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The Zurn Wilkins P4000A Pressure Relief Valve prevents pressure build-up in a fire protection system or other closed type system whenever the line pressure exceeds the setting of the spring caused by pumps, elevated piping and thermal expansion.

  • Features & Benefits
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  • Designed for fire sprinkler system relief
  • Standard adjustability from 20-200psi
  • Body and cover materials: cast bronze, stainless steel
  • UL Listed, FM approved
Zurn Wilkins

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