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