Residential Sender
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Residential Sender

A Thermostat That Provides Comfort Where You Need It Most
  • Expansion thermostat for the Venstar or Totaline Wireless Thermostat System
  • 7 Day Programmable with 4 time periods per day and holiday mode
  • Backlit display shows large numbers as well as the heating/cooling set point, and room temperature
  • Can be manually operated or programmed for energy savings
  • Up to 4 thermostats can be used with one receiver
  • Transmits up to 500 feet, through walls and floors


A Brand New Item is Available for ONLY $102.60
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  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • Expand your Venstar Wireless Thermostat System with up to three additional thermostats. This thermostat expands your existing Venstar or Totaline system to allow control of temperatures from multiple locations. It is a wireless unit that can be placed in any location in your home and transmits signals up to 500 feet. The thermostat runs on 2 AA lithium batteries (included).

    If more than one transmitter is used with a single receiver, the transmitters must be given different Unit ID Numbers. Only the transmitter with Unit ID Number 1 may have a programmed schedule or be configured. All configuration parameters are taken from the transmitter with Unit ID Number 1. Transmitters with Unit ID Numbers 2, 3, and 4 cannot be programmed or configured (except for set points).

    When more than one transmitter is used, the receiver only accepts commands from the transmitter that is last used (button pressed). All other set points and modes from other transmitters are ignored. If the transmitter with Unit ID Number 1 has a schedule and is in Program On mode, the receiver will revert back to following the programmed schedule when a time period change occurs, even if the transmitter with Unit ID Number 1 is not the current commanding transmitter.

    Varied Mounting Options
    The Venstar Wireless Thermostat can be mounted to your wall, carried in your hand, or set on a table or shelf using its built-in easel stand.

    Note: To install batteries, insert a small screwdriver in the slot between case halves and carefully pry the case apart.

    Extra Venstar Receivers are also available for homes or businesses that have more than one HVAC system.

    Additional Features Include:
    • Auto Changeover, 2-Stage Heat & 2-Stage Cool for use with gas / electric or heat pump systems.
    • Thermostat is completely wireless, receiver can be mounted at unit or at old thermostat's location.
    • Transmits at 418MHz using pulse code modulation — won't interfere with other wireless systems
    • Sender uses two AA batteries (included)
    • 7 Day Programmable with 4 time periods per day, copy command and holiday mode
    • Dual-setpoint with adjustable deadband (1 to 6 degrees) and temperature sensor calibration.
    • All programming stored in nonvolatile memory.
    • Thermoglow Electro-luminous Display.
    • Display shows heat and cool setpoints, mode, and room temperature simultaneously.
    • 5 minute compressor time guard and adjustable cycle limit, both overrideable for servicing equipment
    • Setpoint adjustment range from 35° to 99°F, sensing range from 32° to 99°F.
    • 64 house codes allow installation of up to 64 systems within transmit range with no interference.
    • On board dry contact closure available to force thermostat into occupied operation.
    • Meets California Commercial Title 24.

    This product has been awarded the ENERGY STAR. Click here to view all ENERGY STAR products.

  • Specifications

    Manufacturer: Venstar
    Venstar Product No.: T1100RF
    Setpoint Range: 35° to 99°F
    Sensing Range: 32° to 99°F
    Dimensions: 4.75" H x 3.25" L x 1.25" W
    Approvals: Energy Star Compliant
    Warranty: 1 year, limited

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    • 1x - Wireless thermostat
    • 2x - AA lithium batteries
    • 1x - Instructions
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