The Venstar Battery or System Powered Thermostat is a breeze to operate and features a large, easy to read digital display. Its sleek style and white color blend beautifully into any decor. This thermostat may be used with most air conditioning and heating systems including: 1 stage electric cooling and 1 stage gas heating, electric, hydronic heat, or heat pumps without second stage auxiliary heat.
With your unique needs in mind, the Venstar ACC0410 Add-A-Wire for all 24VAC Thermostats lets you combine two thermostat signals on one wire. This kit installs without a hitch and is perfect for installations with a broken "common" wire.