Twin Whole House Water Filter System | 20" x 4.5" Big Blue | WaterMark Certified

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Price: $456.00
Regular price
List Price: $554.00
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Price: $456.00
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Twin Whole House Water Filter System | 20" x 4.5" Big Blue | WaterMark Certified

Quick Overview
  • High Flow Whole House Filtration System
  • Ideal for Chlorinated Mains Water
  • Suitable for an Average-Sized Household

WaterMark Certified Twin Whole House Water Filter System 20" x 4.5" Big Blue (GT1-9WM)

Get filtered water on a whole-of-house scale at an affordable price! Our simple Twin Cartridge Design, based on our Full Sized 20" x 4.5" Reinforced UV-resistant "Big Blue" housings, gives you peak water flow and a long contact time for maximum impurity reduction, with the freedom to customize your selection of premium-grade Sediment or 100% Coconut Carbon Block filters (which are certified to National Sanitation Foundation Standard No. 42). This system fits generic, standard-sized 20" x 4.5" filter cartridges - so you don't have to worry about getting locked into a system that requires expensive, specially-designed cartridges!

Kit Includes

  • Twin Whole House Filter System (Pre-Installed Bracket)
  • Opening Spanner
  • 2x 1/4" Pressure Gauge Hole Plugs
  • Instruction/Warranty Sheet
  • Your Choice Of Filters (Additional Charges Apply)

WaterMark Certified Kit

This Water Filter System is certified to WaterMark Standards AS/NZS 3497 under Certificate Number 23247.

WaterMark certification is the level of certification required by law for a licensed plumber in Australia to install a water filter system. All products made under this certification will give you peace of mind knowing that your water filter complies with Australian plumbing codes.

Our WaterMark-certified filter systems are hand-assembled here in Australia and are randomly batch-tested to ensure top quality and workmanship for your water filtration products.

Technical Specs

  • Dimensions:
    • Height: 70cm
    • Width: 41cm
    • Depth: 20cm
  • Filter Cartridge Size: 20" x 4.5"
  • Ports: 1" Female BSP Inlet/Outlet Ports
  • Pressure: 0 - 620 kPa
  • Limit Pressure: ≤ 500 kPa
  • Temperature: 0.5°C - 37.8°C
  • Max Flow: 60 Ltrs/min (*System tested to 160 Ltrs/min. Maximum flow measured without cartridge. Refer to cartridge specs for flow rates.)
  • Initial ΔP @ Flow: 10 kPa @ 57 Ltrs/min