AF-480 Auto Fill Valve

The AF-480 unit provides automatic filling from potable pressurized systems to low pressure hydronic systems while providing safe isolation from potable systems via the built-in dual check with atmospheric vent.  The unit features an adjustable pressure range of 7 to 45 psi and ships preset to 12 psi.  Unique to the AF-480 is a built-in hydronic side pressure gauge which allows the precise setting of the system pressure without additional downstream gauges.

  • Built-In system pressure gauge
  • Preset to 12 psi
  • ASSE dual check with atmospheric vent
  • Adjustable from 7 to 45 psi

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