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* 1. Information

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* 2. How can you repair holes in your furnace flue?

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* 3. What kind of gas can be emitted from a furnace?

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* 4. Before you open the access panel on the furnace, what do you need to do?

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* 5. If you have a combustion furnace, how often should you have a professional come out to inspect it?

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* 6. Comments

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* 7. What size filter does your home furnace require?

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