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The Fleck 3900 3” Duplex Commercial Metered Water Softener is for super heavy-duty applications such as hotels, restaurants, and many other applications where high flow rates with 3” or larger plumbing is needed. This is the dual tank version of the Fleck 3900 and it comes with Solid-State NXT2 Controllers and 3” Stainless Steel Clack Meters which make this one of the most popular and reliable 3” systems on the market today. It is fully modular and additional tanks can be added at any time.
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This is a 3" full flow Fleck 3900 duplex water softener with NXT2 controllers and 3" Clack meters. It is a very heavy duty system capable of continuous flow and is available in 450,000 to 1,200,000 Grains Capacities per tank.
| Model # | Resin* | Capacity* | Continuous Flow Rate* |
|---|---|---|---|
| 140-39-450-DX VIEW DRAWING |
15.0 cu/ft | 450,000 grains | 155 GPM |
| 140-39-600-DX VIEW DRAWING |
20.0 cu/ft | 600,000 grains | 185 GPM |
| 140-39-900-DX VIEW DRAWING |
30.0 cu/ft | 900,000 grains | 200 GPM |
| 140-39-1200-DX VIEW DRAWING |
40.0 cu/ft | 1,200,000 grains | 250 GPM |
| Peak Flow Rate* | Backwash Flow Rate* |
Resin Tank | Brine Tank |
|---|---|---|---|
| 210 GPM | 25 GPM | 30" x 72" | 39" x 48" |
| 250 GPM | 30 GPM | 36" x 72" | 50" x 60" |
| 270 GPM | 50 GPM | 42" x 72" | 50" x 60" |
| 280 GPM | 65 GPM | 48" x 72" | 50" x 60" |
*Stated values are for each tank