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  Model S1-MS/S2-MS - Single/Double Deflection Grille with Lattice Face Plate  
       
 
Standard Features
  • S1-MS/S2-MS...Face Plate: 10 GA C.R.S. with 9/16" square holes on 11/16" centers
  • Front Louver Direction: Must Specify
    Vertical (V) - i.e. S1-MSV/S2-MSV
    Horizontal (H) - i.e. S1-MSH/S2-MSH
  • Frame: 20 GA C.R.S. with reinforced welded corners
  • Tamperproof Screws: #10 x 1-1/2" Pinned Flat Head TORX
  • Adjustable Louvers: individually adjustable, single or double deflection 24 GA C.R.S. louvers (spaced 3/4" on centers)

Finish

  • Standard: White Powder Coat Finish
  • Optional: Consult factory for other finishes
Optional Features
  • S1-MS/S2-MS - Face Plate Patterns:
    - 13/16" square holes on 1" centers
    - 1/4" diameter holes on 3/8" staggered centers
    - 5/16" diameter holes on 7/16" staggered centers
  • Material Gauges: face plate - 12 GA, 14 GA
  • Material: Stainless Steel, Aluminum, (consult factory for availability)
  • Extended Sleeve: (not shown) specify material/gauge/length
  • Opposed Blade Damper: front or rear operated
  • Adapter: square to round (shipped loose)

Construction

The S1-MS features a heavy duty 10 GA steel face plate behind which is installed either one set (S1-MS) or two sets (S2-MS) of individually adjustable louvers.

Installation

The S1-MS/S2-MS is designed to be installed through the wall and secured through the face with vandal-proof screws or from the back by the locking angles and welded by others to the optional sleeve. See Installation Overview.
 
Installation Overview
and
Tamperproof Screws