An HVAC OEM required a 610mm motorless cross-flow fan sub-assembly. Se...
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The customer rejected our first proposal, and they were right to. A tw...
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A drawing tells you what someone intended. A sample tells you what was...
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Two datasheets for the same fan show different current. That is not an...
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Some OEMs design their own air path and want the motor only. That chan...
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An adjustable switch is convenient for the installer. On a gas furnace...
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The usual rule says backward-curved above 200 Pa. Here the cabinet dep...
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