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Step 6 – measure leakage factor in cfm/100 sq ft, Step 7 – test passes, If ducts fail, measure the leakage class – Retrotec Commercial 441 and 451 DucTester User Manual

Page 45

Step 6 – measure leakage factor in cfm/100 sq ft, Step 7 – test passes, If ducts fail, measure the leakage class | Retrotec Commercial 441 and 451 DucTester User Manual | Page 45 / 56 Step 6 – measure leakage factor in cfm/100 sq ft, Step 7 – test passes, If ducts fail, measure the leakage class | Retrotec Commercial 441 and 451 DucTester User Manual | Page 45 / 56
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