Water Filter Parts & Water Testing

Shop water filter spare parts, plumbing fittings, installation accessories and water-testing tools for Aquarius Water systems and compatible filtration equipment.

Find the part or testing tool you need

Installation & plumbing parts – quick-connect fittings, tubing, valves, T-connectors, drain saddles, diverters and installation accessories for compatible kitchen and whole-house filtration systems.

System service parts – filter housing components, O-rings, pressure gauges, pressure-relief components, cartridge wrenches, mixer-tap cartridges and other maintenance parts.

Water testing – pH, TDS, EC, chlorine and multi-function digital testing tools for checking selected water parameters. For the dedicated testing range, visit Water Testing Tools & Meters.

Jug & shower accessories – selected Alkanatur jug components and C360 shower-filter connectors are also available in this collection.

Check compatibility before ordering

Fitting size, thread type, tubing diameter and component compatibility vary between systems. If you are unsure which part you need, contact Aquarius Water or call 03 9981 3588 with your system model and, where possible, a photo of the existing part.

Looking for replacement cartridges rather than hardware? Visit Replacement Filters.