1230, Non-Programmable Thermostat 2 Heat/1 Cool

Compatibility Single Stage Conventional or Heat Pump Systems Multistage Heat Pump Systems (1220NC, 2220NC) Multistage Conventional Systems (1220NC, 2220NC) 2-Wire Hydronic Zone Systems (1025NC: 2 or 3-Wire) Millivolt Systems Features Large Display with Bright Blue Backlight Adjustable Temperature Limits for Multi-Family Housing Hardwire or Battery Powered Permanent Memory Retains Settings Low Battery Indicator Front Access Reset Button Compressor Short Cycle Protection Fahrenheit or Celsius Display Mode Adjustable Temperature Differential ESD GuardTM Electronic Circuitry Trilingual Packaging and Instructions Additional Features (2020NC/2220N) 7 Day, 5-2 Day or Non-Programmable Temporary Program Override Programmable Extended Hold Mode Filter Check Monitor Adaptive Recovery Mode (ARMTM)