Everyone, thanks for your interest
the example i give below requires the following given conventional info:
GPM PIPE SIZE
1.0 - 3.3 3/4"
3.4 - 7.0 1"
7.1 - 14.0 1-1/4"
now, here's a typical situation:
I am specifying three 4-pipe fancoil sizes for an 11 floor condo:
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