2GIG 345S Wireless Dual Flood Water and Temperature Sensor Compatible Systems & Integrations

2GIG flood, water leak, or temperature sensor — environmental zone for sump, water heater, and freeze alerts (FT1, water leak, dual flood/temp SKUs). On 2GIG systems, wireless devices are supervised zones on the pan...

Overview

2GIG flood, water leak, or temperature sensor — environmental zone for sump, water heater, and freeze alerts (FT1, water leak, dual flood/temp SKUs).

On 2GIG systems, wireless devices are supervised zones on the panel — tamper, low battery, and missing signals appear as trouble conditions that may block arming depending on panel programming.

At a Glance

SpecificationDetails
DetectionWater probe contact and/or temperature threshold
Wireless345 MHz; encrypted FT1e available
PlacementFloor pan, drip tray, sump pit lip per manual
AlertsPanel chime/trouble; central station if monitored

What This Device Does Well

Provides reliable supervised status at the panel and Alarm.com when installed, enrolled, and range-tested correctly.

Before You Service or Replace One

  • Sensor SKU — standard 345 MHz vs eSeries encrypted vs ePlus 900 MHz.
  • Panel online — resolve panel AC/cell trouble before blaming sensor.
  • Range — repeaters (RPTR1) or transceivers (XCVR2) for distant zones.
  • Battery type — use listed cell; replace all batteries in multi-cell devices.
  • Tamper — cover fully closed before declaring hardware fault.

Official Sources

Use official 2GIG PDFs and install guides for exact wiring, enrollment, and firmware — specifications vary by SKU and region.

Compatible Peripherals

This page lists 2GIG ecosystem compatibility — panels, transceivers, repeaters, and monitoring platforms — not third-party panel brands unless using an approved takeover path.

Host compatibility

Host / ecosystemHow it connects
GC2 / GC3 / EdgeEnvironmental zones
345S flood/temp familySame wireless ecosystem

Not compatible / common mistakes

Using 2GIG wireless devices without a compatible GC2, GC3, or Edge panel receiver.

Replacement guidance

  • Match SKU and encryption generation on product label before ordering.
  • Delete old zone/device in installer programming before enrolling replacement.
  • Document zone number and name for user and central station records.
  • Run walk test and communication test after swap on monitored accounts.

Source: 2GIG flood/temperature sensor guide (2GIG official documentation).