Smoke & Heat Detectors Frequently Asked Questions

Will a Smoke Detector Detect Heat?
Not all smoke detectors are designed to detect the presence of high heat. These sensors will only detect high heat if that is a specific function of the device. Otherwise, a smoke detector will only detect smoke, and nothing more. Learn more about smoke detectors and their functionality.
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Conventional vs Monitored Smoke Detectors
Both conventional smoke detectors and monitored smoke detectors are life-safety devices that activate upon detecting smoke. But only a monitored smoke detector can contact a central station for help. A conventional smoke detector is just a noise-making device. Learn more about smoke detectors.
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Honeywell 5800COMBO vs 5808W3
The 5800COMBO and the 5808W3 are both life-safety devices from Honeywell. They communicate at the same frequency, and they are compatible with the same alarm systems. However, the 5800COMBO offers carbon monoxide detection, while the 5808W3 does not. Learn more about these two devices.
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Honeywell 5800COMBO vs 5806W3
The 5800COMBO and the 5806W3 are two life-safety devices. Both are from the Honeywell 5800 Series, and both communicate at a frequency of 345 MHz. However, the 5800COMBO provides smoke, heat and CO detection, while the 5806W3 only provides smoke detection. Learn more about these two sensors.
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How Do I Change the Battery in the 5800COMBO?
The 5800COMBO is powered by four CR123A lithium batteries. To change these batteries, start by removing the device from its back plate. Then replace the old batteries with four new ones. Then reapply the device to the back plate. Learn more about replacing the batteries in a Honeywell 5800COMBO.
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Can I Monitor My Existing Smoke Detectors Remotely?
Smoke detectors for a security system can be monitored through Total Connect or Alarm.com. The platform that is used will depend on the type of panel you have.
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How Do I Test My 521BXT Smoke Detector for Proper Function?
To test a 521BXT Smoke Detector for proper function, use canned smoke to test the device's smoke detection and a hair dryer to test its heat detection.
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How Do I Test the ESL 521BXT for Heat Detection?
You can test the heat detection of the 521BXT by using a hair dryer to shoot hot air onto the device. A successful test will be indicated by a loud siren.
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How Do I Clean My ESL 521BXT Smoke and Heat Detector?
You can clean your ESL 521 BXT Smoke and Heat Detector by removing the optical chamber inside the device and removing any dust and dirt that is present.
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How Do I Test the ESL 521BXT for Smoke Detection?
To test a 521BXT for smoke detection, shoot canned smoke into the vents of the device. A loud siren emitting from the detector indicates a successful test.
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