MAS Plumbing RPZ Certified

RPZ Certification

RPZ stands for Reduced Pressure Zone and refers to devices that are used to protect your drinking water supply from potential contamination by lawn irrigation systems, indoor fire sprinkler systems and other equipment. Annual certification to install and service RPZ devices is required by law; MAS Plumbing is fully certified and our technicians are registered with Illinois EPA Division of Public Water. Our RPZ-related services include:

  • Installation and repair of RPZ devices
  • Testing and certification of devices
  • Required reporting to municipalities and testing companies
  • Annual reminders of required PRZ testing
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