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2 answers

Usually 190 -200 deg. F. depending on the style of fan control and brand and age of furnace.

2006-10-13 01:10:40 · answer #1 · answered by Ibeeware 3 · 0 0

170-190 it should always be 20degrees diff

2006-10-13 01:15:07 · answer #2 · answered by jordan23 3 · 0 0

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