How RO Systems Are Installed Under Australian Kitchen Sinks

Why More Australians Are Choosing Under Sink RO Systems

Clean drinking water is no longer a luxury. Many Australian households are turning to reverse osmosis systems to remove chlorine, sediment, heavy metals, and other contaminants directly at the kitchen tap.

Unlike jug filters or basic systems, RO filtration delivers a much higher level of purification. It is installed neatly under your sink and provides consistent, high quality drinking water without relying on bottled water.

Where an RO System Sits Under Your Sink

An under sink reverse osmosis system is compact but includes several key components. These are installed neatly within your kitchen cabinet.

Main Components

Pre filters to remove sediment and chlorine
RO membrane to filter microscopic contaminants
Storage tank to hold purified water
Dedicated drinking water tap
Tubing and connections to your cold water line

The system is designed to fit within standard Australian cabinetry without disrupting your kitchen layout.

Step by Step RO Installation Process

Professional installation ensures the system performs correctly and complies with Australian plumbing standards.

Step 1 Water Supply Connection

The installer connects the system to your cold water line using a secure valve. This allows water to flow into the filtration system without affecting your main tap performance.

Step 2 Drain Line Setup

A drain line is installed to remove waste water produced during the filtration process. This is typically connected to your sink drain pipe.

Step 3 Filter System Mounting

The filtration unit is mounted securely inside your cabinet wall or base. This keeps everything stable, accessible, and tidy.

Step 4 Storage Tank Placement

The storage tank is positioned inside the cabinet. This tank holds filtered water so it is instantly available when you turn on the tap.

Step 5 Dedicated Tap Installation

A small, separate tap is installed on your sink or benchtop. This is used specifically for filtered drinking water.

Step 6 System Testing

The installer flushes the system, checks all connections, and ensures water pressure and flow are correct.

How Long Installation Takes

Most under sink RO systems can be installed within 2 to 3 hours.

Time can vary depending on:

Cabinet space and layout
Sink material for tap installation
Accessibility of plumbing connections

Professional installers ensure everything is done efficiently and correctly the first time.

Why Professional Installation Matters

While some systems are sold as DIY, proper installation is critical for performance and reliability.

Prevents leaks and water damage
Ensures correct water pressure
Protects your warranty
Complies with Australian plumbing standards
Delivers optimal filtration performance

This is why Great Water Filters focuses on professionally installed systems.

Choosing the Right System For Your Home

Not all RO systems are built the same. Choosing the right system depends on your water quality, household size, and expectations.

Entry Level Option

ES2 suits smaller households or basic drinking water needs. It provides solid filtration but with lower capacity.

Balanced Performance

ES3 offers a stronger balance of filtration and flow. Ideal for families wanting consistent, reliable drinking water.

Premium Whole Home Protection

For customers wanting more than just drinking water, the ES5Q system provides filtration across the entire home. While not an RO system, it protects plumbing, appliances, and delivers clean water at every tap.

Common Questions About RO Installation

Will It Damage My Sink

No. Installers use proper tools and methods to safely install the tap without damaging your sink or benchtop.

Is There Much Maintenance

Filters and membranes need periodic replacement. Most systems require servicing every 6 to 12 months.

Does It Waste Water

RO systems do produce some waste water, but modern systems are far more efficient than older models.

RO vs Basic Filters and Bottled Water

Many people start with jug filters or bottled water but quickly realise the limitations.

Jug filters have limited filtration capability
Bottled water is expensive long term
Basic filters do not remove as many contaminants

RO systems provide a more reliable and consistent solution for clean drinking water at home.

Get Clean Drinking Water Installed the Right Way

A properly installed RO system gives you peace of mind every time you turn on your tap.

No guesswork. No ongoing hassle. Just clean, filtered water ready when you need it.

Book Your Installation

Talk to the team and get the right system installed for your home.

Professional installation
No upfront payment
Only pay when installed

FAQS

Can I install an RO system myself While some systems are sold as DIY, professional installation is strongly recommended. It ensures correct setup, avoids leaks, and protects your warranty.

Do I need a separate tap for RO water Yes. A dedicated tap is installed for filtered drinking water. This keeps it separate from your main kitchen supply.

Will the system fit under my sink Most Australian kitchen cabinets have enough space. Installers position the system to maximise available room without clutter.

Does installation require drilling In most cases, a small hole is drilled for the dedicated tap. This is done carefully to avoid any damage to your sink or benchtop.

How often do filters need replacing Pre filters are usually replaced every 6 to 12 months. The RO membrane lasts longer but will still need periodic replacement depending on usage.

Will it affect my water pressure The system is designed to maintain good flow at the dedicated tap. Professional installation ensures correct pressure and performance.

Is there ongoing maintenance required Yes, but it is simple. Regular servicing keeps the system performing at its best and ensures water quality stays high.

How much water does an RO system waste All RO systems produce some waste water during filtration. Modern systems are more efficient and minimize unnecessary waste.

Can I upgrade to a whole home system later Yes. Many customers start with under sink filtration and later upgrade to a whole home system like the ES5Q for clean water at every tap.

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