Low voltage t-stat, digital programmable, terminal designations r, rc, c, o/b, y, g, w, y2, w2, a, l, s1, s2, control range 40 to 99 f, stages 2 heat (1 hip), stages 2 cool, temp settings 4 per day, power method 24vac or battery, color white, height 4 9/16 in, width 6 in, depth 1 3/8 in, voltage 24 ac, programs 7 per week, display type touch screen, lcd, backlit, horizontal mounting, ambient temp range 0 to 120 f, ambient humidity range 5 to 90 %, use with 6wy20, 6wy21, g2997337, g2480667, includes subbase '.
Large, clear display with backlight shows the current and set temperature and time even in the dark
Menu-driven programming make setup effortless
Touch screen interaction real-time clock keeps time during power failures and automatically updates to daylight savings
Speedy same-schedule programming; no need to copy multiple days
Armchair programming allows you to remove the thermostat from the wall for programming