Backflow Inspection: Leppington |top|

A backflow inspection is not a visual check alone; it is a technical procedure that must be performed by a .

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