System Sensor 2D51 SENSOR-FOR D4120 DETECTOR SENSOR-FOR D4120 DETECTOR

SENSOR-FOR D4120 DETECTOR

TWO-TERMINAL HUMIDITY SENSOR, FOR D4120 DETECTOR, STANDARD PACKAGING

This is a 2D51 replacement sensor for the D4120 Detector. It replaces the wiper and has a life of 5000 hours.

The System Sensor D4120 Detector turns on the System Sensor LED above the detector with an audible alarm instead of using a built-in light. This device is compatible with all System Sensor detectors, and eliminates the need for wall outlets. It provides a 15 foot range, and can be easily mounted within your home.

The HONEYWELL System Sensor 2D51 is a replacement for HONEYWELL D4120 detector sensor. This product is manufactured in China.

The System Sensor 2D51 is a replacement sensor for the D4120 detector. It is used to detect smoke in homes, businesses or cars.

The D4120 Detector is a type 4-20mA current loop device for use with the System Sensor D4120 Series Programmable Controllers.

The System Sensor 2D51 is the correct replacement sensor for the following detectors: D4120, D4121, D4122, D4123 and D4124. Expertly engineered and rigorously tested to be both simple to install and reliable in use, it fits directly into existing outlet boxes and offers years of quiet performance.