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WG means Water Gauge. WG is an element of your measurement unit with the strain of admirer and pump. IN.WG which stands for inch h2o gauge may be the Imperial device for tension. By way of example, ducts are Ordinarily designed with 0.1 in.wg of force reduction per one hundred ft of duct length.AHU means Air Dealing with Device. AHU is a big-potent