GWS Reverse Osmosis
GWS G500 Continous Flow RO Reverse Osmosis
- Established 1975
- Trusted by thousands of customers
G500™
The G500™ is an advanced continuous flow Reverse Osmosis system ideally suited for residential and commercial application,
The system which can produce up to 1500 litres of purified water per day or maximum 1 litre/min.
More about this product
Stunningly compact and environmentally friendly, the G500™ purification system provides continuous, clean, fresh, great-tasting drinking water. The G500™ system eliminates unpleasant taste and odor and removes chlorine and contaminants such as heavy metals, pesticides and chemicals.
Refined, re-imagined, and re-engineered, the G500™ is an elegant all-in-one water purification system that is as much a work of art as it is a state-of-the-art purification system. The G500™ is a must have for your home, office or restaurant!
The patented compact cabinet design uses high-grade molded plastics and makes maximum use of your under-counter space. The durable materials, premium grade fittings and connections along with functionality such as dry-run protection with auto-restart and automatic RO membrane flushing ensure a long service life. Filter cartridges have unique built-in handles for easy removal and are self-aligning; simplifying the cartridge replacement process.
The G500™ is a highly efficient water purifier and has a water recovery rate almost three times as high as industry standards (1 : 2L vs 1 : 3.25L). The system which can produce up to 1500 liters or 400 gallons of purified water per day comes with dual pressure gauges for monitoring system pressure and incoming water pressure.
A 60-liter / 14-gallon RO storage tank is recommended for high demand usage exceeding 1500 liter / 400 gallon per day.
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Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.
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Frequently Asked Questions
Quick answers to common questions about the GWS G500 Continous Flow RO Reverse Osmosis. For technical specifications, see the product details above; for sizing or installation advice, contact our team. If you have any other questions, we're happy to help.
What is an accumulator tank?
An accumulator tank is a pressurised vessel that connects directly to the mains supply and stores water under pressure. When a tap or shower opens, water discharges immediately from the vessel at full mains pressure rather than drawing only from the street main. This delivers stronger, more consistent flow at peak times. Accumulators have no pump and no moving parts so they are maintenance free and silent.
When should I use an accumulator instead of a pump?
An accumulator is the right solution when static mains pressure is adequate – above 2 bar – but flow is poor or drops during peak demand. It boosts available flow without adding a pump, energy use or noise. If static pressure is below 2 bar, a booster pump is needed instead, or an accumulator combined with a charge pump such as the WaterBoost ACF1.
What size accumulator do I need?
Accumulators are typically sized on a 60 per cent usable rule – a 300 litre vessel delivers around 180 litres of boosted water per cycle. As a guide, a 2 to 3 bedroom home suits a 300 litre vessel such as the GWS GCB-300LV. Larger 4 to 5 bedroom homes or properties with multiple bathrooms typically need 450 to 600 litres. Vertical models save floor space, horizontal models suit lofts and roof spaces.