UL-listed sensors reduce false alarms and boost trust.
- Display Features: Digital screens show gas levels and low-voltage alerts. Rotatable displays help with visibility in tight spots.
- Warranty & Support: Lifetime warranties and tech help add peace of mind. Check for direct replacements for older models to avoid compatibility issues.
Pick a detector that matches your RV’s setup and travel habits. Stay alert, stay safe, and enjoy the journey worry-free.