Expert Advice on Installing an Under Sink Water Filter

Under sink water filter installation is a great way to ensure clean, purified water in your home. It’s a popular choice for many Australian households due to its efficiency and convenience. This guide provides expert advice on installing these filters, ensuring you get it right the first time.

Understanding Under-Sink Water Filters

Under-sink water filters are like silent guardians for your tap water. Hidden away under your kitchen counter, these filters are hard at work ensuring the water you drink is clean and tastes good. Here’s a simple breakdown of what they do and the choices you have.

First off, you’ve got two main types. The straightforward ones hook right up to your cold water pipe – easy peasy. They’ll catch a bunch of common contaminants and can make your water taste better. Then there are the reverse osmosis filters, the heavy-duty option. They’re a bit more complex to install, but they really go the extra mile, getting rid of almost all impurities.

The capacity of these filters – that’s how much water they can clean – varies. Some might need a swap of the filter elements after a couple of months; others can last a whole lot longer.

Preparation for Under Sink Water Filter Installation

  1. Choose the Right Filter: Consider your water quality and what you want to filter out. For instance, if you have hard water, look for a filter that can handle scale buildup.
  2. Gather Necessary Tools: You’ll typically need adjustable wrenches, a drill, and possibly a screwdriver.
  3. Shut Off Water Supply: Before beginning the installation, turn off the cold water supply to prevent leaks and spills.

Installation Steps

  1. Remove the Existing Plumbing: Carefully remove the existing pipes or tubes under your sink. Ensure you have a bucket handy to catch any residual water.
  2. Install the Filter’s Faucet: Many systems come with a dedicated faucet for filtered water. Drill a hole in your sink or countertop to install this faucet, following the manufacturer’s instructions.
  3. Connect the Filter: Attach the filter to your cold water line. This might involve cutting pipes and fitting new connectors. Ensure all connections are tight to prevent leaks.
  4. Mount the Filter Unit: Secure the filter unit to the wall under the sink for stability.

Testing and Troubleshooting 

After installation, it’s important to:

  1. Check for Leaks: Turn on the water supply and inspect all connections for leaks. Tighten any fittings if necessary.
  2. Flush the System: Run water through the system for a few minutes to clear out any carbon particles or air from the new filter.

Finishing the Under Sink Water Filter Installation

Once you’ve tested and ensured there are no leaks, and the system is flushed:

  1. Secure All Components: Make sure all parts of the filter system are firmly attached and in place. This includes the filter canisters, pipes, and the faucet.
  2. Label the Shut-Off Valve: Label the cold water shut-off valve for easy identification in the future. This is helpful for maintenance or in case of an emergency.

Maintenance Tips

Proper maintenance is key to ensuring your under-sink water filter continues to operate effectively:

  1. Regular Filter Replacement: The most crucial aspect of maintenance is replacing the filters as per the manufacturer’s guidelines.
  2. Clean Regularly: Keep the area around the filter clean and dry. Wipe down the faucet and check for any mineral buildup.
  3. Monitor Water Flow: A significant decrease in water flow can indicate it’s time to change the filter.

Benefits of Under-Sink Water Filters

  1. Improved Water Quality: These filters significantly reduce contaminants like chlorine, lead, and other chemicals, improving the taste and safety of your water.
  2. Convenience: Once installed, you have continuous access to purified water directly from a separate tap.
  3. Space-Saving: Being installed under the sink, these systems don’t take up valuable counter space.

Why Consider Sodatap for Your Filtration Needs

When choosing an under-sink water filter, consider what Sodatap has to offer:

  1. Advanced Filtration with Nanoscreen+™ Technology: Sodatap’s cutting-edge twin stage filter system incorporates our Trademarked Nanoscreen+™ technology. This state-of-the-art filtration ensures the water you consume is clean and pure, free from chlorine, pesticides, and harmful bacteria like e-coli and staphylococcus. The system reduces chemicals by up to 90% and eliminates 99.9% of harmful bacteria.
  2. High-Quality Filtration: Beyond just purifying, the Nanoscreen+™ technology, using activated, non-toxic nano silver impregnation, prevents bacteria re-growth, ensuring long-term water purity.
  3. Eco-Friendly Design: Our filters are sustainably manufactured, reflecting our commitment to environmental responsibility.
  4. Ease of Installation and Maintenance: The Sodatap systems are not only top-notch in purification but also user-friendly when it comes to installation and maintenance. We’ve made filter changes super simple and will even remind you when it’s time for a replacement.
  5. Excellent Customer Support: At Sodatap, we pride ourselves on providing exceptional customer support. We’re here to offer guidance and help with any issues you might encounter, ensuring a smooth experience with our products.


Installing an under-sink water filter can be a rewarding DIY project that brings numerous benefits to your home. With the right preparation, tools, and maintenance, you can ensure a continuous supply of clean, filtered water. Remember, choosing a high-quality system like those offered by Sodatap can make a significant difference in terms of water quality, ease of installation, and long-term maintenance. By following these expert tips, you’re well on your way to enjoying fresh, purified water straight from your kitchen tap.