Venstar T1119RF Add-A-Wireless Thermostat for T1800 and T1900 Thermostats

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Manufacturer Part Number: T1119RF

If you are using a Venstar 7-Day Programmable Digital Thermostat or 7-Day Dual-Fuel Programmable Digital Thermostat, the Venstar Add-A-Wireless Thermostat Kit will let you have remote control of that thermostat by using a Venstar Extra Wireless RF module and a Venstar T1100RF Wireless Thermostat, both are included. The RF module simply snaps into the RJ-11 phone jack on your existing thermostat and acts as a transmitter and a receiver. The T1100RF thermostat can then control the existing thermostat from up to 500 feet away. The T1100RF thermostat is battery powered so it can be used just like a remote control anywhere in your home. The thermostats can be linked in a matter of minutes. Managing the amount of time your HVAC system is running is a great way to conserve energy, and this kit gives you the ability to remotely turn it off any time from anywhere in your home. The T1100RF runs on 2 AA lithium batteries (included).

Key Features

  • Includes a thermostat and a RF module for remote communication with compatible Venstar thermostats
  • Fast and easy to install
  • Large, easy to read, backlit display
  • Wireless: Transmits up to 500 feet, through walls and floors
  • Non-volatile memory, with dual setpoint with adjustable deadband

Key Specifications
Mechanical Specification
Dimensions (Inches) 8.23 x 8 x 2.36
Weight 2 lb
Please contact an RFWEL Wireless HVAC Specialist if you cannot find what you need for your project.


Consider Related Products

  • T1800: Venstar T1800 7-day Programmable Digital Thermostat
  • T1900: 7-Day Programmable Thermostat, Venstar T1900
  • ACC0800: AC Power Adapter for Venstar Wireless Thermostat Transmitter

. . . search for additional items with specific features using the HVAC Wireless Thermostats filter.

Quick Links

User Manual/ Install Guide

Wireless HVAC Control

Reference Engr Drawings

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Additional Information

Dimensions (Inches):
8.23 x 8 x 2.36
Weight (Lb):
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