HQRP C Wire Adapter 24V AC Transformer - 25 ft Cable - ETL Listed - Compatible with Ecobee Nest Honeywell Emerson Smart Thermostats and Ring Wyze Blink Video Doorbells
HQRP C Wire Adapter 24V AC Transformer - 25 ft Cable - ETL Listed - Compatible with Ecobee Nest Honeywell Emerson Smart Thermostats and Ring Wyze Blink Video Doorbells
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30-Day Hassle-Free Returns
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About This
- HQRP® Replacement White Transformer; Fix no-C-wire & low-battery issues — delivers constant 24V AC to power smart thermostats and video doorbells for stable, always-on performance; delivers constant stable power to prevent low-battery warnings and erratic behavior;
- Input: 120V AC; Output: AC 24V, 300mA; 25ft Cable; Wide compatibility — compatible with Ecobee ecobee3 ecobee4, Google Nest Learning & E, Honeywell T5 T9, Emerson Sensi; Ring 2020 3 4 Pro Pro2, Wyze, Blink, Eufy, Skybell, Arlo (wired); C-wire solution: Fixes missing C-wire & low-battery issues; compatible with Ecobee ecobee3/ecobee4, Google Nest Learning/Thermostat E, Honeywell T5/T9, Emerson Sensi; keeps thermostats always-on;
- ETL Listed; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Stable, quiet output — 120V AC input to 24V AC 300mA with low interference & noise to prevent resets, dropouts, or erratic chimes;
- Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; Safety you can trust — ETL listed with automatic overload & thermal cut-off plus short-circuit and over-voltage protection;
- C Wire Adapter Compatible with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable; Fast install anywhere — 25 ft non-polarized white cable routes from outlet to device; plug-in or hardwire leads to terminals for a clean, reliable setup;
- 1 Year warranty!
Overview
- Brand : HQRP
- Power Source : Ac Mains
- Mounting Type : Wall Mount
- Current Rating : 0.3 Amps
- Specification Met : ETL

WE MAKE SMART LIVING SIMPLE.
OUR TEAM HELPS SECURE YOUR HOME.
SmartHomeValueHub helps homeowners create safer, smarter, and more convenient living spaces with trusted smart home solutions built for everyday life.
From smart security cameras and smart locks to video doorbells, thermostats, lighting, and home automation essentials — we focus on products that improve real comfort, safety, and efficiency.
Our goal is simple: better protection, lower energy costs, and smarter daily living for every home.
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✔ Easy Setup
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SMART HOME FAQ
Yes — many modern devices support multiple platforms.
Matter-certified devices can work across Alexa, Google Home, and Apple HomeKit at the same time.
Not always.
Smart bulbs, plugs, cameras, and video doorbells are often easy DIY installations, while full security systems may need professional setup.
Many devices still work manually or through local control.
You may lose remote app access, but locks, lights, and thermostats often continue basic functions.
Security depends on the device and setup.
Use strong passwords, trusted brands, firmware updates, and secure Wi-Fi for better protection. Privacy and unauthorized access are common concerns in smart homes.
Most homeowners start with:
Smart Security Cameras
Smart Door Locks
Smart Thermostats
Smart Plugs
Video Doorbells
Yes.
Smart thermostats and smart plugs help reduce wasted energy by automating heating, cooling, and power usage.
It depends on your ecosystem.
Alexa → widest compatibility
Google Home → strong for Android users
Apple HomeKit → best privacy
Home Assistant → advanced control
Smart Home Tips, Trends & Buying Guides