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Copyright © 2018 Nortek Security & Control

PRINTER’S INSTRUCTIONS:

INSTR,INSTL,2GIG-FT6 TEMP FLOOD SENSOR - P/N: 10021591 X4 - INK: BLACK - MATERIAL: 20 LB. MEAD BOND - SIZE: 8.5000” X 11.000” - TOL. +/- 0.125”- SCALE: 1-1 - PAGE 1 OF 2- FOLDING: FOLD 4X TO FINAL SIZE: 2.125" X 2.750"- FINISH WITH LOGO SHOWING

 2GIG-FT6-345

FLOOD AND TEMPERATURE DETECTOR

SENSOR

LITHIUM BATTERY

LITHIU

M

ALIGN DOTS

BATTERY TERMINAL
NEGATIVE (-)

BATTERY TERMINAL
POSITIVE (+)

BATTERY
PULL TAB

PULL ONL

WHEN READ

Y

 TO P

AIR

Replacing Battery

Open Sensor Case as shown in Figures 2 and 3. 

Figure 2. 

Opening the Sensor Case

Replacement Battery Installation:
NOTE: 

If battery has been previously installed:

1.  Remove battery, and dispose of properly (meeting state regulations).
2.  Wait two (2) seconds.
3.  Replace battery.
4.  Close sensor.

INSTALLATION INSTRUCTIONS

The 2GIG-FT6-345 is a fully supervised, one-way 345 MHz sensor. It will monitor the 
ambient temperature and/or will detect a wet/dry flood condition. The sensor reports 
wet/dry conditions and temperature to the panel.

Flood Conditions

Once the sensor probe detects the presence of water, the integral transmitter will 
immediately send a loop 3 wet alarm transmission to the panel. The probe will also 
send a restore (dry) report when the presence of liquid is no longer detected. The 
sensor is capable of detecting clean or dirty fresh water, salt water, or tap water.

The 2GIG-FT6-345 utilizes a unique design that can detect leaks dripping onto it’s 
top or if there is water under the device.  This dual sensing technology is perfect for 
placement under P Traps or hoses that may leak, giving a warning just as the leak 
starts.  If a leak occurs at a different location as water is sensed under the device, it 
will also send an alert.

Temperature Conditions
Heat:

1.  If the temperature is more than 95° F (35°C) for three (3) minutes, the sensor will 

send a loop 2 transmission.

2.  If the temperature is less than 95°F (35°C) for three (3) minutes, the sensor will 

send a loop 2 clear.

Cold:

1.  If the temperature is less than 41°F (5°C) for three (3) minutes, the sensor will 

send a loop 1 transmission.

2.  In the temperature is more than 41°F (5°C) three (3) minutes, the sensor will 

send a loop 1 clear.

Contents

Verify that the package includes the following:

•  1 — 2GIG Flood/Temperature Sensor
•  1 — 3V CR123A Lithium Battery

Figure 1. 

Temperature/Flood

 

Sensor Contents 

Grip the base of the sensor case. Turn the top cover counter-clockwise to align the 
dots, then separate the sensor case.

Figure 3.

 Installing New Battery

DETECTOR

WATER

Installing Temperature Sensor

The 2GIG-FT6-345 Flood and Temperature Sensor can be easily placed in any 
location. If placed specifically under a potential leak source, use the included optional 
double stick tape to secure it in the desired location (see 

Figure 6

).

Figure 4. 

Suggested Installation Locations

Place the sensor in locations 
that have the potential of 
water leaks or flooding. 

For example:

•  Under the sink pipes
•  Adjacent to water heaters
•  Adjacent to toilets
•  Adjacent to bathtubs or 

showers

•  Under or near your 

dishwasher

•  Near washer and dryer

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