The 200 Series Thermostats are decorator designed and engineered
for outstanding performance. All models feature Uni-Lines famous
sealed-in-glass switch which requires NO LEVELING AND OPTIMUM
PROTECTION FROM SWITCH CONTAMINATION.
Models are available for 24 volt heating or cooling, millivolt heating,
2- or 3-wire zone, and with energy saving heating or cooling ranges.
A decorating wall plate is included with all models to cover old thermostat mounting marks.