Protect Your Rainwater Supply with Davey’s AquaShield UV System

Collecting rainwater is a great way to stay connected to nature and reduce your water bill. But rainwater can carry tiny germs that might make you sick. That’s why many Kiwi homes use UV systems to keep their tank water safe.

The Davey Microlene AquaShield Centurion 3-Stage UV System is one of the smartest ways to protect your home’s water supply — no chemicals, no worries. It filters and disinfects your water in one easy system. In this blog, we’ll break it all down so you can see if it’s the right fit for your home.

What Is UV Water Treatment?

UV stands for ultraviolet. UV light is invisible to the eye, but it’s powerful. In water treatment, UV light shines through your water and kills harmful germs like bacteria and viruses. It’s quick, safe, and doesn’t change the taste of your water.

UV is used around the world in everything from town water supplies to remote cabins. And when combined with good filters, it’s one of the best ways to keep your rainwater safe to drink.

Meet the Davey Microlene AquaShield Centurion

The Davey AquaShield UV System is made for New Zealand homes that rely on rain or bore water. It uses three filters and one UV lamp to give you clean, safe water at every tap.

This unit can be installed indoors, or outside with a protective cover. It works quietly in the background, treating up to 56.8 litres per minute — plenty for most family homes.

Key Features of the AquaShield Centurion

Three-Stage Filtration + UV

The system filters out dirt and fine particles using a 20 micron pleated filter and a 1 micron polyspun cartridge. After that, the UV light finishes the job by killing any bacteria or viruses still in the water. It’s a full treatment system in one tidy unit.

Smart Controller with LED Display

It’s not just smart – it tells you what’s going on. A digital screen shows the life of your UV lamp and alerts you when it’s time to change it. A tri-colour LED (green, amber, red) makes it easy to see system status at a glance.

Built to Last

The UV chamber is made of strong 316L stainless steel, so it’s tough and durable. It’s built to handle up to 100 PSI of pressure and designed to last for years, with a 10-year warranty on the chamber.

Great for Indoor or Outdoor Use

If you want to install the system outside, you can add a protective weatherproof cover. This makes it ideal for homes with tank setups or no space inside the house.

Fast Water Flow

The system is made for whole-house use. It handles up to 56.8 L/min at a UV dose of 30 mJ/cm², which is more than enough for regular use like showers, sinks, and appliances all at once.

Why It Works for New Zealand Homes

Many homes across New Zealand rely on tank or bore water. While these sources are natural, they are not always free from contaminants. The AquaShield Centurion is designed to work alongside a water filter NZ system to help provide safer drinking water.:

• Rainwater tank setups
• Rural or lifestyle blocks
• Homes wanting chemical-free water
• Households needing peace of mind with every glass

Plus, because it doesn’t add chlorine or any chemicals, your water stays fresh and natural-tasting.

How to Maintain the AquaShield

• Change the UV lamp about every 14 months (or 10,000 hours).
• Replace the filters regularly — usually every 6–12 months.
• Clean the quartz sleeve every few months to keep the UV working well.

The system will remind you when the lamp is nearly due for replacement, so you don’t have to remember.

FAQs

Q: Does this system work with rainwater?
A: Yes! It’s made for rainwater and bore water supplies.

Q: Do I need a plumber to install it?
A: We recommend it. A registered plumber will make sure it's safely and properly installed.

Q: Does it change the taste of the water?
A: No. It keeps your water chemical-free and taste-free — just clean and safe.

Q: What if I want to install it outside?
A: You can add an optional weatherproof cover for outdoor use.

Final Thoughts — Clean Water Made Simple

The Davey Microlene AquaShield Centurion 3-Stage UV System is a powerful, low-fuss way to protect your rainwater supply. It’s smart, efficient, and easy to manage — perfect for Kiwi homes that value clean, safe water.

If you're using tank or bore water, this system gives you confidence in every drop.