Whole House Water Filtration 3 Stage Big System
- Standard delivery time: 2-4 business days
- Receive free shipping on orders above $150
Shipping & Delivery
Shipping & Delivery
Shipping Rates
- Free delivery on all orders over $150.
- Flat fee of $10 for North Island orders under $150.
- Flat fee of $15 for South Island orders under $150.
- We can only deliver to physical addresses — unfortunately, P.O. Boxes are excluded.
Exclusions
- Free shipping does not apply to pre-order items.
- Shipping costs for pre-orders will be calculated at the time of your inquiry, based on your location within New Zealand.
- If you require urgent delivery, we may be able to arrange airfreight. Additional charges will apply. Please contact us for details.
Delivery Timeframes
- Standard delivery is usually 2–4 business days (Mon–Fri) from the date of dispatch, excluding public holidays.
- Delivery times may vary depending on the size of the item and your location.
Returns & Refunds
Returns & Refunds
If we send the wrong item, we cover return costs. If you ordered incorrectly, you’ll need to return at your cost.
If you wish to return or exchange an item, please email us at info@waterfilters.co.nz within 7 days of receiving your order to obtain a Return Authorisation Number (RNA). Please do not return your product until you have received this number.
Returns & Exchanges
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If we send the wrong item (and your order was placed correctly):
We will cover the cost of return shipping. A pre-paid return label will be issued, and the correct item will be dispatched. -
If you ordered the wrong item (and we supplied what was ordered):
You will be responsible for the cost of return shipping. If you would like us to provide a return label, we can do so, but the cost will be deducted from your refund or charged separately. -
All returns (whether for exchange, credit, or refund) must be unused, undamaged, and in saleable condition. Items with signs of use or damage will not be accepted and will be returned to you.
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We strongly recommend using a tracked courier service for all returns, as we cannot be held liable for parcels lost or damaged in transit.
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Refunds will be processed via the original form of payment and will cover the cost of the returned item(s) only. Please allow up to 14 business days from receipt of your return for processing.
Cancellations
If you wish to cancel an order, please contact us within 24 hours of placing it. Orders are processed quickly and in some cases may not be able to be cancelled once dispatched. If cancellation is no longer possible, please follow the returns process above once your order arrives.
Faulty Products
If you have received a faulty product, please contact us to arrange a return service.
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Faulty items (caused by a manufacturing defect, not wear and tear or misuse) will be replaced or refunded at no cost to you, following our assessment.
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Consumables (e.g. cartridges, lamps, media) are covered for manufacturing defects but not for lifespan variation, as water quality and usage conditions differ.
Warranty
We stand behind the quality of our products and offer the following warranty:
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Systems and parts (excluding consumables): 2 years from purchase, subject to correct installation and conditions of use.
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Consumables: Covered only for manufacturing defects (must be reported within 7 days of receipt).
During the warranty period, any approved faulty component (excluding consumables) will be replaced free of charge, subject to stock availability.
To make a warranty claim:
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Contact us via email or phone.
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Provide proof of purchase.
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Obtain a Return Authorisation Number before sending any items back.
All warranty work or returns must be approved before costs are incurred.
Your Consumer Rights
Our goods come with guarantees that cannot be excluded under the Consumer Guarantees Act 1993 (NZ). You are entitled to a replacement or refund for a major failure, and compensation for other reasonably foreseeable loss or damage. You are also entitled to have goods repaired or replaced if they fail to be of acceptable quality and the issue is not a major failure.
Waterfilters.co.nz Guarantee
We are committed to providing quality products, clear after-sales support, and excellent customer service. If something isn’t right, let us know and we’ll work to resolve it promptly.
Whole House Water Filtration 3 Stage Big System
Description
Description
GENERAL INFO
The Aqua Whole House Triple Stage Water Filtration system is manufactured by Pentair, a global company known for being the quality choice for water treatment professionals due to their strong, reliable brands and product lines. Pentair’s Whole House Water Filtration is a 3 stage system consisting of a pleated filter, dual gradient filter and KDF-GAC filter (Mains supply) and radial flow GAC (Rainwater supply). The whole house system has flow rate of 40 to 50 lpm and is installed at the water’s point of entry (POE) to the house. The system treats all incoming water before it goes into individual supply lines that feed your laundry, bathrooms, kitchen, outside faucets and taps.
The first two filters are for sediment removal. The pleated filter is manufactured from a durable, nonwoven polyester fabric that is suitable for the removal of coarse sediment. The dual gradient filter which is manufactured from 100% pure polypropylene is designed to remove sediment, particles and for cyst reduction. Using an advanced design the filter is able to achieve up to three times the normal dirt holding capacity as other sediment filters. It has a 25 micron outer for larger particles and a 1 micron inner core for finer particles and cysts.
Pentair’s heavy duty Big White® housings offer large capacity filtration for high-flow and heavy sediment applications. These are durable and can last, whereas cheap imitations last half the time or less.
The third filter for mains supply is the KDF-GAC, a two media cartridge consisting of KDF (Kinetic Degradation Fluxion) and GAC (Granulated Activated Carbon). When the KDF media is combined with GAC it strips the chlorine from the water before it contacts the carbon. This frees the carbon to reduce more chemical contaminants including herbicides, pesticides, VOC’s and THM’s. try (POE) to the house. The system treats all incoming water before it goes into individual supply lines that feed your laundry, bathrooms, kitchen, outside faucets and taps. The third filter for rainwater supply the radial flow GAC, a unique radial flow design which offers the benefits of granular activated carbon (GAC) filtration, such as low pressure drop, while at the same time significantly reducing the release of carbon fines commonly associated with GAC style cartridges. It is ideal for point-of-entry (POE) and other high flow rate applications.
FEATURES | BENEFITS
- Removes particles and sediment from water
- Save money by not buying costly bottled water
- Protects downstream equipment and appliances
- A wise investment for your health, family and your pocket
- With clean and better tasting water, you drink more which is very important for the body’s overall health
- Chlorine free, allergy free. Removing chlorine from bathing water results in “less skin irritation”*
- Removes up to 98% of chlorine and dangerous by-products*
- Reduces heavy metals like lead, copper and mercury*
- Removes pesticides, THMS and other dangerous chemicals*
* Applicable when KDF-B filter is used
NSF: The GAC-10 and GAC-20BB are tested and certified by NSF International to NSF/ANSI Standard 42 for material requirements only.
SPECIFICATIONS
PLEATED POLYESTER CARTIDGE:
Filter Media:
Non-woven polyester
Standard Endcaps:
Vinyl plastisol
Big Blue Endcaps:
Polypropylene
Core:
Polypropylene
Temperature Rating:
40-125°F (4.4-51.7°C)
KDF CARTIDGE:
Filter Media
Coconut Shell Carbon
Temperature Rating
40-125°F (4.4-51.7°C)
Maximum Pressure
125 psi
GAC CARTIDGE:
Filter Media:
Granular Activated Carbon
End Caps:
Polystyrene
Post-Filter:
Spun polypropylene
Outer Casing:
Polystyrene
Expansion Pad:
Polypropylene
Gaskets - Top: Buna-N, Bottom: SantopreneTM
Temperature Rating:
40-125°F (4.4-51.7°C)
CONTAMINANTS REMOVAL/REDUCES
Bacteria & Viruses: Minimal/ No Removal
Bad Tastes & Odours: Effectively Removes/Reduces
Chlorine: Effectively Removes/Reduces
Fluoride: Minimal/ No Removal
Hydrogen Sulfide: Effectively Removes/Reduces
Heavy Metals*: Effectively Removes/Reduces
Nitrates: Minimal/ No Removal
Radon: Significantly Reduces
Sediment: Significantly Reduces
Iron: Effectively Removes/Reduces
VOC’s: Minimal/ No Removal
*Note: Chart is based on KDF-55 combined with basic activated carbon filter.
SAFETY GUIDE
Check and comply with your council / national codes. You must follow these guidelines. Use care when
handling the filter system. Do not turn upside down, drop, drag or set on sharp protrusions. We strongly
recommend that a pressure regulator valve be installed with this system in any municipal water supply or when water pressure exceeds 80 PSI.
Payment & Security
Payment methods
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