CO detector, 12/24 Volt, Trouble Relay, 4-Wire, System Sensor #CO1224T
Carbon monoxide Detector Head & Base. 12/24 Volts, Conventional, Trouble Relay. System Sensor Model #CO1224T. These are new Detectors purchased directly from System Sensor. These detectors have never been out of their boxes. Just Received 08-29-2022. Listing is for one Detector.