The fan and the draft fan comes on but no heat... the gas vaule is no open either... citation rheem 100 BTU 80 % furnace about 8 yrs old spark enighter not clicking... tks... richard... is summer here but I was just cking it to see if it still work... besause the g and e compancy just put on a new thermo stat for the on and off cycle when the power demand is high in the aera... they will cycle it of a few minuets when needed to save power... tks richard