Shop Rely RealAlerts
Shop Rely Essentials
Shop Carbon Monoxide Alarms
The Rely Safety team brings decades of life safety expertise, delivering trusted technology to homes and businesses across the U.S. Because home safety shouldn’t be confusing, we design intuitive alarms with clear voice and visual alerts—so families can act quickly and confidently when it matters most.
When it comes to Carbon Monoxide, you can’t see it, smell it, or taste it. That’s why the Rely 6200 is engineered to be your "always-on" guardian. Whether you are sleeping in a second-story bedroom or working in the basement near a gas furnace, our advanced sensor technology monitors the air with precision. While other alarms only chirp when there is a crisis, our digital display gives you the power of information. It tracks current and peak CO levels, letting you know if there have been slow leaks that might otherwise go unnoticed. We understand that safety shouldn't be complicated. The Rely 6200 solves the most common complaint with CO detectors: battery anxiety. By using a primary plug-in source with an AA-battery backup, we ensure that your protection is never interrupted by a dead battery or a localized power failure. From compliance with safety regulations to providing a portable safety solution for your next vacation, the Rely 6200 is more than a sensor—it’s an investment in your family’s security. Perfect for homes with gas stoves, fireplaces, or attached garages. Don't just detect; Rely on the best.
Rely Essentials Products
 Rely Essentials 6200 |  Rely Essentials 6000 |  Rely Essentials 5500 |  Rely Essentials 4500 |  Rely Essentials 5300 |  Rely Essentials 5400 |  Rely Essentials 5600 | |
|---|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — | — |
Price | — | — | — | — | — | — | — |
Detection Type | Carbon Monoxide | Carbon Monoxide | Smoke | Smoke | Smoke & Carbon Monoxide | Smoke | Smoke & Carbon Monoxide |
Size | 6”H x 2”W | 5 ¼ " W x 3" H | 4” Diameter | 4” Diameter | 6” Diameter | 6” Diameter | 6” Diameter |
Power Source | 120V Plug-In, Battery Backup | 2 AA Batteries, Included | 10-Year Built-In Battery | 9V Battery, Included | 9V Battery, Included | Hardwired, 9V Battery Backup | Hardwired, 9V Battery Backup |
UL Standard | UL 2034 | UL 2034 | UL 217 9th Edition | UL 217 9th Edition | UL 217 9th Edition & UL 2034 | UL 217 9th Edition | UL 217 9th Edition & UL 2034 |
Meets US Safety Standards | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Shop Rely RealAlerts
Shop Rely Essentials
Shop Carbon Monoxide Alarms
The Rely Safety team brings decades of life safety expertise, delivering trusted technology to homes and businesses across the U.S. Because home safety shouldn’t be confusing, we design intuitive alarms with clear voice and visual alerts—so families can act quickly and confidently when it matters most.
When it comes to Carbon Monoxide, you can’t see it, smell it, or taste it. That’s why the Rely 6200 is engineered to be your "always-on" guardian. Whether you are sleeping in a second-story bedroom or working in the basement near a gas furnace, our advanced sensor technology monitors the air with precision. While other alarms only chirp when there is a crisis, our digital display gives you the power of information. It tracks current and peak CO levels, letting you know if there have been slow leaks that might otherwise go unnoticed. We understand that safety shouldn't be complicated. The Rely 6200 solves the most common complaint with CO detectors: battery anxiety. By using a primary plug-in source with an AA-battery backup, we ensure that your protection is never interrupted by a dead battery or a localized power failure. From compliance with safety regulations to providing a portable safety solution for your next vacation, the Rely 6200 is more than a sensor—it’s an investment in your family’s security. Perfect for homes with gas stoves, fireplaces, or attached garages. Don't just detect; Rely on the best.
Rely Essentials Products
Rely Essentials 6200 | Rely Essentials 6000 | Rely Essentials 5500 | Rely Essentials 4500 | Rely Essentials 5300 | Rely Essentials 5400 | Rely Essentials 5600 |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Detection Type | ||||||
| Carbon Monoxide | Carbon Monoxide | Smoke | Smoke | Smoke & Carbon Monoxide | Smoke | Smoke & Carbon Monoxide |
| Size | ||||||
| 6”H x 2”W | 5 ¼ " W x 3" H | 4” Diameter | 4” Diameter | 6” Diameter | 6” Diameter | 6” Diameter |
| Power Source | ||||||
| 120V Plug-In, Battery Backup | 2 AA Batteries, Included | 10-Year Built-In Battery | 9V Battery, Included | 9V Battery, Included | Hardwired, 9V Battery Backup | Hardwired, 9V Battery Backup |
| UL Standard | ||||||
| UL 2034 | UL 2034 | UL 217 9th Edition | UL 217 9th Edition | UL 217 9th Edition & UL 2034 | UL 217 9th Edition | UL 217 9th Edition & UL 2034 |
| Meets US Safety Standards | ||||||
| Yes | Yes | Yes | Yes | Yes | Yes | Yes |