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Heating Acronyms

Heating Acronyms 1 Article

  • What the heck do those letters stand for?

    "A" Dimension= distance water will rise in the drip at the end ofthe steam main, when there IS left-over steam pressure at the drip. AAV = automatic air vent (UK) ABS = Acrylonitrile-Butadiene-Styrene pipe...