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I believe we need to start from scratch with @beautifullife534

You can use the same valve that you use to light the pilot as the manual valve. It is the same valve you turn to pilot and press down to light the pilot.

• So the first step is to turn that of OFF and wait 5 minutes to clear any gas from the combustion chamber.
• Next is to turn the valve to pilot and push down to let gas flow to the pilot burner and light that with a flame.
• Once the pilot is lit, the thermocouple needs to get hot enough to generate 30 MV (millivolts) of power in order to hold the pilot valve open.
  • The thermocouple has two dissimilar metals inside it that generates electricity when it gets hot.
  • The pilot flame can make it very hot.
  • If the pilot burner is dirty and the pilot flame is too short to engulf the thermocouple in the pilot flame, the metals will not get hot enough to generate enough electricity to keep the pilot burner valve open and it will go right out.

• Another problem can be that the thermocouple is worn out and no amount of heat will cause it to make enough electricity to keep the pilot valve open

Here is a link to a regular thermocouple that you can replace Thermocouple

If you find that the pilot is not large enough to heat up the business end of the thermocouple, then you need to have the pilot burner cleaned.

If the pilot is big enough to heat up the thermocouple, then your thermocouple is bad and needs to be replaced.

Hope This Helps

Mr. Ed

PS. If you attempt to clean the pilot burner, do not put anything metal inside the tiny pilot burner orifice to open it up. Doing that may damage the orifice and make the hole too big. Using a damaged pilot burner is HAZARDOUS and may cause damage, injury or death.