INSTEON Wireless Thermostat
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INSTEON 2441ZTH Wireless Thermostat

Wireless Climate Control for Your Whole Home
  • Use as a stand-alone INSTEON temperature and/or humidity controller
  • Use as a wireless sensor and controller of the INSTEON Thermostat
  • Use with I/O Lincs as a wireless thermostat (especially helpful if you have fewer than 4 wires going to your existing thermostat)
  • Make the temperature comfortable where you are
  • Battery-powered with optional power supply connection
  • Add the remote temperature sensor to monitor fish tanks, pools, spa, etc.

Item #: 2441ZTH


Frequently Bought Together:

Price For Both: $229.98

  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • Place a thermostat anywhere you want with the INSTEON Wireless Thermostat linked to your INSTEON Thermostat. Put it in the master bedroom, in the basement, in the guest room--anywhere you want room-specific, customized temperature control. You can add up to two INSTEON Wireless Thermostats to your INSTEON Thermostat.

    Additionally, you can use INSTEON Wireless Thermostat as a standalone controller, activating scenes to turn on heaters and fans based on the room's temperature and/or humidity status.

    The INSTEON Wireless Thermostat also works like a standard thermostat with local control, four automatic modes and 1-day programmable settings, so there's no hassles with training your family on how to use it.

    In addition to remote control, program the thermostat as an INSTEON controller to activate other appliances in your home based on temperature, humidity or mode changes. Here are just a few of the limitless scenarios:
    • When the A/C kicks in, turn on your ceiling fans to help cool down your home faster and more efficiently
    • Add INSTEON-compatible software such as HouseLinc and receive text messages if the temperature or humidity drops above or below your defined safe levels
    • If the humidity level climbs too high, turn on a dehumidifier with an ApplianceLinc*
    • Program a daily "Return" mode that turns on your A/C and switches on your outside lights so you come home to a relaxing, welcoming house

    • *You must have an INSTEON dual-band device or Access Point installed for INSTEON Wireless Thermostat to communicate with single-band INSTEON devices.

      Increase INSTEON Wireless Thermostat's utility by attaching a Waterproof Temperature Sensor. This weather-resistant external sensor wires into INSTEON Wireless Thermostat and allows you to monitor the temperature of environments such as pools, spas, aquariums and ponds.

    You can link up to two INSTEON Wireless Thermostats to INSTEON Thermostat, allowing you to control the HVAC system from anywhere in the house. When linked to an INSTEON Thermostat, INSTEON Wireless Thermostat can serve as the master thermostat over the HVAC system; just press and hold the Master button, wait for the beep and release. When "Master" appears below the large temperature display, Wireless Thermostat is now the primary thermostat.

    Temperatures from the linked INSTEON Thermostat, Wireless Thermostat and/or Waterproof Temperature Sensor are displayed in smaller digits centered above the main temperature display in positions 2 and 3, with the master thermostat featuring "Master" below its temperature reading. The display information updates every time the temperature sensed changes by 2°.

    INSTEON Wireless Thermostat features a bright blue LED backlight for easy programming. By default, the backlight turns on when a button is pressed and turns off 10 seconds after button is released-this helps to conserve Wireless Thermostat's battery life. You can change this setting with the Program button to 60 seconds, always on or always off.

    If the INSTEON device you intend to control from the INSTEON Wireless Thermostat does not receive RF signals (i.e., it's powerline only), you will need at least one dual-band INSTEON device to convert the RF signals to powerline signals.

  • General
    Product Name: INSTEON Wireless Thermostat
    Brand / Manufacturer: INSTEON
    Manufacturer Product No.: 2441ZTH
    UPC: 813922010800
    Warranty: 2 years, limited
    INSTEON Powerline Mesh Repeater: No, uses battery power
    INSTEON RF mesh repeater: Yes, with DC power adapter (sold separately)
    INSTEON controller: Yes
    INSTEON responder: No
    Maximum links/scenes: 400
    LED: Dual-color red/green, blinks during setup
    LED Brightness: N/A
    Local Control: No
    Commands Supported as Controller: On Off
    Commands Supported as Responder: N/A
    Software configurable: Yes
    RF Range: Up to 50 meters open air
    Phase Bridge Detect Beacon: No, RF only device
    INSTEON Device Category: 0x05 (all frequencies)
    INSTEON Device Subcategory: 2441ZTH (915MHz) 0x0A
    Mounting: Wall mount or tabletop stand
    Wire Connections: N/A
    Screw Clamp Connections: Yes, 4 position (external temperature sensor and DC power adapter)
    Case Color: White
    Set Button: 1
    Plastic: UV stabilized ABS
    Beeper: Yes
    Beep on Button Press: Optional (off by default)
    LED: 1 dual-color red/green, blue LCD backlit display
    Dimensions: 3.4" H x 5.7" W x 3" D
    Weight: 0.55 lbs (8.8 oz)
    Operating Environment: Indoors
    Operating Temperature Range: 39° to 104°F (4° to 40°C)
    Operating Humidity Range: 0-90% relative humidity
    Storage Temperature Range: -4° to 158°F (-20° to 70°C)
    Voltage: 2 AA batteries (included) or 5VDC adapter (sold separately)
    Frequency: N/A
    Load Type(s): N/A
    Maximum Load: N/A
    Minimum Load: N/A
    User Replaceable Fuse: No
    Hardwired Remote Control: N/A
    Retains All Settings Without Power: Yes, saved in non-volatile EEPROM
    Standby Power Consumption: 22 micro-Amps
    Certifications: FCC, IC Canada, EN International
    FCC ID: SBP2441ZT
    Safety Approval(s): N/A, low-voltage device

  • Reviews 1 - 10 of 23

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    Review of 2441zth Review by MIKE
    Review of 2441zth

    I'm a software engineer and and have been a gadget builder for close to 40 years now, the manual on this things is just about worthless.

    Posted on 7/2/2014

    Review of 2441zth Review by David
    Review of 2441zth

    I've had the Insteon Thermostat and Insteon Wireless Thermostat for about a year now. I was initially scared by other reviews that mentioned various connectivity problems, but ignored the naysayers assuming they just were confused about how to set up the product. A bit of background on me, too: I'm a software engineer and I've literally been writing software against Insteon in C# since 2004, so I understand what I'm doing with Insteon.

    I have a severe neck injury as a result of a car accident, and if my bedroom isn't at just the right temperature while I sleep, my neck siezes up and can hurt for several days. We got the Insteon thermostat pair because the wireless one can act as a remote thermometer and control for the main thermostat, which is hardwired in the hall. The bedroom gets significantly colder than the hallway, so measuring the temperature from my nightstand a foot or two from my neck is a must.

    The thermostat CONSTANTLY loses master configuration at random intervals, with no warning, on fresh batteries. When the wired thermostat becomes the master again, the HVAC system seeks to bring the temperature to my night-time set point, 68 degrees, in the hallway. This means my bedroom is often 61 degrees by the time I wake up and I'm in pain, if I don't happen to catch it when I go to the bathroom in the middle of the night.

    I've used other Insteon products and love them -- my house is wired with about $5,000 worth of Insteon switches, controllers, sensors, etc. However, Smarthome has epicly failed with the thermostat. Look elsewhere for a thermostat.

    Posted on 6/10/2014

    Review of 2441zth Review by JOHN
    Review of 2441zth

    The only reason I gave this 2 stars is it does technically act as a thermostat. If you want to know remotely what the temperature is at any given time, you're out of luck, it doesn't do that. Also, for those of you that are excited about the external temperature probe please note that the data isn't transmitted back to the hub or ISY. Basically the only value is if you happen to be looking at the screen. This seems pointless to me as the purpose of this is to be an automation tool.

    I did have some communications issues with the unit as well. Ultimately I could never get it to work reliably and had to return it.

    Posted on 4/18/2014

    Review of 2441zth Review by CRAIG
    Review of 2441zth

    Very nice unit. I'm using it as a remote sensor for the 2441TH unit. Not only does it function as a remote sensor - but the unit is totally in synch with the main unit. I can program from either one and the other one gets the update immediately! Nice!!!

    Posted on 12/29/2013

    Review of 2441zth Review by JASON
    Review of 2441zth

    Fantastic product. I have it controlling heat and humidity to our nursery room with the use of plug in on/off modules connected to independent devices.

    Posted on 12/14/2013

    Review of 2441zth Review by Abdullah
    Review of 2441zth

    This is an update to my previous review.

    Tried to have my thermostats, wireless and wired to the factory reset state, then connected them to each other.

    Since the wired thermostat has default pre-programmed modes for wake, leave, return and sleep, which cannot be disabled, I used to set the wireless thermostat as MASTER and confirmed that HOLD was set ON.

    Since then, both wired and wireless thermostat are stable, and do not change their current mode as they used to do.

    I believe preprogramming should have an ON/OFF toggle for people who do not run on a schedule, and the default must be OFF. In addition, once a wireless thermostat is connected and set as MASTER it should have the ability to access programming button.

    Posted on 7/5/2013

    Review of 2441zth Review by Abdullah
    Review of 2441zth

    I located this thermostat 10 meters away from the main thermostat, and there are more than 5 dual band switches in between.

    Once I set this thermostat as master it changes its settings after a short while, say 3 hours. The fan settings goes to FAN ONLY instead of AUTO, or the COOL TO sets to a higher or a lower temperature degree.

    The other issue comes when using the HUB, I cannot access the wireless thermostat from my iOS App, the app seems to see the main wired thermostat and control it only, no matter which of them is in MASTER mode.

    I have gone through the manual carefully, and have reset both thermostats, wired and wireless, to factory reset more than one time just to ensure they work better, but no luck!

    The wireless thermostat to me now is only a device to measure the temperature and humidity, and to tell what is the main thermostat COOL TO temperature, NO STABLE CONTROLING.

    Posted on 7/2/2013

    Review of 2441zth Review by KEVIN
    Review of 2441zth

    Wonderful!!! Linked perfectly with the master, and now our bedroom can be controlled perfectly! Best idea anyone's ever thought up!

    Posted on 6/14/2013

    Review of 2441zth Review by ROBERT
    Review of 2441zth

    I tried 2 units. Both failed the same way. After a few hours they loose the mastermode function. I use external psu and distance between wireless and wired is 10 feet.

    Posted on 6/7/2013

    Review of 2441zth Review by ISAAC
    Review of 2441zth

    Unable to get the unit to update the temperature to SmartLinc (2412N), however sometimes can get the unit to update via HouseLinc Software.

    Posted on 5/22/2013

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    • INSTEON Wireless Thermostat
    • Tabletop stand
    • Two (2) AA batteries
    • Quick Start Guide
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