Aquatrol 390 SoftenerTimer NX Valves is a 3” control valve designed with precision piston, seal and spacer design. The AQT-390ST-NX can deliver a continuous flow rate of up to 250 gpm offers a fully adjustable 5 cycle controller that allows you to control the upflow backwash, downflow brining and slow rinse, rapid rinse, timed brine refill and downflow service.


  • 3″ Control valve
  • Lead free brass body
  • Adjustable 5 cycle control
  • Ideal for most softeners applications up to 60″
  • Continuous flow rate of 250 gpm
  • NHWB option available