SC Heating Practice Questions - South Carolina Heating Contractor Examination Exam

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Condensate drain piping from a condensing heating appliance or cooling coil shall maintain a minimum slope of which amount, and the drain shall be not smaller than which size?

Level run is acceptable; 1/2-inch tubing 1/8 unit vertical in 12 units horizontal (1-percent slope); not less than 3/4-inch pipe size and not smaller than the drain-pan connection 1/2 inch per foot; 2-inch pipe minimum on every furnace No slope required if a condensate pump is not used

Correct Answer:

1/8 unit vertical in 12 units horizontal (1-percent slope); not less than 3/4-inch pipe size and not smaller than the drain-pan connection

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