Next Generation Sand Filter System with Manual Head
- 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.
Next Generation Sand Filter System with Manual Head
Description
Description
Next Generation Sand Filter System For Greater Removal Of Suspended Solids
APPLICATIONS
- RO Pretreatment–superior SDI reduction
- Cooling towers–unequaled turbidity removal
- Power generation plants
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Irrigation
- Municipal water treatment, pressure and gravity filters–higher flow, lower pressure drop, and superior filtration performance
- Wastewater polishing–exceptional TSS removal
- Precipitated metals removal
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Carwash reclaim and recycling
GENERAL INFO
Next-Sand™ is a remarkable advance in media filtration technology. Based on a rare natural mineral that is highly processed and refined, Next-Sand™’s unique properties allow it to radically alter the performance and cost of media filtration. The hardness, stability, and micro-porous character of Next-Sand™ make it a perfect filtration media for virtually every application in the water and wastewater treatment industry.
FEATURES | BENEFITS
- High filtration performance-3-5 micron removal
- High capacity filtration throughout the entire Next-Sand™ bed depth provides more than twice the capacity of multimedia filtration
- High Service Flow– 3-4 times that of multimedia with superior filtration.
- Long-lasting media (>5 years) not consumed in the process
- Simple periodic backwash keeps the media clean and operating efficiently
STRUCTURAL® POLYGLASS TANK
Pentair® Structural Polyglass Vessels have been the industry standard for quality and performance for over 30 years. Featuring a one-piece, seamless, high-density polyethylene liner and an encapsulated, leak-free engineered polymer inlet, Structural Polyglass Vessels were designed to provide you with years of worry-free performance.
OPERATING PARAMETERS (TANK)
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Maximum operating pressure – 150 psi
- Maximum operating temperature – 49°C
AUTOTROL® 263-268 (INTELLIGENT CONTROL VALVE)
- Time-tested Duraflow flapper provides frictionless sealing for longer service life
- Fiber-reinforced polymer valve body for superior strength and durability, non-corrosive, and UV-resistant
- Optical sensor for precision cycle positioning
- Designed with double backwash for reduced hardness leakage
- Fully adjustable 5 or 8 cycle control for an efficient and reliable water treatment system
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Continuous service flow rate of 95LPM with a backwash of 76LP
- Backwash capability accommodates filter up to 18” in diameter
- Supercapacitor for keeping time of day during a power outage
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Environmental protective cover for water resistance, corrosion resistance, and UV stability
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Programming is stored in memory and will not be lost due to power outages
- History data for valve performance
Next-Sand™ FILTER SYSTEM
MEDIA QUANTITIES
Code
Description - Tank Size Inches (DxH)
Typical Flow Rate
Inlet/Outlet
Next-Sand
(WTNGS)
“Polywound” Tanks
Litres/Minute
Inches
kg
NGSA-1054
“Autotrol Head” - 10” x 54”
1”
NGSA-1252
"Autotrol Head" - 12” x 52”
1”
NGSA-1465
“Autotrol Head” - 14” x 65”
1”
NGSA-1665
“Autotrol Head” - 16” x 65”
1”
AUTOTROL HEAD
“PENTAIR” 263 Performa Filter Valve with 742F Logix Time Clock Controller
Valve Body
Glass-filled thermoplastic - NSF listed material
Rubber Components
Compounded for cold water – NSF Listed material
Operating Pressure
20-120 psi (1.38-8.27 bar)
Hydrostatic Pressure
300 psi (20.69)
Water Temperature
2°-38°C
Ambient Temperature
2°-48.9°C
Tank Thread
2-1/2” – 8, male
Inlet/Outlet Threads
1-3/4”-12 UNC-2A male
Drain Line
3/3” NPT, male
Width x Height
37.8 cm x 21.5 cm
Riser Tube Dia.
27 mm
Riser Height Above top of tank
0.5” (+/- 0.5”)
Service flow rate
5 psi (1.03 bar) drop 25.0 gpm (5.7 m3/h)
Backwash flow rate
25psi (1.72 Bar) drop 20.0 gpm (4.5 m3/h)
Service
Cv = 6.50 (Kv = 5.6)
Backwash
Cv = 4.00 (Kv = 3.5)
Controller Operating Voltage
12 volt– AC
Input Supply Frequency
50 or 60 Hz
Moter Input Voltage
12 volt– AC
Controller System Power Consumption
3 watts average
Transformer Output Voltage
12 volt– AC 400mA
Transformer Input
230 volt– AC 50/60 Hz
*Recommend use of outdoor cover for direct sunlight applications
SPECIFICATIONS
PHYSICAL PROPERTIES
Composition
High Purity Alumino-Silicate
Size
0.4-1.4 mm (approx. 14x40 mesh)
Color
Dark Gray
Surface Area
25m2/gram
Surface Absorption
Hydrophillic
Thermal Stability
Stable to 500° C
Coefficient of Uniformity
1.7
Bed Void Volume
55%
Surface Charge
Net Negative
Bulk Density
55 lbs per ft3 (0.88 kg/L)
Packaging
1 ft3 bags, 1m3 supersacks.
PERFORMANCE CHARACTERISTICS
Filtration (nominal)
3-5 micron
Surface Loading
16-20 gpm/ft2 (Typical) 12 gpm/ft2 (Optimized for silt, SDI and ultrafine particulates)
OPERATING CHARACTERISTICS
Service Flow
12-20 gpm/ft2
Backwash flow
13-22 gpm/ft2
Backwash duration
5-15 min
Backwash expansion
40-50%
Backwash frequency
Delta-P determined
Bed depth
30”-48” depending on application
OPERATION AND MAINTENANCE
Operation and maintenance are simple: Backwash for 5 - 10 minutes once every week this is done either automatically or manually. Replace media every 2-3 years.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
