
21029754 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $7.99 | Condition is Open box, Kidde C3010D Ten Year Sealed Carbon Monoxide Alarm w/ Digital Display Peak, shipping cost = $11.35 | 99.8% |
![]() | $18.99 | Top Pick! Condition is Open box, Kidde Carbon Monoxide Alarm Detector CO w/ Digital Display 2855 C3010D, FREE SHIPPING | 98.4% |
![]() | $19.20 | Condition is Open box, Kidde Carbon Monoxide Alarm C3010-D Ten Year Sealed Lithium Battery Digital , FREE SHIPPING | 99.1% |
![]() | $12.74 | Condition is Open box, Kidde C3010-D Digital Carbon Monoxide Alarm 10 Year Sealed Battery 120125B, shipping cost = $8.13 | 100.0% |
![]() | $23.99 | Condition is Open box, Kidde C3010-D Battery Operated Carbon Monoxide Alarm with Digital Display, FREE SHIPPING | 99.2% |
![]() | $16.50 | Condition is Open box, Kidde Carbon Monoxide Alarm C3010-D Ten Year Sealed Lithium Battery Digital , shipping cost = $8.50 | 99.2% |
![]() | $19.99 | Condition is Open box, Kidde C3010 Carbon Monoxide Alarm 10 Year Battery Digital Display Detector, shipping cost = $5.00 | 90.0% |
![]() | $24.98 | Condition is Open box, Kidde Carbon Monoxide Detector with Battery, Digital Display 3 LEDs, FREE SHIPPING | 99.6% |
![]() | $25.99 | Top Pick! Condition is Open box, Kidde Carbon Monoxide Alarm C3010-D Ten Year Sealed Lithium Battery Digital , FREE SHIPPING | 99.7% |
![]() | $20.99 | Condition is Open box, E-8. Kidde Carbon Monoxide Detector with Battery, Digital Display 3 LEDs, shipping cost = $6.37 | 99.8% |
![]() | $19.00 | Top Pick! Condition is Open box, Kidde Carbon Monoxide Alarm Digital Display Model C3010-D Open Box, shipping cost = $8.75 | 98.7% |
![]() | $19.99 | Top Pick! Condition is Open box, Kidde C3010-D Digital Carbon Monoxide Alarm 10 Year Sealed Battery New, shipping cost = $8.06 | 99.6% |
![]() | $19.99 | Condition is Open box, Kidde C3010-D Digital Carbon Monoxide Alarm 10 Year Sealed Battery Damaged Box, shipping cost = $9.14 | 100.0% |
![]() | $19.99 | Condition is Open box, Kidde carbon monoxide alarm C3010-D 751, shipping cost = $9.99 | 99.2% |
![]() | $28.49 | Condition is Open box, Kidde Carbon Monoxide Detector with Battery, Digital Display 3 LEDs, FREE SHIPPING | 99.7% |
![]() | $25.00 | Top Pick! Condition is Open box, Kidde Carbon Monoxide Alarm C3010-D Ten Year Sealed Lithium Battery Digital , shipping cost = $6.00 | 98.5% |
![]() | $31.49 | Condition is Open box, Kidde C3010D Carbon Monoxide Detector Battery Powered Digital Display Alarm, FREE SHIPPING | 99.4% |
![]() | $24.99 | Top Pick! Condition is Open box, Kidde Carbon Monoxide Alarm Digital Display Model C3010-D, shipping cost = $8.75 | 98.7% |
![]() | $29.99 | Condition is Open box, 2 Packs Kidde Carbon Monoxide Detector with 10-Year Battery, Digital , White, shipping cost = $7.42 | 99.8% |
![]() | $33.24 | Condition is Open box, Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, NOB, shipping cost = $9.42 | 99.8% |
![]() | $33.24 | Top Pick! Condition is Open box, Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, , shipping cost = $9.42 | 99.8% |
![]() | $39.99 | Condition is Open box, Kidde C3010-D Carbon Monoxide Alarm 2-Pack Digital Display 10-Year Sealed Batter, shipping cost = $9.14 | 100.0% |
![]() | $39.99 | Condition is Open box, Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display,, shipping cost = $9.14 | 98.7% |
![]() | $45.00 | Condition is Open box, 2 Kidde C3010-D Carbon Monoxide Detector Battery Operated Digital Display NEW, shipping cost = $9.35 | 94.3% |
![]() | $51.99 | Condition is Open box, Kidde carbon monoxide alarm C3010-D C3010 6 Pk - 748, shipping cost = $9.99 | 99.2% |
![]() | $79.99 | Top Pick! Condition is Open box, Kidde Carbon Monoxide Detector with 10-Year Battery,3 LEDs,2 Pack C3010-D, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.99 | Condition is New, Kidde Carbon Monoxide Alarm Detector CO w/ Digital Display 21032855 C3010-D, FREE SHIPPING | 99.7% |
![]() | $25.00 | Condition is New, Kidde C3010-D Battery Operated Carbon Monoxide Alarm with Digital Display, FREE SHIPPING | 98.7% |
![]() | $19.99 | Condition is New, Kidde C3010-D Carbon Monoxide Alarm 10 Year Battery Digital Display Detector, shipping cost = $7.83 | 99.9% |
![]() | $27.50 | Condition is New, Kidde C3010-D Carbon Monoxide Alarm 10 Year Battery Digital Display Detector, FREE SHIPPING | 99.4% |
![]() | $19.95 | Condition is New, Kidde Battery Operated Carbon Monoxide Alarm with Digital Display (C3010-D), shipping cost = $9.65 | 100.0% |
![]() | $22.99 | Condition is New, Kidde C3010D Carbon Monoxide Detector Digital Display, shipping cost = $6.58 | 99.1% |
![]() | $24.99 | Condition is New, NEW Kidde C3010 10 Year Worry-Free Carbon Monoxide Detector, shipping cost = $6.25 | ![]() |
![]() | $30.00 | Condition is New, New Sealed Carbon Monoxide Alarm Kidde C3010-D Digital Display 10 Years NIP WYZ, FREE SHIPPING | 99.9% |
![]() | $22.99 | Condition is New, Kidde Carbon Monoxide CO Alarm Digital Display 10 Year Battery C3010-D, shipping cost = $9.14 | 97.5% |
![]() | $22.99 | Condition is New, Kidde 10-Year Carbon Monoxide Alarm w/ Display C3010D **NEW SEALED**, shipping cost = $10.15 | 100.0% |
![]() | $23.85 | Condition is New, Kidde C3010-D Carbon Monoxide Alarm 10 Year Battery Digital Display Detector New, shipping cost = $9.80 | 99.0% |
![]() | $24.95 | Condition is New, New Sealed Carbon Monoxide Alarm Kidde C3010-D Digital Display 10 Years NIP, shipping cost = $8.95 | 100.0% |
![]() | $32.00 | Condition is New, Kidde C3010D 10-Year Carbon Monoxide Alarm w/ Display, FREE SHIPPING | 100.0% |
![]() | $23.99 | Condition is New, KIDDE CARBON MONOXIDE DETECTOR -- NEW IN ORIGINAL CLAMSHELL -- Model No. C3010D, shipping cost = $10.00 | 100.0% |
![]() | $25.49 | Condition is New, Kidde Carbon Monoxide Detector Digital Display Battery Operated White C3010-D, shipping cost = $8.06 | 100.0% |
![]() | $25.99 | Condition is New, Kidde C3010-D 10 Year Worry Free Sealed Lithium Battery Carbon Monoxide Alarm, shipping cost = $8.06 | 0.0% |
![]() | $25.00 | Condition is New, Kidde 10 Year Carbon Monoxide Alarm C3010-D New and SEALED M, shipping cost = $9.14 | 99.7% |
![]() | $21.67 | Condition is New, Kidde C3010-D-CA Single Station Carbon Monoxide Alarm New In Box, shipping cost = $14.44 | 100.0% |
![]() | $24.99 | Condition is New, Kidde 10 Year Worry-Free Sealed-In Lithium Battery Carbon Monoxide Detector New , shipping cost = $11.09 | ![]() |
![]() | $36.99 | Condition is New, Kidde C3010-D Carbon Monoxide Alarm 10 Year Battery Digital Display Detector, FREE SHIPPING | 100.0% |
![]() | $27.99 | Condition is New, Kidde C3010D 10-Year Carbon Monoxide Alarm w/ Display SEALED, shipping cost = $10.15 | 100.0% |
![]() | $28.98 | Condition is New, Kidde 21010047, C3010d Worry-Free Carbon Monoxide Alrm W/Digital Displ & Battery, shipping cost = $9.14 | 100.0% |
![]() | $29.99 | Condition is New, Kidde Carbon Monoxide Alarm 10 Year Battery Sealed Worry-Free CO Detector C3010, shipping cost = $8.60 | 100.0% |
![]() | $28.99 | Condition is New, Kidde 10 Year Carbon Monoxide Alarm C3010-D New and SEALED , shipping cost = $11.35 | 0.0% |
![]() | $29.40 | Top Pick! Condition is New, New Kidde Worry-Free Carbon Monoxide Detector Alarm with Digital Display #C3010D, shipping cost = $10.95 | 100.0% |
![]() | $29.95 | Top Pick! Condition is New, Kidde C3010-D Carbon Monoxide Alarm 10 Year Battery Digital Display Sealed, shipping cost = $10.15 | 99.8% |
![]() | $33.24 | Condition is New, Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, NEW, shipping cost = $9.42 | 99.8% |
![]() | $29.74 | Condition is New, Carbon Monoxide Alarm Kidde C3010-D. New. In Package. , shipping cost = $16.45 | 99.9% |
![]() | $34.99 | Condition is New, Kidde Battery Operated Carbon Monoxide Alarm with Digital Display Two (C3010-D), shipping cost = $11.35 | 97.8% |
![]() | $36.00 | Condition is New, Kidde Worry-Free Carbon Monoxide Alarm w/ Digital Display - C3010-D 21009720 NEW, shipping cost = $12.90 | 99.8% |
![]() | $40.00 | Condition is New, Kidde C3010-D Carbon Monoxide Alarm 10 Year Battery Digital Display Detector, shipping cost = $8.00 | 99.7% |
![]() | $49.95 | Condition is New, NEW Kidde C3010D Carbon Monoxide Detector with Digital Display, Lithium Battery, FREE SHIPPING | 99.4% |
![]() | $49.99 | Condition is New, 3 Kidde C3010-D Carbon Monoxide Alarm 10 Year Battery Digital Display Detector, FREE SHIPPING | 96.1% |
![]() | $41.00 | Top Pick! Condition is New, 2-Pack Kidde C3010-D Worry Free 10-Year Battery Carbon Monoxide Alarms Digital, shipping cost = $10.15 | 60.0% |
![]() | $41.60 | Condition is New, 2-Pack Kidde C3010-D Worry Free 10-Year Battery Carbon Monoxide Alarms Digital, shipping cost = $10.00 | ![]() |
![]() | $64.62 | Condition is New, Kidde Carbon Monoxide Detector with 10-Year Battery, Digital 1 pack, White , FREE SHIPPING | 97.9% |
![]() | $59.99 | Condition is New, KIDDE CARBON MONOXIDE ALARM DIGITAL C3010-D SEALED LITHIUM BATTERY NEW LOT X3, shipping cost = $8.99 | 100.0% |
![]() | $59.99 | Condition is New, 2-Pack Kidde C3010-D Worry Free 10-Year Battery Carbon Monoxide Alarms Digital, shipping cost = $15.10 | 100.0% |
![]() | $86.25 | Condition is New, Kidde Carbon Monoxide Detector, 10-Year Battery Powered, 1 Pack, White , FREE SHIPPING | 98.8% |
![]() | $88.28 | Condition is New, Kidde Carbon Monoxide Detector with 10-Year Battery, Digital 1 pack, White , FREE SHIPPING | 98.9% |
![]() | $80.00 | Condition is New, Kidde C3010-D Worry Free 10-Year Battery Operated Digital Carbon Monoxide Alarms, shipping cost = $11.95 | 100.0% |
![]() | $92.69 | Top Pick! Condition is New, Kidde Carbon Monoxide Detector, 10-Year Battery Powered, 1 Pack, White, FREE SHIPPING | 99.2% |
![]() | $92.69 | Condition is New, Kidde Carbon Monoxide Detector C3010D - 10- Battery & Peak Level Memory, FREE SHIPPING | 98.8% |
![]() | $125.61 | Condition is New, Kidde C3010D CO Alarm w/ Digital Display & 10 Yr Sealed Battery, FREE SHIPPING | ![]() |
![]() | $169.99 | Condition is New, Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, 3 LEDs, Re, FREE SHIPPING | 92.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $18.89 | Condition is Used, Kidde C3010D Carbon Monoxide Detector with Digital Display Replacement Unit Only, FREE SHIPPING | 99.2% |
![]() | $17.95 | Condition is Used, Kidde C3010-D Carbon Monoxide Alarm - w/ Screen - Battery Powered Working, shipping cost = $5.95 | ![]() |
![]() | $13.99 | Condition is Used, Kidde C3010D Carbon Monoxide Detector Digital Display, shipping cost = $11.35 | 100.0% |
![]() | $14.96 | Condition is Used, Kidde C3010D Worry-Free Carbon Monoxide Alarm Digital Display USED, shipping cost = $10.00 | 99.4% |
![]() | $19.85 | Condition is Used, Kidde C3010-D Carbon Monoxide Alarm - w/ Screen - Battery Powered working, shipping cost = $10.95 | 100.0% |
![]() | $20.00 | Condition is Used, Kidde C3010D 10 Year Sealed Battery Carbon Monoxide Alarm w/Display, shipping cost = $13.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $98.31 | Condition is , KIDDE C3010-D CO2 Alarm,3V,Alkaline,Electrochemical 40H497, FREE SHIPPING | ![]() |

Introducing the Kidde 21029754 Protect Using Electrochemical Sensor Technology, a state-of-the-art Invisible Carbon Monoxide (CO) Detector designed to keep your family safe from the hidden dangers of CO gas. This compact and sleek detector, measuring only 1.5 inches in depth, is virtually invisible when mounted on the wall, allowing it to blend seamlessly into your home's d cor.
The Kidde Protect CO Detector utilizes advanced Electrochemical Sensor Technology, which continuously monitors the ambient air for CO gas concentration levels. It features a digital display screen that shows the CO level in parts per million (ppm) and provides an easy-to-understand warning system with four levels of alerts: alert (5-20 ppm), warning (20-40 ppm), danger (40-70 ppm), and emergency (above 70 ppm). When the detector senses CO gas, it will emit an alarm, alerting you and your family to take immediate action.
This Kidde CO Detector comes equipped with a tamper resistant test/reset button that ensures the device is functioning correctly. With a battery life of approximately 5 years, it offers long-lasting peace of mind and requires minimal maintenance. Additionally, the detector includes a low battery warning, providing ample notice before the batteries need to be replaced.
Designed for versatility, the Kidde Protect Invisible CO Detector can be installed on walls or ceilings, depending on your preference and location. It is UL 2034 Listed and meets the requirements of the U.S. Consumer Product Safety Commission (CPSC) and the National Fire Protection Association (NFPA). The Kidde Protect CO Detector is an essential addition to your home safety system, ensuring the protection of your loved ones from the risks of CO gas.
A Detailed Analysis of the Kidde 21029754 Protect Family Invisible Carbon Monoxide Detector
The Kidde 21029754 Protect Family Invisible Carbon Monoxide (CO) Detector is a popular choice for homeowners seeking to enhance their safety against CO gas leaks. This section aims to provide you with a comprehensive analysis of this product, including its key features, advantages, and disadvantages.
Features:1. Sleek, invisible design: The CO detector can be installed on walls or ceilings, and its white, unobtrusive design blends seamlessly with the home d cor.
2. Digital display: The digital display shows the CO level in parts per million (ppm) for easy reading and understanding.
3. Test and reset button: The test and reset button allows users to test the unit and silence false alarms.
4. Battery-operated: The device operates on a 9V battery, ensuring continued functionality during power outages.
5. End-of-life indicator: The CO detector notifies users when it's time to replace the battery or the entire unit.
Advantages:1. Enhanced safety: The Kidde 21029754 CO Detector provides an early warning system against harmful CO gas leaks, ensuring the safety of family members and pets.
2. Invisible design: The sleek, unobtrusive design allows the CO detector to blend seamlessly with the home d cor, making it an attractive and discreet addition to any room.
3. Digital display: The digital display enables users to monitor CO levels in real-time, offering peace of mind and convenience.
4. Battery-operated: The battery-powered feature ensures continued functionality during power outages.
Disadvantages:1. Higher cost: Compared to other CO detectors, the Kidde 21029754 Protect Family Invisible CO Detector may be more expensive.
2. Requires professional installation: Although the unit is easy to use, professional installation is recommended for optimal safety and functionality.
Conclusion:The Kidde 21029754 Protect Family Invisible Carbon Monoxide Detector is an excellent investment for homeowners who prioritize safety and value a discreet design. Its digital display, battery-operated feature, and early warning system provide peace of mind and added convenience. However, its higher cost and the requirement for professional installation may be drawbacks for some potential buyers. Ultimately, the decision to purchase this CO detector depends on individual preferences, budget, and safety priorities.
Recommendation:If you are looking for a reliable, discreet, and advanced CO detector for your home, the Kidde 21029754 Protect Family Invisible Carbon Monoxide Detector is an excellent choice. Its sleek design, digital display, battery-operated feature, and early warning system make it a worthwhile investment for ensuring the safety of your family and pets. However, be prepared for the higher cost and the need for professional installation.
Details:
Kidde carbon monoxide detector, 10-year battery powered, digital display, led status indicators, 85 db alarm, 3rd edition: sensor technology detects co gas sounds an 85-decibel alarm. Easy installation, no wiring needed: operates on a 10-year lithium battery, so it never needs replacing, plus detects during power failure. Peak level memory records the last time carbon monoxide was detected or when unit tested. 3 leds indicate: green normal operation, red carbon monoxide presence sounded with an 85-decibel alarm, amber replace the detector.
Test-hush button makes it easy to test the carbon monoxide detector or temporarily silence low battery chirp warning. Conveniently designed portable: simple to install on a wall of your home or place tabletop. Digital display updates every 15 seconds displays the level of co presence.
specifications mersmallets:
- brand: Kidde
- mpn: 21029754
- model: C3010d
- type: Portable
- size: 1 Pack
- color: White
- material: Other
- power source: Battery Powered
- features: Standard
- insect repellent treated: No
- upc: 047871297542
returns mersmallet's:
- time: 30 days
- policy: returns accepted
- method: money back
- paid by: seller
offer mersmallet's:
- availability: in stock
- started: may 4, 2026
- prices: $7.99–$169.99
- item condition:
- Open box
- New
- Used
- in stock #: 5
- best offers: true
- sold #: 8
- options: ship-to-home
general mersmallets:
- category: Home & Garden > Workshop Equipment > Hand Tools > Hammers Mallets
payments mersmallet's:
- credit card: diners-club
- wallet: paypal
- other
seller mersmallet's:
- rating: 99.3%
- city: phoenix, arizona
- # reviews: 1664
shipping mersmallet's:
- transit: 3-4 days
- class: expedited
- carrier: fedex
- service: fedex 2day
- type: fixed
Related To:
- 21033886: DETECTOR BATTERY ALARM, Kidde














































































