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Thank you for purchasing a ductboard plenum kit from Alpine Home Air Products. These kits consist of two pre-cut pieces of ductboard material, from which you can make a Supply and Return plenum for your Blueridge Concealed Duct unit. These kits are correctly sized to fit the unit you purchased.
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Box contents: 1. Supply/Return ductboard with V-trench cuts. 2. Ductboard end cap piece Color legend: Red - Guide line for separating Supply and Return Green - Insulation removed to leave a 2” overlap of backing only...
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Step 1. Using a serrated knife, cut to separate the Supply and Return plenums. Using the pre-marked line will give you a 30” Supply and an 18” Return. You can make your own marks and change the length to suit your particular installation. Step 2.
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Step 7: Attach duct takeoffs according to the table below. Insert the tabbed end of the takeoff into the plenum and bend the tabs to make a secure fit. Finish with tape and mastic for an airtight seal. Air handler model # of takeoffs Diameter takeoff BMKH12CD1...
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