{HEAD ~ The unburned particulate accumulation} within the exhaust for a combustion system, such as the liner of a flue for a stove, is monitored by a circuit which receives a temperature indicating {TAIL ~ signal} from a thermo couple mounted within the flue 
{ HEAD ~ The unburned particulate accumulation } within the exhaust for a combustion system , such as the liner of a flue for a stove , is monitored by a circuit which receives a temperature indicating { TAIL ~ signal } from a thermo couple mounted within the flue
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH