Featuring RealTest®
When you install a carbon monoxide (CO) detector, wouldn't it be great to know it's offering the protection it promises? The CO1224T and CO1224TR (round) detectors from System Sensor offer RealTest — the first and only functional CO test fully compliant with NFPA 720: 2009. With RealTest, a simple short spray of canned CO is all it takes to know the detector is doing its job.

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