SUPCO has announced the addition of the new Climate Technology Corp. (CTC) 43168 Digital/Programmable, Multi-Stage Heat Pump Thermostat. The 43168 complements the 43154 Conventional Programmable Thermostat, and is compatible with most single-stage or two-stage heat pumps with 2 heat/2 cool, and gas or electric equipment. The 43168 features a blue backlight, filter monitor, and the refresh programmable fan enables the user to circulate air during system off times.