I try to light my pilot light and it won't take....it lights up, but when I disengage the control it burns out before I can change settings.....I have had it lit in the past, but this year it is being stubborn.....and I understand that you have to allow for it to prime first for about 1 to 2 minutes....
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Re: pilot light won't take
If it goes out after being lit for 30 seconds, you need a new thermocouple. That's the tubelike piece that the flame touches. You can possibly just put in a universal thermocouple. They cost less than $5 at most hardware stores.
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The pilot flame must touch (burn) the tip
oqef the t-couple to hold the magnet in the gas value open.make sure the pilot orifice (hole) is clear.the pilot pressure (in the tube) is factory set full open & can only be adjusted down (less). Also check the gas **** didn't get closed or turned half way.? Assuming its not the t-couple. If all is good & it still won't stay on. Replace the gas value.!
I don't know if there is a pilot light, spark ignitor or thermal ignitor. I would determine by inspection what kind it has. If you open the front cover you will find a gas valve. It can be identified by following the gas pipe that enters the side of the heater and attaches to the gas valve. If the valve has a control knob on it that has an off, on and pilot position then it is a pilot type. If this control is not on the valve then the unit includes an automatic ignitor.
To light a pilot equipped system place the knob in the pilot position, push it down, and use a flame to light the pilot. If you hear gas flowing from the pilot but it won't light then there is air in the line and it needs to be purged. Holding the pilot lighting valve down long enough will purge it but may take a long time. Periodically you can check it by trying to light it. If it lights watch it for a while before trying to turn the heater on to make sure it is fully purged. Once the pilot is stable and the thermocouple is heated the pilot valve can be released and it should stay lit. If not, try again.
Don't get down and look into the burners while you are trying to start the system because it could flame out and burn your face. If you turn on the heater again then the gas valve should come on and the burner should light. You can usually hear a loud snap when the gas valve come on. You should then hear the gas flow to the burner. If the burner doesn't light you should be able to smell the gas. If it lights exhaust will be coming out of the vents in the top of the heater.
I am sure you will have more questions so please respond with them. I hope this helps.
It won't be the pilot light, It will be the gas valve control, if the pilot light actually lights but the burners won't light,, then you need to check the thermocouple , its that little round thing that sits inside the flame of the pilot light, and has (usually) a copper tube that runs back to the actual gas valve, If its gone bad, the signal to the gas valve is lost so the gas never gets released so nothing lights
Turn the control valve to the PILOT position and push down and hold it in. Press the Ignitor Button and continue to hold the Control knob down, once the pilot lights. Wait one minute, release the Control Knob and if the pilot remains burning, turn the Control Knob counterclockwise to the ON Position. If after the burners light and burn for a few minutes, you can turn the Control Knob back (Clockwise) to the Pilot position (if you don't want the heater to come on automatically) and the pilot should remain lit.
you can only test this with a volt meter capable of testing milivolts. or replace the thermocouple. the thermocouple is what the pilot flame is burning onto. the pilot flame could also be weak due to a dirty pilot orifice in which case the flame will appear lazy and yellow /orange. the thermocouple should test 30mv + - 10% you should contact a service company if replacing the thermocouple doesnt fix because gas isnt somthing a un-qualified DIYer should risk there home with.