Fyve 24 Volt Transformer, C Wire Adapter, Compatible with Nest Honeywell Ecobee Sensi Thermostats, Doorbell Transformer for All Versions of Ring Nest Hello Skybell, Extra Long 25' Cable

This adapter/transformer offers a powering solution to your wifi smart thermostat/doorbell; aimed at those that currently have outdated doorbell or HVAC wiring (majority of homes). From any standard 120v electrical outlet, this provides the constant 24 volt power required by today's top wifi smart thermostat and doorbells. 

Installation is a breeze with non-polarity pins allowing each pin to be connected to any terminal (so no mistakes). 

Save hundreds on hiring an electrician or HVAC professional to run new wiring; safely solve this issue by DIY'ing it in just a few minutes.

Technical Specs

Size: 3 in H x 2.2 in W x 2 in D
Input Voltage: 110v / 120v
Output Voltage: 24v @ 300mA
Stranded copper wire
24 AWG
Cable Length: 25 ft

Product Use

Thermostats:
Nest (T3007ES, T3008US, T200577)
Honeywell (RTH9685WF1004, RTH6580WF RCHT8610WF2006, TH9320WF5003, RTH9580WF)
Ecobee (EB-STATE3VP-02, EB-STATE3LT-02, EB-STATE4-01)
Emerson Sensi (ST55, ST75)

Doorbells:
Nest Hello Doorbell (NC5100US)
Skybell (SH02300SL, ADC-VDB102)
August Doorbell (AUG-AB01-M01-S01)

Instructions for thermostats

1. Turn off breaker

2. Simply install any pin to the "C" terminal and "RC" terminal (in furnace/boiler only wiring setups); 

add a jumper (a small piece of 18 gauge wire) from "RH" to "RC" if your current configuration was using a jumper or if you are using your thermostat with a cooling system/central air

3. Plug adapter into outlet, turn breaker on

4. Power up and enjoy your new thermostat!

Instructions for doorbells

1. Keep adapter unplugged

2. Install pins into the terminals for your doorbell unit (any pin can be connected to any terminal)

3. Plug adapter into outlet

4. Put doorbell faceplate on housing unit

5. Power up and enjoy your new doorbell!