Honeywell Thermostat Wiring Diagram 2300b

6 set heating fan control hg leave the jumper in this factory set position if you have a gas or oil furnace. The rth230b programmable thermostat can be used to control. Rth221 rth2300b1012 rth2300b1012a rth2300 series rth221 series rth221b1021.