Multistage Thermostats
A multi-stage thermostat is designed to control HVAC (Heating, Ventilation, and Air Conditioning) systems that have multiple levels or “stages” of operation for heating and/or cooling.
DG Multi-stage Thermostat
The DG is a single-piece, multi-stage thermostat that provides electronic control of multi-stage cooling and heating systems for a single zone area. DG-02 provides 2-stage control, while DG-04 provides 4-stage control.