Tag: Honeywell T8400C1099

Honeywell T8400C1099 Electronic Thermostats INSTALLATION INSTRUCTIONS The T8400 and T8401 Thermostats provide single-stage, non-programmable temperature control for 24V heatingcooling systems with manual changeover from heat to cool. Heating cycle rate is selectable at 1, 3, 4, 5, 6, 9, or 12 cph. Cooling cycle rate is fixed at 3 cph. Temperature indication can be set…