As many contractors attest, a supply air plenum is a sheet metal box attached to a furnace or air handler’s outlet and is used as a central manifold connector for other ductwork. As the air blows from ...
HOUSTON — RectorSeal LLC, a manufacturer of HVACR and plumbing accessories and a wholly owned subsidiary of CSW Industrials Inc., introduced a trio of patented and UL®-recognized SSP Series ...
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