Aquatrol 390 Softener Timer Mechanical Valves are made of solid lead-free brass for longevity, strength and durability. The AQT-390ST offers a NHWB piston option 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