Venstar ACC0410 Add-A-Wire Accessory for Programmable Digital Thermostats
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Venstar ACC0410 Add-A-Wire Accessory for Programmable Digital Thermostats

Adapt a 5-Wire Thermostat to a 4-Wire System
  • Allows 5-wire thermostats to use only 4 wires
  • Also allows 5 wires to work like 6 wires
  • Use it to fix a broken wire
  • Add cooling to a heat only system
  • Easier than running new wire

Item #: 304AAW

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Special Price: $22.50

List Price: $35.99

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  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • In applications where additional wiring cannot be run to your programmable digital thermostat, the Add-A-Wire accessory can be used to add a wire to the thermostat. The accessory can also be used for fixing a broken wire, to make one thermostat work like two, to add cooling to a heat-only system, or to add a common wire to a 4-wire system.

    Please note that the green and yellow wires of the Diode "Y" may not be connected to the R or C terminal of the thermostat. (The function of a diode is to allow current in one direction and to block current in the opposite direction.)

    This accessory works with the Venstar 1-Day Programmable Digital Thermostat, the 7-Day Programmable Digital Thermostat, and the 7-Day Programmable Thermostat, Dual Fuel (each sold separately).



    STANDARD FEATURES:
    • Includes Yellow, Green, Blue wire splice (directionally sensitive)
    • Includes 4 wire nuts
    • Wires running from Add-A-Wire accessory are 9 inch long
    • Maximum distance for Add-A-Wire using 18-gauge wire is 100 feet
    • Makes one wire work like two
    • Mounts inside equipment (not for outdoor use)
    • For use with 24-volt HVAC systems
    • Cannot be used as "R" power or "C" common wire

  • Specifications

    Manufacturer: Venstar
    Manufacturer Product No.: ACC0410
    Dimensions: 3" x 1.75" box and 9" long wires
    Weight: 0.5 lb.
    Safety Approvals: UL Listed
    Regulatory: FCC Compliant
    Warranty: 5 years, limited



  • Reviews 1 - 10 of 33

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    Review of 304aaw Review by STEVEN
    Review of 304aaw
    Rating

    Sure beats running an extra wire.

    Posted on 2/12/2014

    Review of 304aaw Review by Gus
    Review of 304aaw
    Rating

    I was actually surprised to find a device that solved exactly the problem that I ran into when trying to install a new thermostat. The instructions were clear. Installation was straight-forward. The box part fits easily in my HVAC unit. The diode part fit nicely inside my thermostat. After carefully following the instructions and planning my wiring diagram, it worked perfectly on the first try. Nice!

    Posted on 1/24/2014

    Review of 304aaw Review by Mike
    Review of 304aaw
    Rating

    What a great device. It works exactly as described. My particular wiring at the furnace was a little different than expected. But common sense, and a few questions in the smarthome help forum, made this an easy install. I was able to add a new honeywell wireless thermostat AND still keep my independent control to turn the fan-only on when ever I want to. I would recommend this to any DIYer who is comfortable with doing wiring.

    Posted on 1/22/2014

    Review of 304aaw Review by JC3
    Review of 304aaw
    Rating

    Works great!

    Posted on 1/8/2014

    Review of 304aaw Review by RICHARD
    Review of 304aaw
    Rating

    Works as advertised. Definitely easier than running new wires.

    Posted on 12/5/2013

    Review of 304aaw Review by THOMAS
    Review of 304aaw
    Rating

    didn't need it as I discovered two additional wires that were hidden

    Posted on 11/28/2013

    Review of 304aaw Review by BRIAN
    Review of 304aaw
    Rating

    Quick service, great price and easy to install.

    Posted on 11/20/2013

    Review of 304aaw Review by PATRICK
    Review of 304aaw
    Rating

    Does what it needs to providing that 5th wire so needed now on the newer thermostats.

    Posted on 11/3/2013

    Review of 304aaw Review by STEPHEN
    Review of 304aaw
    Rating

    This was a real life-saver. We wished to replace two battery-operated t-stats with Z-wave compatible programmable t-stats, but the existing wiring was four-wire cable. These boxes saved us a lot of time and money by relieving us of the need to cut drywall and rerun t-stat wiring. Has worked very well in the weeks since we installed them.

    Posted on 9/4/2013

    Review of 304aaw Review by SAMMYE
    Review of 304aaw
    Rating

    Works exactly as it should. Directions are not the clearest, but experience with electronics made it easy. Allows you to free up one wire, which you use for the C wire.

    Posted on 7/18/2013

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    * Required Fields

    • 1x - Add-A-Wire Accessory
    • 1x - Y Diode
    • 4x - Wire Nuts
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