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The System Sensor CO1224T CO detector provides early warning by using electrochemical sensing technology to measure carbon monoxide levels in the air. The CO1224T offers 24/7 central station monitoring from effects of CO.

The System Sensor RTS151KEY is an automatic fire detector accessory designed to test remotely located duct and beam detectors. For 4-wire detectors, the RTS151KEY features a multi-colored LED that alternates between steady green and red. Green indicates power and that the detector board is in place. Red indicates alarm. For 2-wire detectors, the LED will show red for alarm. Consult the detector installation instructions for additional information.

The System Sensor L-Series P2WLED 2-wire horn strobes are rich with features that increase application versatility, simplify installation, and maximize profits with lower current draw and modern aesthetics. LED lighting technology offers significantly lower current draw compared to older Xenon bulbs across a full candela range. This improves design flexibility for notification appliance circuits (NACs) while also reducing power supply requirements, allowing for simpler and lower-cost installations.
In addition, the System Sensor L-Series with LED notification appliances offer a new diagnostic test point feature that allows you to measure device voltage with a digital voltage meter (DVM) without removing the appliance from the wall or ceiling. The DVM test points are discreetly located on the face of the notification appliance, which enables faster troubleshooting and end-of-line (EOL) voltage checks while greatly reducing the risk of misplacing or damaging appliances during troubleshoo

Includes 135°F fixed thermal sensor & built-in sounder. Plug-in design with mounting base included.

The System Sensor CO1224TR CO detector provides early warning by using electrochemical sensing technology to measure carbon monoxide levels in the air. The CO1224TR offers 24/7 central station monitoring from effects of CO.

InnovairFlex™ 4-wire photoelectric duct smoke detectors offer 2 sensors to 1 powerboard capability in standard (D4120) and watertight (D4120W) versions.

Plug-in design with mounting base included, loop testing via EZ Walk feature.

The i4 Series combines CO and smoke detection into one device, requiring less wiring and fewer back boxes than two separate devices. The i4 Series is compatible with i3 (2WTA-B or 4WTA-B), so an attractive CO monitoring solution can easily be retrofitted into existing i3 installations. The i4 Series CO cell can be easily replaced at end-of-life, resulting in a much lower life cost than having to replace the entire detector. With the help of the module, the i4 Series transmits distinct CO and smoke signals, allowing appropriate response from the central monitoring station. Intelligent features, such as drift compensation and smoothing algorithms, reduce nuisance alarms.

The DST family of sampling tubes are pieces of steel piping with a series of holes drilled the entire length of the tube and should extend the entire width of the duct. The correct length has to be chosen for width of the duct where it will be installed. The sampling tube length must extend at least 5/8 across the duct width for optimal performance. The sampling tube is always installed with the air inlet holes facing into the air flow. The tubes lock securely into place and can be removed by releasing the front or rear locking tab.