Quote:
Originally Posted by christyf5
You know, I have no idea where I got it originally but I have seen it perpetuated throughout various forums. Is this not the case??
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got it from me. 1 90 elbow puts an extra foot's worth of head into a circuit. Or close enough to calculate for our needs.
Of course now that I try to find where I got that from, I can't, and find other sites that tell me 4ft for a 90 at 1" ID...sigh
