My furnace only blows cold air how do I fix

Well you can start by supplying some actual information.

Information? What is that? I am having a hard time starting my crystal ball. The dilithium crystals are low again.

Dilithium, Li2, is a diatomic (http://en.wikipedia.org/wiki/Diatomic) molecule comprising two lithium (http://en.wikipedia.org/wiki/Lithium) atoms (http://en.wikipedia.org/wiki/Atom) covalently bonded (http://en.wikipedia.org/wiki/Covalent_bond) together. Li2 is known in the gas (http://en.wikipedia.org/wiki/Gas) phase (http://en.wikipedia.org/wiki/Phase_(matter)). It has a bond order (http://en.wikipedia.org/wiki/Bond_order) of 1, an internuclear separation of 267.3 pm (http://en.wikipedia.org/wiki/Picometre) and a bond energy (http://en.wikipedia.org/wiki/Bond_energy) of 101 kJ mol−1.[1] (http://en.wikipedia.org/wiki/Dilithium#cite_note-0)
Higher numbers of covalently bonded (http://en.wikipedia.org/wiki/Covalent_bond) lithium atoms exist, albeit in small quantities. It has been observed, for example, that 1% of lithium in the vapor phase (by mass) is in Crystal Balls

Interesting. Would you charge that by superheat or subcooling?

Information? What is that? I am having a hard time starting my crystal ball. The dilithium crystals are low again.

Dilithium, Li2, is a diatomic (http://en.wikipedia.org/wiki/Diatomic) molecule comprising two lithium (http://en.wikipedia.org/wiki/Lithium) atoms (http://en.wikipedia.org/wiki/Atom) covalently bonded (http://en.wikipedia.org/wiki/Covalent_bond) together. Li2 is known in the gas (http://en.wikipedia.org/wiki/Gas) phase (http://en.wikipedia.org/wiki/Phase_(matter)). It has a bond order (http://en.wikipedia.org/wiki/Bond_order) of 1, an internuclear separation of 267.3 pm (http://en.wikipedia.org/wiki/Picometre) and a bond energy (http://en.wikipedia.org/wiki/Bond_energy) of 101 kJ mol−1.[1] (http://en.wikipedia.org/wiki/Dilithium#cite_note-0)
Higher numbers of covalently bonded (http://en.wikipedia.org/wiki/Covalent_bond) lithium atoms exist, albeit in small quantities. It has been observed, for example, that 1% of lithium in the vapor phase (by mass) is in Crystal Balls

Yeah, yeah, just clean the flame sensor already!;)

Yeah, yeah, just clean the flame sensor already!;)

Did you say clean the flame sensor. CA-Ching like the China people say to USA every day.

I enabled you to post that pic again. You have to share the nickel with me.

I only get a dime so you get 2.5 cents. I am cutting the penny in half as we speak.