Invisible contaminants in UK mains water, such as limescale and corrosive chlorides, frequently cause premature failure in expensive machinery. It’s clear – high-purity water is a non-negotiable for your business in 2026.
To ensure water quality stays up to operational standards for your equipment, you’ll need the right Reverse Osmosis (RO) system – explore the best reverse osmosis water filter systems here at Watercare below:
Our Reverse Osmosis Systems
At Watercare, The APRO range of reverse osmosis units is engineered for precision, high recovery rates, and long-term durability. The following systems represent the diverse ways we address specific commercial needs.
![]() |
APRO-100As a compact RO system, the APRO 100 serves as a high-performance solution for sites where floor space is limited. It offers reliable entry point into professional-grade filtration without requiring extensive infrastructure. This model is particularly well-suited for boutique cafes, specialty coffee bars, and small laboratories that demand high-quality water for low-to-medium volume tasks. |
APRO-100-PROThe APRO 100-PRO enhances the standard 100 model by integrating a Remineralisation feature, which allows you to easily control the exact composition of your water. This unit stands out due to its advanced automation, which provides real-time performance feedback to ensure the system constantly operates at peak efficiency. Dental practices and high-specification commercial kitchens benefit most from this “set and forget” technology, as it guarantees safety and consistency without constant manual checks. |
![]() |
![]() |
APRO-120If you are looking for a system that can cover the needs of a medium-sized business, the APRO 120 is our top choice. This reverse osmosis water filter bridges the gap between light commercial and heavy industrial needs, and is ideal for restaurants, bakeries, hotels, and other businesses with busy service windows. |
APRO-500With a 500 litres per hour outpu, the APRO 1-500 is the industry standard for high-volume, continuous operation. Built to withstand the rigours of heavy-duty commercial use, this unit features a sophisticated electronic interface for precise output management. |
![]() |
![]() |
APRO-1000As our flagship high-capacity system, the APRO 1000 meets the needs of the most demanding environments by prioritising maximum water quantity alongside uncompromising quality. The system uses industrial-grade components that can support 24/7 use in large industrial facilities, bottling lines, and major steam production plants.. |
Compare Our Reverse Osmosis Systems
| System | Capacity (Litres per Hour) | Best Suited For |
| APRO 100 | Up to 100 litres/hr | Small cafes, dental practices, and boutique laboratories. |
| APRO 100-PRO | Up to 100 litres/hr | High-spec kitchens and sites requiring automated monitoring. |
| APRO 120 | Up to 120 litres/hr | Busy medium-sized restaurants and artisan bakeries. |
| APRO 1-500 | Up to 500 litres/hr | Large catering hubs, micro-breweries, and small factories. |
| APRO 1000 | Up to 1000 litres/hr | Industrial facilities, bottling plants, and high-volume steam plants. |
Why Do You Need A Reverse Osmosis System For Your Business?
Reverse Osmosis stands as the most rigorous water purification method currently available in the UK. Standard carbon filters excel at removing chlorine, but RO operates at a molecular level to strip away dissolved solids that other methods miss.
Typically, Reverse Osmosis eliminates 95% of all dissolved solids (TDS). The process successfully targets:
- Fluoride, Chlorine, and Chloramine
- Heavy metals like Lead and Copper
- PFAS (“Forever Chemicals”)
- Microplastics and Nitrates
- Pharmaceutical residues and organic odours
Essential Protection for Stainless Steel
Steam-dependent equipment, such as Combi ovens, requires RO filtration to survive. Reverse Osmosis is the only effective method for removing chlorides, which cause “pitting” and rapid corrosion in stainless steel when heated.
Implementing an RO system can extend the lifespan of kitchen assets by several years.
Product Uniformity
Reverse osmosis also helps you maintain a consistent flavour profile for beverages across multiple locations regardless of local water variations.
Maintenance Reduction
Eliminating scale buildup removes the need for frequent chemical descaling, lowering both labour and chemical costs.
Thermal Efficiency
Clean heating elements transfer energy more effectively than those insulated by scale, resulting in lower utility bills.
| Interested in one of our RO systems for your business? Get in touch with Watercare today and let’s discuss your needs. |
What To Consider When Choosing A Reverse Osmosis System
Certifications
When choosing the best reverse osmosis system for your business, UK compliance should be your primary consideration. Verify that any system carries the necessary water regulations to ensure the installation meets local bylaws and safety standards for water.
Incoming Water Chemistry
A professional water analysis is the best starting point. High TDS levels or extreme hardness may require specific pre-filtration stages to prevent the RO membranes from fouling, which preserves the life of the system.
Peak Demand vs. Total Volume
Estimating daily water usage is only half the battle. To get the best system for your needs you will need to identify your peak hourly requirement. Selecting a system based on your busiest hour ensures the reservoir never runs dry during high-pressure periods.
Spatial Constraints
Larger units like our APRO 1000 require dedicated floor space and clearance for maintenance access. If your space is limited, opt for a smaller-sized unit with versatile mounting options like our APRO 100.
Remineralisation Options
Ultrapure water can occasionally lack the “body” required for optimal coffee extraction or drinking water taste. Our APRO-100-PRO offers a mineral bypass or post-filtration remineralisation feature which allows you to customise the final mineral profile to your exact requirements.
Operational Features
Prioritise systems that simplify daily management. Look for plug-and-use connectivity to simplify the initial commissioning and digital interfaces that provide clear data on filter health and water quality.
Efficiency and Sustainability
In 2026, resource management is a key business metric. The modern RO units we design at Watercare are significantly more efficient than legacy models, drastically reducing the volume of water waste. This efficiency lowers sewage costs and aligns with corporate sustainability goals.
| Learn more about how Watercare maintains sustainable business practices through energy efficiency and water filter recycling. |
Secure Your Water Quality Today With Watercare
When you choose the right Reverse Osmosis system, you strategically invest in your equipment’s longevity and your brand’s reputation. Watercare provides technical expertise and tailored solutions to keep your operations running at peak performance.
Contact our specialist team to find the ideal RO configuration for your facility.













