10 Best RV CO2 and Propane Detector Replacement in 2026
Updated on
April 2026
#1
Best Choice
23% Off
- 2-in-1 alarm system provides early warnings for carbon monoxide and propane gas threats, enhancing safety during RV travel.
- Separate LED indicator lights show current gas detection status for both propane (green) and carbon monoxide (red), aiding in safety decisions.
- UL Listed LP/CO sensors utilize Japanese Figaro technology for accurate detection, minimizing false alarms and ensuring reliable safety.
- Alarm emits a loud sound exceeding 100 decibels when gas levels become unsafe, with an effective range of 100 feet, plus a test and mute feature for convenience.
- Easy installation at a height of 4 to 20 inches, with a 5-year lifespan and indicator light to signal when replacement is needed.
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- 2-in-1 alarm system provides early warnings for carbon monoxide and propane gas threats, enhancing safety during RV travel.
- Separate LED indicator lights show current gas detection status for both propane (green) and carbon monoxide (red), aiding in safety decisions.
- UL Listed LP/CO sensors utilize Japanese Figaro technology for accurate detection, minimizing false alarms and ensuring reliable safety.
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#2
Best Value
15% Off
- Monitors carbon monoxide and propane levels in RVs, enhancing safety during cooking and sleeping, especially at night.
- Compatible replacement for RV Detector #31011 with easy installation; no tape or wiring required, suitable for standard wall cutouts.
- Detects gas leaks rapidly, with a response time of 0.5-2 seconds; features a digital display for easy reading of concentration levels and an 85dB alarm for alerts.
- Offers 60 months of support, including free repair or replacement for issues within the warranty period; responsive customer service typically within 24 hours.
- Includes essential components: RV gas detector, installation connectors, screws, user manual, and lifetime expert support.
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- Monitors carbon monoxide and propane levels in RVs, enhancing safety during cooking and sleeping, especially at night.
- Compatible replacement for RV Detector #31011 with easy installation; no tape or wiring required, suitable for standard wall cutouts.
- Detects gas leaks rapidly, with a response time of 0.5-2 seconds; features a digital display for easy reading of concentration levels and an 85dB alarm for alerts.
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#3
5% Off
- Dual-sensor technology for detecting carbon monoxide and propane gas in RVs.
- Compatible with a wide voltage range of 12V DC +/-20%, complying with UL safety standards.
- Features a digital LED display indicating gas levels, along with a loud 100 decibel alarm for safety.
- Easy installation with precise dimensions for wall cutouts and compatible screw hole spacing, eliminating the need for tape or wiring.
- Includes the detector, mounting bracket, lever-nut connector, user manual, and screws for complete setup.
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- Dual-sensor technology for detecting carbon monoxide and propane gas in RVs.
- Compatible with a wide voltage range of 12V DC +/-20%, complying with UL safety standards.
- Features a digital LED display indicating gas levels, along with a loud 100 decibel alarm for safety.
- Easy installation with precise dimensions for wall cutouts and compatible screw hole spacing, eliminating the need for tape or wiring.
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#4
26% Off
- Dual sensor technology for detecting carbon monoxide and propane gas in RVs.
- User-friendly installation with a lever-nut connector, minimizing wiring time and complexity.
- Digital LED display indicates gas levels, paired with a loud 85 dB alarm for timely alerts.
- Compatible with various mounting options, including three bracket types for easy replacement.
- Includes all necessary components: detector unit, mounting brackets, lever-nut connector, user manual, and screws.
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- Dual sensor technology for detecting carbon monoxide and propane gas in RVs.
- User-friendly installation with a lever-nut connector, minimizing wiring time and complexity.
- Digital LED display indicates gas levels, paired with a loud 85 dB alarm for timely alerts.
- Compatible with various mounting options, including three bracket types for easy replacement.
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#5
16% Off
- 2-Wire Propane Gas Alarm
- Surface mounting capability
- Includes two universal mounting brackets for easy installation
- 5-year lifespan
- Meets UL 1484 and 2034 standards
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- 2-Wire Propane Gas Alarm
- Surface mounting capability
- Includes two universal mounting brackets for easy installation
- 5-year lifespan
- Meets UL 1484 and 2034 standards
#6
- Detects propane gas leaks in RVs, motorhomes, and similar applications; does not detect carbon monoxide.
- High-quality semiconductor sensor provides real-time gas concentration levels and an 85 dB alarm for early warning.
- Simplified installation with a lever-nut connector, reducing wiring time compared to traditional methods; operates within a 12V DC +/-20% voltage range and meets UL1484 safety standards.
- Compatible with various models, featuring three different brackets and screw hole distances that fit other brands.
- Includes R501 propane gas detector, multiple mounting brackets, lever-nut connector, user manual, and all necessary screws for installation.
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- Detects propane gas leaks in RVs, motorhomes, and similar applications; does not detect carbon monoxide.
- High-quality semiconductor sensor provides real-time gas concentration levels and an 85 dB alarm for early warning.
- Simplified installation with a lever-nut connector, reducing wiring time compared to traditional methods; operates within a 12V DC +/-20% voltage range and meets UL1484 safety standards.
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#7
30% Off
- Essential carbon monoxide and propane detector for RV owners, providing continuous monitoring for safety.
- Dual alarm system activates at carbon monoxide levels exceeding 150 PPM or propane at 5 LEL%, alerting users to potential dangers.
- Features separate LED indicator lights for each gas, with a real-time LCD screen displaying gas levels for informed decision-making.
- Emits a loud 85 dB alarm and flashing red light when dangerous gas levels are detected, with a convenient test button for regular checks.
- Designed for easy installation with options for nut-based or adhesive installation, suitable for 12V DC power supply, and a 5-year lifespan.
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- Essential carbon monoxide and propane detector for RV owners, providing continuous monitoring for safety.
- Dual alarm system activates at carbon monoxide levels exceeding 150 PPM or propane at 5 LEL%, alerting users to potential dangers.
- Features separate LED indicator lights for each gas, with a real-time LCD screen displaying gas levels for informed decision-making.
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#8
10% Off
- 2-in-1 alarm for monitoring carbon monoxide and propane levels in RVs, particularly useful during nighttime and cooking.
- Compatible replacement for old RV Detector #31011; easy installation with lever nut connectors, no tape or wiring needed and clear cutout dimensions provided.
- Digital display provides quick response (0.5-2 seconds) to gas detection, shows leak concentration, and features an 85dB alarm for alerts.
- Enjoy a worry-free usage period of 60 months with support services; quick response for any issues with free repair or replacement.
- Includes RV gas detector, installation connectors, screws, user manual, and access to lifetime support from gas experts.
Read More
- 2-in-1 alarm for monitoring carbon monoxide and propane levels in RVs, particularly useful during nighttime and cooking.
- Compatible replacement for old RV Detector #31011; easy installation with lever nut connectors, no tape or wiring needed and clear cutout dimensions provided.
- Digital display provides quick response (0.5-2 seconds) to gas detection, shows leak concentration, and features an 85dB alarm for alerts.
Read More
#9
- This and detector is suitable for use in recreational vehicles
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- This and detector is suitable for use in recreational vehicles
#10
- This and detector is suitable for use in recreational vehicles
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- This and detector is suitable for use in recreational vehicles
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How We Estimate & Rank
We make shopping simple by hand-picking the top 10 RV CO2 and Propane Detector Replacement just for you. Our team focuses on what’s available right now, what’s popular with other shoppers, and, most importantly, what’s most relevant to your search. We cover leading brands such as briidea, VITITE, Leakbee, RV SAFE, funomo, and other trusted names in this category. By filtering out the noise, we ensure you only see high-quality options that actually meet your needs. It’s all the best finds, minus the endless scrolling!
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PRODUCTS SCANNED & ANALYZED
Final Recommendations
We’ve selected three standout options to make your choice easier.
BEST OVERALL
Our overall winner is RV Carbon Monoxide & Propane Gas Alarm by briidea, earning top marks for its balanced combination of quality, performance, and price.
BEST VALUE
The best value for most shoppers is VITITE RV Carbon Monoxide & Propane Detector by VITITE, earning consistently positive feedback for its performance and accessible pricing.
BEST DEAL
The best deal available right now for Gas Detectors & Alarms is Funomo RV Carbon Monoxide & Propane Gas Detector by funomo, now offered at 30% off.
