Will it work with your system?
Works well with
- Walls without a C wire
Check first if you have
- Heat pumps or multi-stage systems it doesn't list
What it controls
The Google Nest GA02493-US C-Wire Adapter is a C-wire adapter.
A C-wire adapter gives a thermostat steady 24-volt power over the existing wires, usually with a module at the furnace control board. Check that its listing names your thermostat and system; many support conventional single-stage systems only. The C wire guide.
From the listing: works with: Android, iOS, or Web.
Also on the listing: dimensions of 7.48 in (D) x 2.1 in (W) x 1 in (H).
Warranty, per the listing: 1 year manufacturer.
Compatibility and specs
These come from the maker's listing for this exact model; the source of each is marked. Anything the maker leaves out is marked not stated.
| Model number | GA02493-US | Retailer |
|---|---|---|
| Model name | GA02493-US | Retailer |
| Dimensions (seller) | 7.48"D x 2.1"W x 1"H | Retailer |
| Works with | Android, iOS, or Web | Retailer |
| Features (seller) | C-Wire Substitute | Retailer |
| Connectivity | Wi-Fi | Retailer |
| Voltage | 24 V AC | Retailer |
| Mounting / installation | Furnace/Air Handler/Zone Controller Mount | Retailer |
| Warranty | 1 year manufacturer. | Retailer |
| Material | Plastic | Retailer |
Strong points and weak points
Strong points
- No new cable to run
Weak points
- Check system support (often single-stage)
Wiring and install notes
- Compatibility statements are the maker's own. Confirm with the maker's compatibility checker, turn the power off before wiring, and leave line-voltage and furnace work to a licensed electrician or HVAC technician.
Thermostats to compare it with
FAQ
Will the Google Nest GA02493-US C-Wire Adapter work with my system?
Other sensors, c-wire adapters and wiring with similar wiring
- Google Nest 10807 Room Sensor
- Sensi RS01-SG Room Sensor
- ecobee EB-RSHM2PK-01 Room Sensor
- Google Nest T5001SF Room Sensor
All sensors, c-wire adapters and wiring in one grid · Every Google Nest control listed
Our take
Shortlist it for walls without a C wire.
Where to get it
The link goes to this exact model's listing. Check that the box includes the trim plate or C-wire adapter you need, and confirm your wiring with the maker's compatibility checker before you order.
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