SE3 UV system 45 lpm with 1in Ports and intelligent i-Controller with 20in Pre-Filter Set

Wrekin SE3 UV System – 45 LPM with 1" Ports & Intelligent i-Controller (Includes 20” High-Flow Pre-Filter Set)

The Wrekin SE3 UV Disinfection System is a high-performance, whole-house ultraviolet sterilisation unit designed for private water supplies and high-demand domestic or commercial applications. With a powerful 40W UV lamp, 45 LPM flow capacity, and a smart i-Controller, the SE3 ensures safe, bacteria-free water at all times.

This package includes the HF20BB 20" Large Diameter Pre-Filter Set, providing essential sediment filtration to protect the UV chamber and optimise system performance.

What’s Included

 Wrekin SE3 UV System

• Flow Rate: 45 LPM
• Power: 40W UV Lamp
• Ports: 1" BSP Male (opposite-side ports)
• Lamp Type: SE3/SE4 (G843) – 40W, 4-pin
• Quartz Sleeve: QJ23890
• System Length: 910 mm

i-Controller Features:

• Lamp countdown timer
• Audible alarms for lamp-end-of-life
• Audible alarm for lamp failure
• Compatible with EVC4 Solenoid Shut-Off (prevents untreated water entering system during lamp/power failure)

HF20BB – 20" Jumbo High-Flow Pre-Filter Housing Set

A heavy-duty pre-filtration system designed to protect your UV lamp and improve overall system efficiency.

Key Benefits

• High flow performance – up to 97 LPM (empty housing at 3 bar)
• Accepts all 20” x 4.5” Big Blue / BB filters
• Removes sediment, turbidity, silt, grit, rust, and organic particles
• Built-in pressure relief button
• Strong polypropylene body with metal mounting bracket

Specifications

Included

• HF20BB Housing

• Metal wall bracket & screws

• Spanner

• Built-in pressure release valve

Installation Notes

• Install valves before and after housing to simplify filter changes

• Use MI 1” x 22mm or 1” x 28mm couplers (not included)

• For cold water lines only

• Protect from frost

Why Choose the Wrekin SE3 UV System with Pre-Filter?

• Provides complete water treatment for private water supplies (boreholes, wells, springs)

• Ensures bacteria-free, safe, clean drinking water

• Maintains system reliability with intelligent monitoring

• Pre-filter protects UV lamp, reduces maintenance, and improves efficiency

• Ideal for homes, holiday cottages, farms, small commercial setups

Compatible Add-On (Recommended)

EVC4 Solenoid Safety Controller

Automatically shuts off water if:

• The UV lamp fails

• There is a power outage
  Prevents untreated water from entering your home.

Order the Wrekin SE3 UV System with 20" Pre-Filter Today

Achieve complete water purification with a robust UV sterilisation system paired with high-flow sediment filtration — delivering reliable, safe water for your entire property.