What is the purpose of the orifice

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Reference no: EM131376090

1. What is the purpose of the orifice? Why is it not a good idea to drill out orifices in the field?

2. What components are needed for a furnace to operate as a two-stage furnace?

3. Why are some condensate pumps not approved for furnace condensate?

Reference no: EM131376090

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What is the purpose of the orifice : What is the purpose of the orifice? Why is it not a good idea to drill out orifices in the field?
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