Step 3 – connect ductester to ducts, Step 4 –tubing, control and power connections, Step 5 – set up test pressure and area in gauge – Retrotec Commercial 441 and 451 DucTester User Manual
Step 3 – connect ductester to ducts, Step 4 –tubing, control and power connections, Step 5 – set up test pressure and area in gauge | Step 5 | Retrotec Commercial 441 and 451 DucTester User Manual | Page 44 / 56
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