Hi. Check out this list: https://www.amazon.com/gp/registry/w.../26ILY16STA7L7
Yellow propane teflon tape
YouTube has some examples
Remove the Weber regulator and add these parts if you have a low pressure valve.
Interesting. I have read of people replacing their bad regulators with a generic one using adapters like that, since Weber's part is so expensive. That list could be helpful.