Thermostat Remote Only For Basic Ei System - # SP1001H/LTH
Control Module # AF-4000MOD-1
Battery Back Up # AF-4000BBU-1 for Basic or Deluxe systems
Adaptor # AF-4000ADP24 for Basic or Deluxe systems
Wire Harness # AF-40008PIN24WH2 for Basic or Deluxe systems