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Need A Little Help Here.

98silvz71

By 98silvz71
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98silvz71 Enthusiast

98silvz71

Posted
Posted

I know this doesn't have anything to do with trucks but I got a propane central heater that I cannot get it to relight. We turned the propane off and the tank because the pilot light never really shuts off. The tank is about 30 feet of line away from the heater. We turned the tank on, bleed the air out of the line, tried to get the pilot light to start and it took awhile but finally did. It was a little weak but I got it to maintain a flame. After I got it to start I tried to start the furnace up and the flame went out no matter if I had a flame next to the burners I can't get them to fire. What can it possibly be that I can't figure it out? Anyone have a good suggestion?

 

-Cam

grampadirt Senior Enthusiast

grampadirt

Posted
Posted
No blockages and no kinks, getting a good supply of propane. Just not sure of the pressure.

 

 

I had a similar problem with mine several years ago,turned out to be the Thermal Valve or something like that.Evidently it has to heat up enough to let the gas go thru.Wish you luck...

 

g'dirt

98silvz71 Enthusiast

98silvz71

Posted
  • Author
Posted
No blockages and no kinks, getting a good supply of propane. Just not sure of the pressure.

 

 

I had a similar problem with mine several years ago,turned out to be the Thermal Valve or something like that.Evidently it has to heat up enough to let the gas go thru.Wish you luck...

 

g'dirt

 

 

I've had problems with this valve period. It doesn't even have the electric igniter anymore. And the pilot will sometimes be out when I get there in the afternoon. I don't really know if they are generic or if I will find one for this furnace. Its pretty old.

pennzoil29 Senior Enthusiast

pennzoil29

Posted
Posted

Thermal coupler comes to mind here. That would be the small copper tubing that goes from the pilot light up to the gas valve. Good luck.

merlin5577 Senior Enthusiast

merlin5577

Posted
Posted
No blockages and no kinks, getting a good supply of propane. Just not sure of the pressure.

 

 

I had a similar problem with mine several years ago,turned out to be the Thermal Valve or something like that.Evidently it has to heat up enough to let the gas go thru.Wish you luck...

 

g'dirt

 

 

I've had problems with this valve period. It doesn't even have the electric igniter anymore. And the pilot will sometimes be out when I get there in the afternoon. I don't really know if they are generic or if I will find one for this furnace. Its pretty old.

 

 

Sounds like its time to buy a Kerosene/Diesel Heater!

merlin5577 Senior Enthusiast

merlin5577

Posted
Posted
Propane is still much cheaper then Diesel/Gas!

 

The sky is blue!

 

I can do it too! :D

 

But since you mentioned it; After a little research; Propane has 60% (roughly) the energy content of Diesel. National average price of diesel right now is approximately $3.48. National average price of Propane is approximately; $2.65.

 

So............ 2.65/3.48= 76% of the price for 60% of the energy.

 

Hmmmmmm.......... :thumbs:

merlin5577 Senior Enthusiast

merlin5577

Posted
Posted
Don't confuse me with that complicated math crap! I am only a College gwaduwat!

 

:thumbs:

 

 

:D

 

Back on topic; I hope you are able to figure the problem out soon Cam. Its

getting cold out.

98silvz71 Enthusiast

98silvz71

Posted
  • Author
Posted

Diesel heats the house. Propane heats the theatre. Not gonna spend anymore money on that place. Yea I know I need to fix it. It's been about 47 degrees at about 6ish at nite and people are freezing in the auditorium. I had to resort to getting one of those little ceramic heaters and leaving it on all day to warm it up to about 68.

98silvz71 Enthusiast

98silvz71

Posted
  • Author
Posted
how old is the furnace? there is a flame sensor that could be dirty or bad, if its new enough. Its roughly 1-2 inches long metal skinny looking cylinder near the burners opening

 

 

heres a good description of what you might have to do

 

http://www.rd.com/images/tfhimport/2000/No...mg002_size2.jpg

 

Its a 70s furnace. Installed when the theatre was built.

ZZ327 Senior Enthusiast

ZZ327

Posted
Posted

since its that old Ill agree with the thermocouple needs cleaned or replaced . Its got to get warm enough off the pilot to open up your gas valve to heat up the burners. And if you cant get the pilot to stay lit then thats probly your problem Its all in one with the pilot light. You might also be able to clean it up with rubbing alcohol and blow some air through the little copper line

 

http://content.managemyhome.com/Images/Sit...s/a_B343-01.jpg

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