The System Sensor 2WTR-B is a 2-wire, photoelectric i3 smoke detector with thermal sensor and Form C relay.
Throughout the i3 series, installation is simple with its installer-friendly base and plug-in design.
The base accommodates a broad range of back box and direct mounting options and provides ample space for pre-wiring the device.
To complete the installation, the i3 detector plugs into its base with a simple Stop-Drop ’N Lock action.
