Honeywell's TH5110D 1022 Focus Pro non programmable digital 24 volt or battery powered thermostat with extra large display. Single stage. System Heat-Off-Cool-Auto, Fan Auto-On. Can be configured for heat only. Large easy to read display. The TH5110D by Honeywell is available in large screen or standard. Precise comfort control (+/- 1? F) - maintains consistent comfort to the highest level of accuHoneywell's TH5110D 1022 Focus Pro non programmable digital 24 volt or battery powered thermostat with extra large display. Single stage. System Heat-Off-Cool-Auto, Fan Auto-On. Can be configured for heat only. Large easy to read display. The TH5110D by Honeywell is available in large screen or standard. Precise comfort control (+/- 1? F) - maintains consistent comfort to the highest level of accu... More Information! HONEYWELL THERMOSTAT MODEL FOCUS PRO 5000 , Lowest Price for HONEYWELL THERMOSTAT MODEL FOCUS PRO 5000 , HONEYWELL THERMOSTAT MODEL FOCUS PRO 5000 For Sale.