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What the heck do those letters stand for?

HeatingHelp
Administrator Posts: 586
Comments
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What does 3H2C stand for? And what does it mean?0
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Lovely -- and potentially useful. Stick it in the reference section somewhere.
I've never been addressed as "your majesty", though. More often it's "that idiot"...Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England0 -
Thanks Dan and Erin,
Seeing P.P.M. reminded me of my days in underground mining dealing with Radon Daughters
in parts per million and mine gasses like Methane and Hydrogen Sulfide and measuring them with handheld Drager bellows vacuum pumps.0 -
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I see WOG, but couldn't find WAG.8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hourTwo btu/ per sq ft for degree difference for a slab0
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I think some are missing:
RFN = Right Fastly Now (really important)
OSRFN = Oh Shoot Right Fastly Now (even more really important)
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