4,000 GPD Static AUTO Fill & Flush RO Filter System – Wall Mounted
4,000 GPD Static AUTO Fill & Flush RO Filter System – Wall Mounted is backordered and will ship as soon as it is back in stock.
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After Sales Service
After Sales Service
We offer a full after sales service.
Whether its troubleshooting a problem or you need assistance with spare parts, service or repair, we are committed to helping you after your purchase.
Delivery and Shipping
Delivery and Shipping
Nationwide Delivery available on all products.
All parcels up to 30kgs in weight are delivered with either Fastway or DPD couriers. Parcel deliveries usually take between 24-48 hours.
Pallet Deliveries: Large items are delivered through the pallet courier network. Pallet deliveries usually take between 1-4 working days depending on your area. All pallet deliveries are delivered on a rigid lorry with a tail lift and pallet truck.
Description
Description
4,000 GPD Static AUTO Fill & Flush RO Filter System – Wall Mounted
High-capacity automated pure water filtration system producing up to 4,000 gallons (18,000 litres) of pure water per day.
Designed for commercial window cleaning businesses and multi-vehicle operations requiring fully automated, high-volume pure water production.
Fully Automated Pure Water Production
This advanced wall-mounted 5-stage RO filtration system automates the entire water production process for maximum efficiency and minimal maintenance.
The system automatically:
- Flushes RO membranes at startup
- Performs automatic membrane flush cycles every hour
- Detects water usage from your holding tank
- Automatically refills the tank when required
- Stops water production when the tank is full
- Controls a compatible 240v booster pump automatically
Enjoy reliable pure water production without manual intervention.
Key Benefits
- Produces up to 4,000 GPD / 18,000 litres per day
- Fully automated fill and flush functionality
- Automatic tank refill detection
- Integrated booster pump control
- Reduced membrane maintenance
- High-output commercial-grade filtration
- Ideal for multi-vehicle and depot operations
System Includes
- 2 × 20” pre-filters in black housings
- 2 × 40” low-pressure RO membranes
- Carbon-wrapped membrane housings
- 1 × 11L DI resin vessel with quick-release ports
- Automated fill & flush controller
- Automatic booster pump control system
5-Stage Filtration Process
Stage 1 – Sediment Filtration
Removes dirt, sand, rust, and particles from the water supply.
Stage 2 – Carbon Filtration
Reduces chlorine, VOCs, pesticides, and contaminants that can affect membrane performance.
Stage 3 & 4 – Reverse Osmosis Filtration
Dual 40” low-pressure RO membranes provide ultra-efficient filtration with excellent TDS rejection rates.
Stage 5 – DI Resin Polishing
11L DI vessel removes remaining dissolved solids for spotless pure water cleaning.
Water Pressure Requirements
- Recommended operating pressure: 60–90 PSI
- Pressure below 50 PSI may reduce performance and increase fill times
- Booster pump recommended for low-pressure water supplies
The integrated control system can automatically operate a compatible booster pump during filtration cycles.
Ideal For
- Commercial window cleaning companies
- Multi-vehicle fleets
- High-demand pure water production
- Garage, workshop, and depot installations
- Businesses wanting fully automated filtration
Efficient & Low Maintenance
The automated membrane flush system helps:
- Extend membrane lifespan
- Maintain filtration efficiency
- Reduce maintenance requirements
- Lower long-term operating costs
With intelligent auto-refill functionality, your holding tank stays topped up automatically so pure water is always ready when you need it.
Payment & Security
Payment methods
We accept all major payment methods including Visa, Mastercard, Paypal, Apple Pay & more.
All transactions are securely processed through Shopify and PayPal, using SSL encryption to keep your information safe.

