Top Thermostats Without C Wire

Aube RC840T-240 On/Off Switching Electric Heating Relay with Built-in 24 V Transformer

  • Direct replacement for any brand name relay.
  • Built-in 24 V transformer for easy installation..
  • Compatible with 24V thermostats with 2-wire connections (R,W) or 3-wire connections (R,W,C).
  • Immediate relay activation provides improved temperature control and comfort.
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iPower GLFANXCONTROLA Exhaust Variable Vent Controller Inline Duct Fan Speed Adjuster, Max 350W, 1 Pack

  • ★ Compatible with 24V thermostats with 3-wire connections (R, W, C) or 2-wire connections (R, W).
  • ★ Immediate relay activation provides improved temperature control and comfort.
  • ★ Easy to install, merely munted it on the side of existing junction box and attached the wires from the new thermostat.
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Honeywell RCHT8612WF Home T5+ Smart Thermostat

  • Optional power adapter included – Wi-Fi thermostats typically require extra power via a “C” wire. Many homes lack this wire, so this adapter gives you a simple, low-voltage alternative. It’s easy to install and fits discreetly near your heating and cooling system. Extra power via a “C” wire. Many homes lack this wire, so this adapter gives you a simple, low Voltage alternative. It’s easy to install and fits discreetly near your heating and cooling system.
  • 7-day flexible scheduling or location based temperature control – it’s your choice. 7-day scheduling programs your thermostat. Geofence technology helps make you comfortable by using your smartphone’s location to know when you’re away and when you return. Programs your thermostat. Geofence technology helps make you comfortable by using your smartphone’s location to know when you’re away and when you return.
  • Smart alerts – push notifications remind you to change your filter and warn you of extreme indoor temperatures.
  • Auto change from heat to cool – automatically determines If your home needs heating or cooling to provide maximum comfort.
  • Fan operation* custom Fan settings to circulate more or less air, as needed, to keep air movin....
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MEROM 24V 500mA 26ft C Wire Transformer Adapter for Thermostat and Doorbell, Compatible with Nest/Ecobee/Sensi/Honeywell Thermostat, Nest Hello Doorbell/Ring Doorbell Power Supply

  • UNIVERSAL DESIGN: US power cable Powers your popular smart thermostats((Nest, Ecobee, Honeywell, Sensi) and doorbells(Ring Video Doorbell, Ring Video Doorbell 2 & Ring Video Doorbell Pro,Nest Skybell , etc.) and other devices that require constant 24 volt power for operation, enables you to charge your devices safely..
  • EASY INSTALLATION: Assemble along the wall from your outlet to the doorbell and thermostat without the existing wiring. Super easy to install that can be able to set up in minutes..
  • CONVENIENT: With this C Wire Adapter, you could able to charge your doorbells and thermostats without any worry about interrupting, which makes it a wonderful ring doorbell transformer. You don’t need to take off the battery inside the doorbells and just connect this transformer, keep doorbells charging any time you want..
  • LONG CABLE: Our cable is 8M(315 inch) long and you do not worry about the distance between the socket and the Honeywell Smart Wifi Thermostat. This allows you to easily plug it into an electrical outlet inside or outside your house..
  • SAFE AND CONVENIENT: Our battery backup has gotten certificate. A quick fix to the problem of “Low batter” you can charge it directly(plug adapter into outlet and power up). that means you don’t need to r....
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HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL

  • POWER UP MULTIPLE THERMOSTATS / DOORBELLS: replaces and upgrades underpowered transformer with this 24V AC transformer, offering plenty of power for single or multiple thermostats and doorbells at the same time.
  • UNIVERSAL COMPATIBILITY: this 24v transformer fits for Nest, Ecobee, Honeywell and Sensi smart thermostats.
  • Also compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other devices that require constant 24 volt power for operation.
  • Safety Features: High Efficiency and Reliability.
  • 1 Year warranty! EASY TO INSTALL: screw down or threaded clamp to electrical box, simple to wire up.
  • Compatible With: 24V 40VA Transformer compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v Replacement.
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Honeywell THP9045A1023 Wiresaver Wiring Module for Thermostat

  • Wiring module that connects to “K” terminal on thermostat and separates into Y and G signals to equipment.
  • Can be used in conventional and heat pump systems.
  • Requiring one wire more than is available.
  • Wire Saver for THX9000 Series Thermostats.
  • Color: Gray, Easy push wire terminals that provide a secure lock with no need to screw in wires..
  • Can be used when 5 wires are needed and only 4 wires are available.
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Aowel Programmable Thermostats for Home 1 Heat/1 Cool (Blue)

  • Upgrade Electronic Thermostats 5+1+1 Day Programmable or Nonprogrammable , Single Stage 1 Heating and 1 Cooling, Electric or Gas/oil Configurable..
  • Use Programmable thermostat mode (Monday to Friday, support to set the temperature value of 4 time periods each day) Saturday and Sunday can be independently set the temperature value of 4 time periods. Use in Nonprogrammable mode.
  • directly adjust the required temperature value manually, press the key to select （Hold）. Switch Programmable mode button to select （Run Sched） just fine, the operation is very convenient..
  • Compatible with single stage thermostat heating, cooling aCnd heat pump (without aux) systems. Does not work with multi-stage systems or 120/240V electric baseboard..
  • Easy-to-read digital display with large characters and blue backlight. Big separate buttons for easy setting.Precise temperature control with +/- 1 degree in Fahrenheit and Celsius for ultimate consistent control..
  • Thermostat Easy installation, dual powered by 24VAC power or 2 AAA batteries, C-wire is not required. Friendly Service: 2-year worry-free warranty and 24h customer service.
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Honeywell T4 Pro Series Programmable Thermostat TH4110U2005 + 6Ave Cleaning Kit

  • Uses the UWP mounting system that’s standard across all T Series thermostats.
  • Easy upsell to a connected Lyric T6 Pro Wi-Fi when your customer is ready for Wi-Fi (C-wire required).
  • Simple push-button functionality, Filter change reminders.
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Braeburn 7305 Universal Smart Wi-Fi Programmable Thermostat 3H / 2C

  • Large 5 sq. In. Backlit display ,7 day, 5-2 day or non-programmable , bright blue backlight display.
  • Multi-color program Groups simplify scheduling , text and e-mail service and temperature alerts ,monitor and control multiple thermostats.
  • Wired remote sensing , programmable and circulating Fan modes , common “C” wire required to use Wi-Fi.
  • Compatible with virtually all smartphones, tablets or pc’s, residential or commercial modes ,.
  • View outdoor temperature* , help screens guide user through application.
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OhmKat Professional Grade Short Protected 24 Volt Power Supply - Compatible with Nest Ecobee Honeywell Smart WiFi Thermostats and Smart Sprinkler Controllers

  • Designed for all C-wire and 24 volt applications - perfect for smart thermostats and sprinkler controllers such as Nest, Ecobee, Honeywell, Racchio and others..
  • Equipped with ONE TOUCH POWER TEST (patent pending) - the easiest way for anyone to check their power supply. No tools or equipment needed..
  • 30 foot long wire with split assembly makes installation easy..
  • Short Circuit Protected - OhmKat builds short protection inside the transformer to ensure the maximum safety possible..
  • Clean 24 volts safely powers your sensitive smart devices..
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24 Volt Transformer, C Wire Adapter Thermostats, Power Supply Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Blink Video Nest Hello Skybell August Doorbell (Black)

  • 24V C Wire power adapter: plugs into your standard 110v/120v outlet and converts to 24 volt AC current.
  • 24 volt transformer for doorbells: powers up smart Thermostats for (Nest, Ecobee, Honeywell, Emerson Sensi, Hive, etc.) and doorbells (Ring, Nest Hello, Skybell, August) that require 24 volt power for operation.
  • UL certified: UL certification passed, stable and durable operation 24V transformer.
  • Easy installation: 2 pin non-polarity wires support easy and quick install, 16.5 ft cable is long enough to plug it into an electrical outlet inside or outside your house.
  • Packing list: 1 x 24 Volt C wire adapter, 1 bag (50 pieces) of cable clips. Note: Please add a 50W Watt 25 Ohm Resistor if you use this transformer to power a doorbell. The brand mentioned above is just for demonstrating compatibility.
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Amazon Smart Thermostat with C-Wire Power Adapter

  • This bundle includes Amazon Smart Thermostat and C-Wire Power Adapter..
  • Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage..
  • Save money - After purchase, Amazon will send you an email with details about rebates that may be available from energy providers in your area. Explore rebates above..
  • Save energy - According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills..
  • Automatic comfort - Alexa can do the programming for you, updating the temperature to keep you comfortable..
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