Discovering that your drinking water has a strange chemical taste, a strong chlorine smell, or visible discoloration is deeply frustrating. You shouldn't have to second-guess the quality of the water your family uses every single day. Whether you are dealing with mineral scale from hard water, worried about older household pipe corrosion, or simply want to eliminate tap water contaminants, GRH Plumbing Group is here to help.
Our fully licensed plumbing team specialises in specifying and installing premium home water filtration systems across Sydney. We don't believe in one-size-fits-all solutions. We evaluate your household's unique needs, water usage, and budget to provide a system that delivers absolute purity.
Ready for crystal-clear, drinking water? Contact our team today on 0485 900 350 for a fixed, transparent quote, or fill out our online Enquiry Form. We do Upfront fixed pricing and we don’t start until you say go.
Choosing the right filtration setup can feel overwhelming with so many products on the market. We simplify the process by breaking down the two main types of systems we supply and install:
A whole house water filtration system is the ultimate, comprehensive solution for total property protection. Installed directly at your property's main water entry line, it purifies every single drop of water before it travels through your pipes. This means every shower, bathroom basin, washing machine, and garden tap runs completely clean, sediment-free water.
A whole-home setup relies on multi-stage filtration to target different issues:
🔹Sediment Prefilters: Trap silt, sand, and pipe rust before they enter your home.
🔹Activated Carbon Filters: Highly effective at eliminating harsh chemical odours and that chemical taste from town water supplies.
🔹UV Sterilisation Filters: Destroys microscopic bacteria and pathogens without adding chemicals.
If your primary concern is targeting the water you consume for drinking, cooking, and making coffee, an undersink water filtration system is a compact, highly efficient choice. These neat units fit discreetly inside your kitchen cabinet or island bench, delivering purified water directly to a dedicated tap or your main mixer.
Considered the absolute gold standard of targeted water purification, Reverse Osmosis (RO) systems use high pressure to force water through a semi-permeable membrane. This process filters out ultra-fine impurities, heavy metals, and hard water minerals that standard filters leave behind, making it a perfect addition to an under sink water filter system for pristine drinking water.
Call our team today on 0485 900 350 to discuss your whole house water filtration system options.

Investing in a high-quality water system provides massive long-term advantages for both your health and your property:
✔️ Long Term Savings: Stop wasting money on single-use plastic bottled water. A home filter pays for itself rapidly by providing unlimited pure water on tap.
✔️ Added Value to Your Home: Adding a complete home water filtration system can add value to your home while making it a unique selling point. Especially if you live in an area with poor water quality.
✔️ Extend Appliance Lifespan: Eliminating harsh minerals and sediments prevents scale build-up inside your dishwasher, hot water unit, and washing machine, saving you from premature replacement costs.
✔️ Protect Your Family's Health: Safeguard your household from heavy metals, chlorine by-products, and common impurities that cause skin irritation in the shower and ruin the taste of fresh food.
Are you ready to learn more about the benefits of home water filtration systems and what it can do for you and your home? Call us today on 0485 900 350 and speak to our expert team that understands the benefits it can do for you.
Absolutely. A whole house water filtration system is one of the most effective ways to strip harsh chemicals, rust, and fine sediments out of both your drinking and bathing water. Municipal tap water is heavily treated with chlorine to keep it safe during transit; however, once it reaches your home, that chlorine can strip natural oils from your hair and cause severe flare-ups for anyone with eczema or sensitive skin. By filtering your water, you significantly reduce chemical exposure throughout your entire household.
Beyond the immediate health benefits, a premium whole-home system acts as a protective shield for your property assets. Unfiltered water carries abrasive sediment particles and mineral contaminants that naturally accumulate inside your pipework, hot water units, and high-end tapware. Over time, this build-up triggers internal corrosion and forces your appliances to work harder. Investing in a mains water filter prevents this premature wear and tear, lowering your utility costs and extending the lifespan of your household plumbing.
If you are ready to install a whole home water filtration system, call our team today on 0485 900 350

The home water filtration system is installed right where the main water line enters your property. This means all the water is completely purified before it reaches any tap, shower, or appliance.
It cleans your water using a simple, multi-stage process:
Water passes through a sediment filter that traps physical debris like sand, silt, and pipe rust before it can enter your home's plumbing.
Next, an activated carbon filter bonds with dissolved impurities, removing harsh chlorine, heavy metals, and that unpleasant chemical taste or smell.
The system treats hard water minerals so they can't stick together. This stops destructive mineral scales from forming inside your hot water tank and appliances.
Crystal-clear, odourless water is then sent smoothly to every single shower head, kitchen tap, and washing machine in the house.

When looking at water filters, many homeowners wonder if they should just install a small undersink water filtration kit in the kitchen. While point-of-use filters are great for a single tap, a whole-house system is chosen for three specific reasons that smaller filters simply cannot match:
💧True "Set-and-Forget" Maintenance
With a single kitchen filter, you are constantly changing small cartridges every few months. A whole-house system uses heavy-duty, commercial-grade casings with massive capacities. You only have to think about a filter replacement once every 12 to 18 months, saving you constant maintenance headaches.
💧Fixing the Problem at the Source
If you only filter your kitchen tap, you are still bathing in heavily chlorinated water, washing your clothes in sediment-heavy lines, and letting mineral scale ruin your expensive hot water unit. A whole-house system fixes the root cause of poor water quality before it ever enters your property's plumbing network.
💧Unrestricted Water Flow
Cheap, generic filters heavily restrict your household water pressure, turning a strong shower into a frustrating trickle. By choosing a professional whole-home installation, we balance the filtration with your home’s main flow rate, giving you pure water across multiple bathrooms simultaneously with zero drop in pressure.
Ready to upgrade your home's water filtration system? Call our expert team today 0485 900 350

Our team at GRH Plumbing knows the importance of professionally supplying and installing your home water filtration system. We supply high quality home filtration brands that are reliable and last in the Australian conditions such as Puretec, Aquastream, and Zip Water. .
We install every home water filtration system cleanly, tucking the pipework away so it doesn’t stick out in your home. Whether you want to fix the hard water issues in an established Hills District home or set up a clean undersink system for a brand-new kitchen, we’ll make sure it’s done right the first time.
Ready to get rid of the chemical smells and tap sediment for good? Give our local team a call on 0485 900 350 for a chat, or drop your details into our quickonline Enquiry Form to lock in a time.
✔️ Fast and Reliable
✔️ Upfront Pricing - No Hidden Costs
✔️ Licenced and Qualified Plumbers
✔️ Experts in Home Filtration Systems
✔️ Friendly and Efficient