Condair Nortec SAM-e - Page 13

9 | Nortec SAM-e Installation
1
Fasten support brackets to header using 5/16” washers and 5/16” nylon lock-nuts.
2
Place header on duct floor and drill 4 x 1/2” (12.7 mm) holes through floor.
Secure header to floor using fasteners (by others).
Use caulking to seal holes in ductwork.