Hallo everybody. Is anybody can help me. I have a gas furnece and a hot air is not blowing all the time. I have a controller set up at "heat" it starts up a blower, the ignitor start up a flame but it shot off a gas in 10 sec. so generallo gas is not stays On, it switch it Off right away.
Any suggestions??

Clean the flame sensor if so equipped on your no brand no model number furnace.

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Originally Posted by bohdang

hallo everybody. is anybody can help me. i have a gas furnece and a hot air is not blowing all the time. i have a controller set up at "heat" it starts up a blower, the ignitor start up a flame but it shot off a gas in 10 sec. so generallo gas is not stays On, it switch it Off right away.
any suggestions????

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Sand paper or steel wool works well.

Yes I have one suggestion but not knowing what brand of furnace that you have I am going to have to just give you a general opinion.

Inside the furnace where the burners light there is a stiff wire sticking into one of the flames. This part is called the ignitor, it has one wire connected to it and it is mounted to the housing of the furnace with one screw. Using a nut driver unscrew the screw and get the ignitor out where you can clean it. Use a piece of sand paper to polish the wire part of the ignitor. It has a ceramic base so be careful that you do not break the base. After cleaning replace the ignitor and try the furnace. If this does not solve the problem let me know.

i.m sorry but I never deal with that before. How that flame sensor looks like or where its located. I have a Rheem furnece by the way

It might look like these

I have everything fixed already so Thank You so much for you help. I followed your instructions and everything is working perfect now. So one more time Thanks a lot...