| Quick facts | Answer |
|---|---|
| Cost range | $50 to $200 per device |
| Time | Varies by device type and complexity |
| Who's qualified | State-certified backflow prevention tester |
SC Requirements for RPZ Valve Test
South Carolina requires that backflow testing be performed by a state-certified backflow prevention tester. The SC DES defines a certified tester as someone holding an up-to-date certification card issued by the Department. This ensures that all testing meets state standards.
What is the RPZ Valve Test in Charleston?
The RPZ test is part of a standardized differential-pressure test on approved backflow prevention assemblies. This test verifies the proper function of the device. RPZ assemblies are commonly tested annually in Charleston when they protect high-hazard connections.
Climate Factors Affecting Testing in Charleston
Charleston has a humid coastal climate with an average annual precipitation of 46.39 inches. This wet environment can increase stress on water-system protection equipment. The local climate demands year-round system monitoring and protection.
Tester Certification and Qualifications
To become certified, a backflow prevention tester must pass both a written exam and a proctored practical exam. This certification is valid for three years from the date of issue. State-recognized training classes are available to help achieve this certification.
What to do next
- Verify the tester holds an up-to-date backflow prevention assembly tester certification card issued by the SC DES.
- Ask the local pro for proof of license and insurance before the rpz valve test.
- Confirm the quote includes the standardized differential-pressure test required for RPZ assemblies.
- Inquire about the specific device type and installation complexity when getting a quote.
- Call (843) 286-4721 or email [email protected] for a free quote from a licensed, insured local backflow tester.
CHS Backflow is a free referral service: an independent contractor does the work and may pay us a referral fee. You never pay us anything.
