What is Closed Loop Water Treatment?
Closed loop Water Treatment is the process of maintaining the quality of water within a closed-loop system. These systems circulate water for heating, cooling, and other industrial purposes. Careful monitoring is needed for corrosion control, scale buildup, and bacterial growth. If left unattended, it can lead to inefficient performance and costly downtime.
Cleartech specialises in expert closed-loop water treatment and remediation services that ensure systems remain clean, balanced, and fully compliant with key UK regulations, including BSRIA BG 29/2021 and BG 50/2023.
Our Domestic & Potable Water Treatment Service
Cleartech provides closed-loop water treatment services and support across all areas of commercial and industrial water treatment, serving a range of sectors including Healthcare, Hospitality, Education, Data Centers, Commercial Offices, and more.
Our services are carried out by highly qualified water treatment engineers, offering expert advice tailored to each project’s unique conditions.
Our closed loop commercial water treatment services include:
- Pre-Start Site Surveys
- Pre-Commissioning Chemical Cleaning
- Pre-Commissioning Cleaning of Pipework Systems (BSRIA Guide BG 29/2021)
- Side Stream and CPC Filtration
- Closed Loop Water Treatment and Remediation
- Chemical Cleaning of Water Systems
- Pre-Treatment Plant Maintenance
- Sampling, Testing, and Monitoring of Water Systems
Why is Closed Loop Water Treatment Important?
Closed loop water treatment is important for maintaining:
- System efficiency
- Equipment longevity
- Safety for heating and cooling systems.
In a closed loop system, the water is fully enclosed within the system’s pipes to preserve water volume and quality, and due to the lower maintenance requestion of a closed loop system, this can see reduced costs for businesses over time compared to an open circuit system.
Due to the same water continuously circulating in the closed loop system, proper treatment is critical to prevent corrosion, scaling, and microbial growth. Without proper treatment, contaminants can build up over time, reducing system efficiency, damaging equipment, and increasing energy costs.
Effective closed-loop water treatment delivers:
- Protected system components
- Lower risk of downtime
- Improved system sustainability
- Reduced water waste and chemical use
Why Choose Cleartech for Your Closed Loop Water Treatment Services?
Closed loop systems require precise water treatment to prevent corrosion, scaling, and biological growth. Cleartech engineers specialise in delivering closed-loop water treatment solutions that maintain water chemistry, protect assets, and support maximum efficiency.
Our approach covers everything from sustainable closed-loop management to water compliance, chemical treatment, water filtration, disinfection, testing, and ongoing monitoring, aligned with BSRIA BG 29/2021 and BG 50/2023.
Cleartech partners with facilities management companies and contractors across the UK and Ireland to deliver specialised closed loop solutions that improve operations. Contact our team today to arrange a site survey or request a quote for your next project.
CASE STUDIES
FAQs
Closed loop water systems are systems where water is continuously circulated through pipes and pumps without being discharged. They are often used in heating, cooling, and industrial processes.
If left unattended, closed loop water systems can develop a range of issues that gradually build up and cause significant system damage. Common issues include
Corrosion, scale buildup, bacterial growth, pH imbalances, and poor efficiency. Without proper maintenance by experts, these issues can increase health and safety risks, shorten equipment lifespan, and lead to costly repairs.
A closed loop system recycles water, minimising water usage, and environmental damage. Open loop water systems take fresh water from a source and discharge it after use, which leads to higher water consumption and a larger environmental impact.
The benefits of closed-loop water treatment can help prevent corrosion, scaling, and microbial growth. Further extend equipment life and reduce maintenance costs. Plus, it supports environmental sustainability by reducing water waste.
Closed loop water treatment is the process of managing the water that circulates within a closed heating or cooling system, such as those used for commercial heating (LTHW). Because the same volume of water remains in the system without being drained, treatment is essential to control corrosion, scaling, and microbiological growth.
Common methods for closed loop treatment included physical filtration and chemical dosing using inhibitors, biocides, or pH boosters. These methods provide protection to system components and extend the lifespan of the system.
Chemical free water treatment is most effective in closed-loop systems, especially those that are well-sealed and properly maintained. These systems benefit from high-purity, low-conductivity water, often produced via reverse osmosis, which helps prevent corrosion and scale without the need for chemical additives. It is also used in certain Legionella control strategies, particularly with UV and filtration systems in open water supplies.
The best practices for close loop systems are regular testing and monitoring of the water, pre-commissioning chemical cleaning, and following industry recognised standards to ensure compliance, including BG 50/2023.
