Davey KAQS-XS Aquashield Xtra Smart Dual Stage Ultraviolet Water Filtration System 20" x 4.5" With Cover (84 LPM)

The Davey KAQS-XS Aquashield Xtra Smart Dual Stage UV System with Protective Cover delivers advanced whole-house filtration and disinfection, engineered for homes using rainwater, bore water, or mixed rural water sources. Built around Davey’s powerful dual filtration platform and a high-output 316L stainless steel UV chamber, this premium model ensures safe, clean, clear water at every tap—without chemicals, taste changes, or ongoing complexity.

At the heart of this system is the Xtra Smart Controller, offering enhanced diagnostics, multi-screen digital monitoring, lamp-life tracking, system warnings, and QR code access to support resources. This intelligent monitoring capability provides homeowners with greater confidence, increased safety, and simpler long-term maintenance.

This With Cover version includes a durable weather-resistant enclosure that protects the UV chamber, electronics, and filter housings from sunlight, moisture, dust, and environmental exposure—making it ideal for outdoor installation on tank stands, pump stations, sheds, or exposed service areas.

With a generous 84 LPM flow rate and long-life 10,000-hour UV lamp, the KAQS-XS is built for large households and demanding water conditions, offering dependable, long-term performance in even the harshest environments.

FEATURES

• Xtra Smart digital controller
  • Multi-screen display
  • System diagnostics and active alerts
  • Lamp-life countdown and service warnings
  • QR code links to manuals and support
  • Expandable for future monitoring modules
• Weather-resistant protective cover
  Shields filters and UV chamber from sunlight, splash, dust, insects, and environmental contaminants—perfect for outdoor sites.
• Dual-stage 20" × 4.5" jumbo filtration
  • Sediment filter removes rust, grit, and fine particles
  • Carbon filter improves taste, odour, and colour
    Large surface area ensures strong flow and extended cartridge lifespan.
• 316L stainless steel UV disinfection chamber
  Neutralises bacteria, viruses, and pathogens without chemicals or by-products.
• High-flow whole-house capacity
  Rated at 84 LPM, ideal for larger homes with multiple bathrooms and high-demand plumbing.
• Long-life UV lamp (10,000 hours)
  Superior lamp longevity ensures consistent performance and reduced maintenance.
• Service-friendly design
  UV lamp and sleeve can be replaced without draining the system.
• Fully pre-assembled manifold
  Reduces installation time and eliminates unnecessary leak points.

STAGE 1: 20 MICRON POLY PLEATED CARTRIDGE

• Poly Pleated sediment cartridges have the advantages of a high dirt holding ability with a low pressure drop. They are also economical as they can be cleaned and reused.
• Helps remove:
  • Sediment
  • Rust
  • Scale

STAGE 2: 1 MICRON POLYSPUN CARTRIDGE

• For finer sediment removal, commonly used in the 2nd stage of filtration.
• Helps remove
  • Rust
  • Sand
  • Cryptosporidium cysts (>99% efficienct for 1 micron cartridge) Material is food grade polypropylene with no chemical residue or loose fibres

SPECIFICATIONS

APPLICATIONS

• Rainwater tank households
• Bore and well water homes
• Rural, semi-rural, and off-grid housing
• Homes requiring potable-quality water for every tap
• Protection against sediment, colour, taste, odour, and microbiological contamination
• Pre-treatment for appliances and fixtures to reduce scale, staining, and wear