AUTO VALVE 255/740

Model: 255/740
Made in: Pentair USA
Characteristics: Mechanical valves. Used for automatic control of filtration systems.
Synthetic plastic valve body
Flow rate: 1 3 m3/h
Timed settings (date, time)
Diameter: D34
Use for Top Mount style columns Simple installation, easy to use
Salt straw diameter: D13
Filtration rate/pressure: 3.52 m3/h /15psi
Backwash flow/pressure: 1.36 m3/h / 25 psi
Operating pressure: 20 120psi
Operating temperature: 20 380C
Regenerative cycle time: 7 days a week or up to 99 days
Electrical specifications: 230V50Hz input, 12V50Hz output
Base: 2.58NPSM


Used for activated carbon filtration, iron reduction or water softening equipment.
Operation of salt suction rinsing, automatic regeneration.


Timetested Duraflow flaps provide frictionless sealing for a longer service life. The polymer valve body is fiberreinforced for outstanding strength and durability, corrosionfree and UV resistant. Optical sensor for precise cycle positioning. Designed with double backwash capability to reduce hardness leakage. Fully adjustable 5 or 8 cycle controls for an efficient and reliable water treatment system. The continuous service flow rate is 15.5 GPM with a backwash of 6 GPM. The backwash capability contains softening vessels up to 14 and filters up to 10 GPM in diameter. Designed for systems of one or more Supercapacitor tanks to maintain the time of day during power outages. The environmental protection cover provides water resistance, corrosion resistance and UV stability. Programming is stored in memory and will not be lost during a power outage.
  • LCD display showing the time of day
  • Large LCD display for simple programming
  • Supercapacitor backup time during a power outage
  • Queue rendering is indicated by a flashing icon
  • Easy to install with cord kit that plugs into
  • Easy Electronic Programming
  • Displays the regeneration step and the remaining time in the regeneration process
  • Programming is stored in memory and will not be lost during a power outage
  • Adjustable reincarnation history Initial setting value System capacity and cycle step calculated by the controller
  • Day of the week or reproduction settings up to 99 days
  • Filter or conditioner settings are in control mode
  • Overwrite a calendar


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