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