Autotrol 1000406 External Drain Line Flow Control Assembly
The Autotrol 1000406 is an external drain line flow control (DLFC) assembly engineered to regulate backwash flow rates in residential and light commercial water treatment systems. This 12 GPM unit threads directly into control valve drain ports with dual connection options for flexibility in system design.
Component Details
| Model Number | 1000406 |
| Flow Rate | 12 GPM |
| Primary Connection | 1" NPT Male |
| Reducer Connection | 3/4" NPT Female |
| Drain Configuration | External DLFC |
| Application | Control Valve Drain Regulation |
System Integration
This drain line flow control assembly is designed for use with Autotrol control valves requiring precise backwash drain flow management. The 1" NPT male connection fits standard drain ports, while the included 3/4" NPT reducer accommodates smaller drain line configurations. Commonly paired with softener and filter control valves in the Autotrol 200 and 400 series that specify external drain flow controls for regeneration cycles. Verify your control valve model requires the 1000406 specification before installation.
