Type: Posts; User: drz
The furnace is model 21LU105D4A2 ser# 5579-76-727 Np # 21B933/22 Guessing 1976
I have an older ge furnace that I can not figure out the wiring for fan and limit switch. There are 3 wires coming out of the switch. The red one marked limit goes to the 24v trnsformer, the green...