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Common Maker Thermostat Wire Extender (Adds a Common C Connection)

$4158
  • Made from high-quality plastic to ensure durable use
  • Efficiently operates over existing 2-wire thermostat cable
  • Works with all brands of Wi-Fi thermostats and HVAC equipment
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$4158

Product Overview

The Common Maker adds a common C connection to a thermostat cable with 2 or more wires. A common connection allows the thermostat to operate without batteries or power stealing circuits. Compatible with all major name brand Wi-Fi thermostats and HVAC equipment, including furnaces, air handlers, zone valves, zone controllers, millivolt systems and more.
  • Adds a common C connection to any popular Wi-Fi thermostat
  • Operates over the existing 2-wire thermostat cable
  • Product is only to be installed by a qualified heating and cooling technician
  • Some installations may require a 24-Volt transformer to be installed

Additional Resources

From the Manufacturer

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Specifications

Details

Accessory TypeThermostat KitOperating Temperature Range (F)0
Pack Size1Returnable90-Day
Voltage (volts)AC24V

Warranty / Certifications

Manufacturer WarrantyLifetime Warranty

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Customer Reviews

  • 4
    out of 31 reviews
  • 75%recommend this product
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Showing 1-10 of 31 reviews
The fast stat connector did exactly what it was suppose...
The fast stat connector did exactly what it was suppose to do, I.e., added a common C connector. Know I can control my Sensi’s thermostats via the Sensi app. Please note you need a separate unit for each thermostat. I had four.
by
  • Verified Purchase
Exactly as advertised
Does exactly as advertised. Added a pseudo-common wire for my ecobee smart thermostat. A little tricky to set up, but the diagrams they provide are perfect.
by
  • Verified Purchase
  • Recommended
Fast-Stat Common Maker is a great solution for 2-wire only...
Fast-Stat Common Maker is a great solution for 2-wire only heating systems. Installation is quick and easy. Time will tell how long the transceiver/receiver lasts, I hope for ever so I don't have to deal with this issue again.
by
  • Verified Purchase
Easy install and very clean look. Just needed to...
Easy install and very clean look. Just needed to buy a plug-in transformer make my Ecobee to work
by
  • Verified Purchase
Simple and easy to install. Google thermostat is now...
Simple and easy to install. Google thermostat is now working great
by
    The fast-stat common maker thermostat wire extender is great. Specifically...
    The fast-stat common maker thermostat wire extender is great. Specifically if you don’t want to tear down the whole and run new wire. These things are amazing as I have 2 for 2 different thermostat. Would buy again
    by
      by
        Product enabled me to add a Common connection to convert my 2 wire Thermostat/ furnace to a 3 wir...
        Product enabled me to add a Common connection to convert my 2 wire Thermostat/ furnace to a 3 wire connection for use with Smart thermostats that require a power source. Instructions were straightforward. Install was easy, just requiring Wire nuts. Made EcoBee installation very easy.
        by
        • Verified Purchase
        • Recommended
        Worked perfectly to allow installing my smart thermostat (Ecobee) without...
        Worked perfectly to allow installing my smart thermostat (Ecobee) without needing to replace my existing 2-wire thermostat wire. Install couldnt have been easier. Highly recommended.
        by
        • Verified Purchase
        Rating provided by a verified purchaser...
        Rating provided by a verified purchaser
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        • Verified Purchase
        Showing 1-10 of 31 reviews