Reduced Pressure Zone

RPZ Certification Elgin Illinois
  • Required reporting to municipalities and testing companies
  • Testing and certification of devices
  • Installation and repair of RPZ devices
  • Annual reminders of required PRZ testing
Since 1999

RPZ Certification, Installation & Maintenance Service Elgin IL

What is RPZ?

RPZ stands for Reduced Pressure Zone and it refers to valves or other devices that are used in plumbing to prevent contaminated water from getting into drinking supply.These devices are typically utilized in fire sprinkler systems, laen irrigation systems, and other equipment. It is vital for these devices to be properly installed and maintained in order to fulfill its purpose, which is why law requires certification for companies to perform the installation and maintenance, and the devices need to be certified and annually checked as well.

Affordable & Prompt RPZ Certification.

If you need maintenance on your RPZ device, the professionals at MAS Plumbing are registered with Illinois EPA Division of Public Water and MAS Plumbing is fully certified. You can trust MAS Plumbing to make sure that contaminated water never goes where it is not supposed to, all at an affordable price! Call MAS plumbing today for RPZ service in Elgin Illinois and rest assured that your devices are compliant.




To ensure safe water, a backflow preventer test is required at least annually in almost all towns and villages in the Chicago area.

You can guarantee that your backflow preventer is working properly by calling MAS Plumbing, who is fully equipped and qualified to certify your backflow device. Rest easy knowing your device is compliant, and your backflow doesn’t allow getting contaminated water anywhere it is not supposed to go. You can assure prompt and professional service when you call MAS Plumbing, our number one goal is the safety and compliance of your property!




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