Presidential III Model 7900
Posted: Mon Nov 22, 2010 9:54 pm
First and Foremost ...THANK YOU FOLKS FOR A GREAT SERVICE TO THOSE OF US TRYING TO SAVE MONEY AND DO IT OURSELVES......THANK YOU...
Now on to the problem at hand.....
My elderly mothers mobile home has a Presidential III.Model 7900 Gas Furnace.....after lighting the pilot light around 2 weeks ago and starting the heater up.....It worked just fine...cycled thru and did as it should.....an hour later it would not work...found the pilot light out ...Lit it and continued on....next morning..No HEat...Pilot light out again...decided the thermocoupler may be the culprit..Replaced it...made sure it was seated well..lit the pilot light..positioned the Thermocoupler tip into the flame of the pilot light.....glowing a nice dull red...set the temp..burner came on...all worked just fine..for a couple of cycles....then the pilot light went out again....lit it again and this time watched it closely when the burner and blower came on....flame didnt seem to dance around..nice blue flame...watching the burner and pilot while the burner is on...it seems that the pilotlight goes off and the thermocuopler tip begins to cool...when the burner kicks off....so does the pilot light and all is done and finished....turn the on off pilot knob to pilot ..press it in....start it all over again......PLEASE HELP....What else am I missing...
Now on to the problem at hand.....
My elderly mothers mobile home has a Presidential III.Model 7900 Gas Furnace.....after lighting the pilot light around 2 weeks ago and starting the heater up.....It worked just fine...cycled thru and did as it should.....an hour later it would not work...found the pilot light out ...Lit it and continued on....next morning..No HEat...Pilot light out again...decided the thermocoupler may be the culprit..Replaced it...made sure it was seated well..lit the pilot light..positioned the Thermocoupler tip into the flame of the pilot light.....glowing a nice dull red...set the temp..burner came on...all worked just fine..for a couple of cycles....then the pilot light went out again....lit it again and this time watched it closely when the burner and blower came on....flame didnt seem to dance around..nice blue flame...watching the burner and pilot while the burner is on...it seems that the pilotlight goes off and the thermocuopler tip begins to cool...when the burner kicks off....so does the pilot light and all is done and finished....turn the on off pilot knob to pilot ..press it in....start it all over again......PLEASE HELP....What else am I missing...