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          | Low Pressure Fittings for Residential and Light Commercial HVAC Applications |  
 
        
          | Starting Collar | Starting Collar with Damper
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          | Whether your existing system is round pipe, flexible duct, rectangular duct, or ductboard, you will need a take-off, starting collar, or tee saddle to begin... See below for optional installed damper. *Single Quad Damper **Double Quad Damper ***Heavy Duty Damper (click here for dampers)
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              | Starting Collar |  
              | D | L | Gauge | Part # |  
              | 3 | 2 | 26 | 2-0372 |  
              | 4 | 2 | 26 | 2-0472 |  
              | 5 | 2 | 26 | 2-0572 |  
              | 6 | 2 | 26 | 2-0672 |  
              | 7 | 2 | 26 | 2-0772 |  
              | 8 | 2 | 26 | 2-0872 |  
              | 9 | 2 | 26 | 2-0972 |  
              | 10 | 2 | 26 | 2-1072 |  
              | 11 | 2 | 26 | 2-1172 |  
              | 12 | 2 | 24 | 2-1272 |  
              | 14 | 2 | 24 | 2-1472 |  
              | 16 | 2 | 24 | 2-1672 |  
              | 18 | 2 | 22 | 2-1872 |  
              | 20 | 2 | 22 | 2-2072 |  
              | 22 | 2 | 22 | 2-2272 |  
              | 24 | 2 | 22 | 2-2472 |  | 
            
              | Starting Collar with Damper |  
              | D | L | Gauge | Part # |  
              | 3 | 3 3/4 | 26* | 2-03726 |  
              | 4 | 3 3/4 | 26* | 2-04726 |  
              | 5 | 3 3/4 | 26* | 2-05726 |  
              | 6 | 4 1/2 | 26* | 2-06726 |  
              | 7 | 5 1/4 | 26* | 2-07726 |  
              | 8 | 6 | 26* | 2-08726 |  
              | 9 | 6 3/4 | 26** | 2-09726 |  
              | 10 | 7 1/2 | 26** | 2-10726 |  
              | 11 | 8 1/4 | 26** | 2-11726 |  
              | 12 | 9 | 24** | 2-12726 |  
              | 14 | 10 1/2 | 24** | 2-14726 |  
              | 16 | 12 | 24** | 2-16726 |  
              | 18 | 13 1/2 | 22*** | 2-18726 |  
              | 20 | 15 | 22*** | 2-20726 |  
              | 22 | 16 1/2 | 22*** | 2-22726 |  
              | 24 | 18 | 22*** | 2-24726 |  |  
          | Other sizes available. | Other sizes available. |  
 
        
          | Coupling | End Cap |  
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                | Coupling |  
                | D | L | Gauge | Part # |  
                | 3 | 5 3/8 | 26 | 2-0341 |  
                | 4 | 5 3/8 | 26 | 2-0441 |  
                | 5 | 5 3/8 | 26 | 2-0541 |  
                | 6 | 5 3/8 | 26 | 2-0641 |  
                | 7 | 5 3/8 | 26 | 2-0741 |  
                | 8 | 5 3/8 | 26 | 2-0841 |  
                | 9 | 5 3/8 | 26 | 2-0941 |  
                | 10 | 5 3/8 | 26 | 2-1041 |  
                | 11 | 5 3/8 | 26 | 2-1141 |  
                | 12 | 5 3/8 | 24 | 2-1241 |  
                | 14 | 5 3/8 | 24 | 2-1441 |  
                | 16 | 5 3/8 | 24 | 2-1641 |  
                | 18 | 5 3/8 | 22 | 2-1841 |  
                | 20 | 5 3/8 | 22 | 2-2041 |  
                | 22 | 5 3/8 | 22 | 2-2241 |  
                | 24 | 5 3/8 | 22 | 2-2441 |  | 
              
                | End Cap |  
                | D | L | Gauge | Part # |  
                | 3 | 2 | 26 | 2-0371 |  
                | 4 | 2 | 26 | 2-0471 |  
                | 5 | 2 | 26 | 2-0571 |  
                | 6 | 2 | 26 | 2-0671 |  
                | 7 | 2 | 26 | 2-0771 |  
                | 8 | 2 | 26 | 2-0871 |  
                | 9 | 2 | 26 | 2-0971 |  
                | 10 | 2 | 26 | 2-1071 |  
                | 11 | 2 | 26 | 2-1171 |  
                | 12 | 2 | 24 | 2-1271 |  
                | 14 | 2 | 24 | 2-1471 |  
                | 16 | 2 | 24 | 2-1671 |  
                | 18 | 2 | 22 | 2-1871 |  
                | 20 | 2 | 22 | 2-2071 |  
                | 22 | 2 | 22 | 2-2271 |  
                | 24 | 2 | 22 | 2-2471 |  |  
          | Other sizes available. | Other sizes available. |  
          | Note: 2" bead added to any fitting, no charge upon request. |  |  
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