Gerry Gil and Steve Pajek: question for you guys

Daniel_3

I got the venting chart for balancing and there is a typo I would like to clarify. According to the chart in the back it says there is .014 cubic inches of air per linear foot of 1 1/2" pipe but in using the mathematic method for calculating radiator run-out air volume, it says "cubic feet". I'm currently doing a riser diagram and calculating air volume for my whole system and have come to a halt at this mix up. I assume that it is cubic inches but I could be wrong.

Thanks,
Daniel

gerry gill

its cubic feet

of air per linear foot.

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Daniel_3

In the chart on the back page it's cubic feet?