Re: Here is one for you math nuts

I used slightly different method to arrive at roughly the same result,

I got 30.6838 PSI

.707*100' = 70.7 feet WC

.434 *70.7 = 30.6838 PSIG

I used slightly different method to arrive at roughly the same result,

I got 30.6838 PSI

.707*100' = 70.7 feet WC

.434 *70.7 = 30.6838 PSIG

Originally posted by

**Devine Plumbing**View Post
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