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 molecule comprising two lithium atoms covalently bonded together. Li2 is known in the gas phase. It has a bond order of 1, an internuclear separation of 267.3 pm and a bond energy of 101 kJ mol−1.[1]
Higher numbers of covalently bonded 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?

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Originally Posted by hvac1000

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 molecule comprising two lithium atoms covalently bonded together. Li2 is known in the gas phase. It has a bond order of 1, an internuclear separation of 267.3 pm and a bond energy of 101 kJ mol−1.[1]
Higher numbers of covalently bonded 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

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

Quote:

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Originally Posted by KC13

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

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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.