RO-1UV Water Filter System With UV Stage

RO-UN-0019 RO-1UV Reverse Osmosis Water Filter with UV stage for water sterilisation

Out of stock

£215.15 inc-VAT
The RO-1 is an pumped under-sink water filtration system that will remove impurities from your drinking water. The unit includes a steel tank and all fittings needed to install the unit, including an automatic shut-off valve, that will stop the flow of water when your tank is full. The Unit includes three 10" filters, an RO membrane and a post filter.

Reverse Osmosis alongside the correct carbon filtration process can remove chemicals from your water, such as chlorine and chloramine as well as most other total dissolved solids that normally come out of your tap. This process also removes any odours and tastes that have been caused by contaminants and chemicals.

This Reverse Osmosis Water Filter is a pumped unit, so does not rely on you having a strong mains water pressure. Unpumped units are also available from thewatersite, including an un-pumped version of this unit.


  • 6 Stage Filtration System
Stage 1 - Sediment Filter

10" 5 Micron PP Sediment/Particle Filter

Stage 2 - GAC Filter

10" Granular Activated Carbon Filter

Stage 3 - CTO Filter

10" Block Carbon CTO Filter

Stage 4 - Reverse Osmosis Membrane

CSM 50 US Gallons per day ultra low pressure RO Membrane (189.3 litres per day) see description regarding UK output*

Stage 5 - Post Filter

T33 Filter for taste and odours Granular Activated Coconut Carbon Filter

Stage 6 - UV
Stainless Steel UV Housing with Philips UV Tube 
  • Pressurised water storage tank (Steel 3.2 US Gallons, 12 litres)
  • Mains water connection (Use only with copper pipes)
  • Waste water saddle valve
  • Water tap chrome effect, 1/4 turn ceramic disc tap
  • Membrane housing spanner
  • Filter housing spanner
  • Connecting pipe

*There are a number of factors that affect the output of reverse osmosis water filters, such as input water pressure, TDS of input water, bacterial film on RO membranes if they are not changed regularly and water temperature, especially in winter months. Based on UK water conditions, you can expect to get aproximately 50% of the membrane's rated capacity.

Dependent upon usage of the unit the 4 cartridge filters will need changing every 6 months, the membrane filter requires changing at approximately 18-36 months.  The life of the Reverse Osmosis Membrane, is affected by the following factors, Bacterial Contamination (not changing pre-filters often enough), Chlorine Contamination of the membrane, (again by not changing pre-filters often enough) and the worst culprit, Hard Water.

We are regularly asked why we say our membranes may need changing at 18 months or less, when other sellers quote their membranes will last 3 years. We call it honest genuine expectations, our membranes are made to the same and in many cases higher specification than reverse osmosis membranes from other manufacturers. If you have very soft water or using the RO system on the output of a domestic water softener then yes you can expect a life of around 3 years.  If used with a rainwater harvesting system you could expect longer as you do not have a Chlorine loading in the water you are filtering.

This products housings are made from heavy duty food grade plastics casings. The filters are manufactured by a quality ISO 9001 company a member of the Quality Water Association of America. This unit will provide you with tap water tasting as good as it gets.

We offer our complete support with this unit, just call us for any help or advice you need.

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