Backflow Inspection Leppington Extra Quality 99%

| Device Type | Typical Test Fee (incl. GST) | Repair/Replacement Range | | ------------------------- | ----------------------------- | ------------------------- | | Single Check Valve | $150 – $220 | $200 – $400 | | Double Check Valve | $180 – $260 | $350 – $800 | | RPZ Device (½” to 1”) | $220 – $330 | $600 – $1,500 | | RPZ Device (1½” to 3”) | $280 – $400 | $1,200 – $3,000+ |

Sydney Water enforces the NSW Health Act 2010 and Australian Plumbing Standard AS/NZS 3500.1 , requiring properties with potential hazards to install (RPZ – Reduced Pressure Zone, Double Check Valve, or Single Check Valve). These devices must be tested annually by a qualified certifier. backflow inspection leppington

If the device fails, the certifier isolates it and tags it “DO NOT USE.” A licensed plumber must repair or replace it immediately, followed by a re-test. | Device Type | Typical Test Fee (incl