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Whole House Filtration and Disinfection

Baby in bath

Take control of your family’s health and wellbeing by ensuring the water in your home is safe and free from nasty contaminants and odours. While point-of-use water filtration is a great choice to ensure clean, safe drinking water, we are exposed to potential water borne diseases, unpleasant smells and impurities throughout the home – whether that be in the shower or bath, when cleaning our teeth or doing the dishes.  

Whether you rely on tank water or have access to mains supply, here is what you need to know about how to ensure your water is safe, healthy and tastes great.

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Don’t forget if you’re moving into a property – make it a priority to check your filters!

These filters came out of a house no-one had lived in for two years. The new owners asked us to service the pump and replace the filters ‘if necessary’. We think they may have dodged a bullet!!

Three stages of filtration

Three stages of filtration (Coarse, Fine, UV/Liquid Disinfection)

What you need to know

The main purpose of filtering your water is to make it microbiologically safe to drink, cook with, and bathe in.

The Ministry of Health recommends a two-barrier approach to this – namely, filtration (coarse and fine) followed by disinfection. Although we can provide a number of solutions that suit your requirements, the simplest solution is for cartridge filtration followed by ultraviolet disinfection.

Whole house filtration system servicing

The level of water treatment you require will depend on the source of your supply i.e. if you are solely reliant on rainwater, then you may have more impurities you wish to remove. If you are on mains supply then eliminating taste and odour may be your main goal. Whatever your requirements we can help find the right solution for your home.

Solutions for tank water

Solution for mains (council supplied) water

Fine FilterCoarse Filtration

Filtration is based on a micron rating, and is most commonly achieved with coarse pre-filtration, usually with a 20 micron washable, pleated cartridge for the bulk of suspended solids removal.

Coarse FiltrationFine Filtration

This is followed by a fine depth filter of one micron. This step is most important for the removal of giardia and cryptosporidium cysts, by trapping them in the filter.

Microlene AcquasafeUV/Liquid Disinfection

Disinfection is by exposure to ultraviolet light. This inactivates bacterial and viral contaminants. Microlene systems are designed to deliver consistency of water pressure based on existing flow rates. Alternative, but less popular methods of disinfection include the use of oxidizing chemicals such as Acquasafe (NB –this will not kill giardia and cryptosporidium cysts.

Find out why it’s now easier than ever to ensure your drinking water is safe with Davey’s latest range of UV sterilisation.

An additional option in the water treatment process can be purification – the removal of dissolved substances and gases which affect taste and odour. Activated carbon is a media which can remove chlorine and its byproducts, pesticides and sulphur. These media filters are often chosen for treating drinking water only. Some are able to remove giardia cysts, some pesticides, tastes and odours. They will NOT, however, remove bacteria and viruses.

Davey Aquashield water saving solutionFOR TANK WATER: Davey Aquashield 2.0
Competitive pricing, incredible benefits

The Davey Aquashield 2.0 has two superior plug-and-play packages for domestic water boosting and treatment. The perfect solution for rainwater harvesting or switching between tank and mains, the system delivers constant pressure, energy efficiency and water savings for medium to large homes.
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Microlene Centurion XS UV three-stage filtration and disinfectionFOR TANK WATER: Microlene Centurion XS UV System
Unbeatable value for whole house rainwater treatment

Rest assured your water will be safe and taste great with the Microlene Centurion XS UV System’s three-stage filtration and disinfection for domestic rainwater harvesting. Boasting easy ‘plug and play’ installation with sophisticated smart controller, this tidy unit is unbeatable on its value for money.


Girl drinking tap water over sink in kitchenFOR MAINS WATER: Microlene Max
Efficient, cost effective whole house filtration

Just because your home is on council mains doesn’t mean you have to settle for anything but the best when it comes to the quality of your water. The Microlene Max offers water quality improvement through sophisticated yet cost effective filtration, is easily retrofitted to your existing system and with high-flow rates you won’t sacrifice on water pressure.


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