Sentry 202

The Sentry 202 is an all in one water filtration system, where water passes through different filtration stages to reduce sediment and improve water quality. The treatment then ends with a dose of UV to destroy harmful micro-organisms including E-coli, Cryptosporidium, Campylobacter and Giardia.

This stainless steel unit comes completely assembled for "plug and play" functionality, needing only to be wall mounted.

Can be configured for left or right side water entry.

Applications:

This system is ideal for medium to large homes where water may be contaminated with "faecal coliforms". This can be from bird and possum waste on roofs and gutters or live stock run off entering streams and shallow bores.

Specifications:

• Council recommended level: 75 LPM (40 mJ/cm2)
• Nominal recommended flow: 94 LPM (30 mJ/cm2)
• Maximum recommended flow: 132 LPM (16 mJ/cm2)
• 1 x 48 watt high intensity lamp
• Inlet/Outlet 1" (25mm)
• Temperature range 2-40 degrees
• Max pressure 125 psi
• Dimensions in mm (LxWxH) 580x220x725

Features:

• Quality Stainless Steel housing with cover
• Fully assembled 48W UV lamp & quartz sleeve
• 2 x 20" Jumbo Big Blue water filter Housing Kits (BB20)
• 1 x 20" Jumbo Pleated 20 micron filter
• 1 x 20" Jumbo Polyspun 1 micron filter
• 1 x Automatic control ballast with 365 day countdown timer
• 2 x Pressure gauges
• Spanner

Understanding UV System Flow Rates

UV systems are rated according to the flow rate of water they can treat while delivering a specified UV dose. The higher the UV dose, the greater the level of UV treatment provided.

You may see three different flow rates listed for a UV system:

Drinking Water Standard Flow – 40 mJ/cm²
This is the flow rate at which the UV system provides a UV dose of 40 mJ/cm². This is the flow rate we recommend when the system is being used to treat drinking water, providing a higher level of UV treatment.

Nominal Flow – 30 mJ/cm²
This is the manufacturer's nominal rated flow at a UV dose of 30 mJ/cm². It provides a useful reference point when comparing UV system capacities.

Maximum Flow – 16 mJ/cm²
This is the maximum flow rate the UV system can process, but at this higher flow the UV dose is reduced to 16 mJ/cm². This should not be considered the appropriate flow rate for drinking-water applications, and is best for applications such as algae reduction, and clarification.

Which flow rate should I use?

For drinking water applications, we recommend sizing the UV system using the 40 mJ/cm² flow rate, NOT the maximum flow figure.

When choosing a UV system, it's important to consider the maximum flow your property could require at one time, not simply the average daily water use. A system that is too small may not provide the required UV dose when several taps or appliances are operating simultaneously.

If you're unsure which UV system is right for your property, contact WTS and we can help you select a system based on your expected flow rate and application.