Professional
Servicing

EXPERT CARE. PEAK PERFORMANCE.

Professional servicing and maintenance for your BWT or Osmosis water filtration and softening systems.

AUTHORISED OSMOSIS

SERVICE SPECIALISTS

We provide professional servicing for the full range of Osmosis water filtration and softening systems, ensuring your investment delivers cleaner, healthier water for your home.

  • Osmosis water softeners (Pearl, AQA Perla, etc.)
  • Osmosis reverse osmosis systems (THERO 90, RO300, etc.)
  • Osmosis whole home water filters
  • Full system inspections & performance testing
  • Filter replacements & system sanitisation
  • Fault diagnosis & repairs
  • Maintenance plans available
Our products

Built for every home

From whole home systems to targeted filtration. we have the perfect solution for clean, healthy water.

Pearla

WHOLE HOUSE WATER SOFTENER

Advanced whole house softening that protects your home, appliances and plumbing from hard water.

Purezone

WHOLE HOUSE FILTRATION

Premium whole house filtration system that delivers clean, filtered water throughout your home.

Purezone Auto

WHOLE HOUSE FILTRATION

Using high-tech backwashing cycles, it flushes away contaminants automatically.

RO300

REVERSE OSMOSIS SYSTEM

High performance RO system that removes up to 98% of dissolved impurities for pure, great tasting water.

Thero 90

RO SYSTEM

Premium reverse osmosis with high flow rate and smart Bluetooth monitoring (PRO version).

BWT and other brands servicing

At Osmosis Water Filters, our relationship with you doesn’t end at installation; it begins there. To maintain the “bottled-quality” purity your family relies on, regular maintenance is essential. We specialise in the comprehensive servicing of the entire BWT (Best Water Technology) range, ensuring your high-performance European systems—from the Thero 90 to the Premium Purezone—continue to operate at peak efficiency. Our licensed Perth plumbers don’t just “swap filters”; we perform a full system health check, pressure calibration, and digital TDS water testing to verify that your home remains a sanctuary of pure water.

While we are Perth’s BWT experts, our technical expertise extends across the industry. We provide professional maintenance and cartridge replacements for all major water filtration brands found in Western Australia. Whether you have an existing whole-house system, an aging under-sink RO, or a commercial-grade filter, our team brings the same “Master-Plumber” precision to every service call. We use premium-grade replacement components to breathe new life into your current setup, ensuring that no matter the brand, your water is the cleanest it can possibly be.