Honeywell Thermostat 230V 2Pipe Digital w/3 SP & Fan On/Off Switch T6812DP08 The T6811/6812 work for the following applications: � 2-pipe cool only � Ventilation mode � 2-pipe heat only � Manual 3-speed fan control FEATURES Sleek modern design, suitable for office, hotel and Manual fan speed selection ?Residential buildings ?Adjustment of display room temperature ? Large LCD display with English and icon display ? Temperature display in either �C or �F ? Easy to install and set-up ? Permanent memory retention ? Electable room temperature or set point display