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The System Sensor 4WTAR-B is a high-performance photoelectric smoke detector designed for reliable detection and alert in fire situations. Equipped with a thermal sensor and a built-in sounder, this 4-wire detector is ideal for both residential and commercial settings.
Designed with user convenience in mind, the 4WTAR-B features red and green LEDs for clear status indication and an installer-friendly base for easy setup. Its plug-in design with Stop-Drop 'N Lock attachment simplifies installation, making it an excellent choice for fire safety systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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