| Quick facts | Answer |
|---|---|
| Cost range | $100-$500 residential; $200-$700+ commercial |
| Time | Varies by repair - confirm timing in your quote |
| Who's qualified | A DHEC-certified backflow prevention assembly tester, required by South Carolina law |
West Ashley, SC: what's different here
West Ashley is a Charleston neighborhood in Charleston County, within the city limits of Charleston. Its ZIP codes are 29407, 29414, and 29455. It sits about 10 miles from downtown Charleston, roughly a 17-minute drive via the main highway. The West Ashley Library on Windermere Blvd. serves the area through the Charleston County Public Library system.
Who can legally do backflow device repair in West Ashley?
South Carolina code says repairs to a backflow prevention assembly must be made by a DHEC-certified backflow prevention assembly tester. A certified tester holds an up-to-date certification card issued by the Department. Ask the pro for proof of certification and insurance before work begins.
How much does backflow device repair cost per hour?
Backflow-service labor runs about $50 to $100 per hour, according to a national cost guide. Total repair bills run $100 to $500 for residential work. Commercial repairs typically run $200 to $700 or more.
What certification should a West Ashley backflow tester hold?
South Carolina tester certification lasts 3 years and requires a four-day course. Recertification requires a 25-question written exam plus testing of a double check valve assembly, pressure vacuum breaker, and reduced pressure principle assembly. The application fee is $150 per certification.
Why must backflow device repair be done by a certified tester?
The certification exists to ensure backflow assemblies continue to protect drinking water. South Carolina requires all backflow testing be done by a state certified backflow prevention tester. Testers must also use a differential gauge accurate to within 2% of full gauge scale or +/- 0.3 psi.
Is backflow device repair the same as testing?
No. Testing checks whether an assembly works; repair fixes a device that failed. Repairs must be done by a DHEC-certified tester under South Carolina law, and testing must be done by a state certified tester.
What to do next
- Ask the pro to show a current DHEC backflow prevention assembly tester certification card before any repair.
- Request an itemized quote separating labor (about $50-$100 per hour) from parts.
- Ask which assemblies the repair covers - double check valve, pressure vacuum breaker, or reduced pressure principle.
- Schedule the required post-repair test by a state certified tester.
- 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.
