Services & Solutions

closed loop treatment

Keep your closed loop systems running with confidence. CRB Water delivers responsive experts, tailored programs, and advanced monitoring to prevent deposition, corrosion, and biofilm, protecting uptime, safety, and compliance.

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Audit-ready compliance
Lower water, energy, and waste
Reliable uptime

Closed Loop Systems

The risks of untreated or poorly managed closed loops

Water in closed loops may be recirculated, but it’s never risk-free. Without effective treatment, operators face deposition, corrosion, biofilm growth, and compliance risks that put people and equipment in jeopardy.

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Deposition

Mineral buildup reduces heat transfer, wastes energy, and drives up costs.

Corrosion

Oxygen and pH shifts damage piping, exchangers, and other critical assets.

Microbiological Growth

Biofilm and pathogens, including Legionella, threaten efficiency and safety.

Downtime & Compliance Failures

System failures lead to costly shutdowns, failed audits, and reputational damage.

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Closed Loop Treatment Services & Solutions

Don't Let Corrosion or Biofilm Put Your Systems at Risk

We know how frustrating it is when deposition, corrosion, or Legionella threaten uptime and compliance. For nearly 40 years, CRB Water has helped facilities keep closed loop systems clean, safe, and efficient.

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What we do

Programs Designed for Safer, More Reliable Loops

Closed loop systems may be sealed, but risks remain. CRB Water designs proactive treatment programs that protect system integrity, extend equipment life, and keep facilities compliant.

Corrosion & Deposition Control

Protecting assets from the inside out

We deliver tailored chemical programs and inhibitors, including sustainable, plant-based options, that prevent corrosion and deposition in piping, exchangers, boilers, and chillers.

Tailored inhibitors for corrosion and deposition
Eco-friendly alternatives available
Extends the life of high-value assets

Monitoring & Automation

Real-time visibility, smarter decisions

Smart feed systems, real-time monitoring, and automated alerts prevent failures, reduce downtime, and simplify compliance reporting.

Automated monitoring with alerts and alarms
Data-driven adjustments to optimize performance
Audit-ready documentation for compliance confidence

Compliance & Risk Management

Meeting evolving standards with confidence

From ASHRAE 188 to AAMI ST108 and beyond, CRB Water helps facilities across industries stay compliant with proven programs, water management plans, and expert guidance.

Programs aligned to ASHRAE 188, AAMI ST108, and industry standards
Development and support for Water Management Plans (WMPs)
Expert consultation from certified water safety specialists

Sustainability Options

Safer solutions without performance trade-offs

Our sustainable treatment solutions reduce chemical dependency, cut water and energy waste, and improve safety for people and the environment.

Plant-based inhibitors for greener operations
Onsite oxidant generation reduces hazardous storage
Efficiency audits to lower water and energy use

System Support & Training

Helping teams operate with confidence

CRB Water provides expert-led system assessments and operator training to ensure closed loop programs run smoothly.

System assessments and audits to identify risks
Operator training on monitoring and best practices
Guidance backed by one of the largest treatability labs in the U.S.

Benefits

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Extended Equipment Lifespan

Benefits

Why Facilities Trust CRB Water

Closed loop water treatment isn’t just about controlling chemistry. It’s about keeping operations safe, efficient, and compliant.

Key Benefits of Reliable Closed Loop Treatment:

Reduced Downtime

Proactive monitoring and responsive service prevent costly shutdowns.

Improved Efficiency & Lower Costs

Optimized programs reduce blowdown, conserve water, and lower energy use.

Extended Asset Life

Corrosion and deposition prevention keeps boilers, chillers, and piping running longer.

Assured Compliance

Stay audit-ready with proven programs that meet ASHRAE 188, AAMI ST108, and other regulatory or industry-specific standards.

Peace of Mind

With responsive reps and real-time oversight, operators gain confidence that their systems are safe and reliable.

Continuous Performance

Protect Your Loops with Proven Closed Loop Treatment

Reliable water quality extends asset life, prevents risk, and ensures compliance. CRB Water makes sure your systems run smoothly, day after day.

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Related Services

A partner for every water system

Closed loop treatment is only part of the picture. CRB Water supports the full water cycle so your entire facility runs reliably, efficiently, and sustainably.

Boiler Water Treatment

Proactive programs that control scale, corrosion, and carryover. Protect steam systems, extend asset life, and keep operations safe and efficient.

Cooling Tower Treatment

Solutions that prevent scale, corrosion, and biofilm growth. Flow studies, feed systems, and monitoring reduce water waste and improve performance.

Pretreatment & Filtration

Softeners, RO, and microfiltration systems that deliver clean make-up water for closed loops and other systems. Protects downstream assets and improves efficiency.

Water Safety & Compliance

ASHRAE 188 and ST108-compliant water management plans, Legionella prevention, and emergency disinfection. Safeguard people and simplify audits.

Automation & Monitoring

Smart chemical feed, monitoring, and inventory management across all water systems. Real-time data ensures stable programs and reduces operator workload.

Sustainable Programs

Eco-friendly treatment approaches that extend system life, reduce chemical use, and minimize environmental impact. Keeps closed loop systems efficient, reliable, and aligned with long-term sustainability goals.

Prevent Downtime Before It Starts

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Industries

Trusted by Facilities That Depend on Reliable Closed Loops

CRB Water delivers closed loop treatment solutions that extend asset life, reduce risk, and ensure compliance across industries.

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Manufacturing

Optimized loops that extend equipment life and reduce operating costs.

Food & Beverage

Treatment that protects production processes, sanitation, and product quality.

Healthcare

Legionella prevention and ST108 compliance for safe, reliable medical device reprocessing.

Pharmaceutical

High-purity closed loops designed to meet strict regulatory standards.

Commercial & Institutional

Reliable heating and cooling loops that ensure occupant comfort and safety.

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A simple plan to protect your uptime

Request a Consult

step 01

Talk to an expert

Connect with a water treatment expert who understands your industry, your systems, and the risks you face. Share your goals and challenges, and get expert insights from day one.

step 02

Get a custom program

Receive a treatment plan tailored to your facility, combining the right chemistry, equipment, and monitoring to keep your operations safe, efficient, and compliant.

step 03

Keep running with confidence

Stay ahead with fast delivery, proactive reporting, and continuous optimization. Your systems run reliably and disruption-free, while you focus on running your business.

Closed Loop Treatment FAQs

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Frequently Asked Questions

What systems use closed loop water treatment?

Any recirculating system like boilers, cooling towers, chilled water loops, hot water loops, and high-purity loops in healthcare and labs benefits from closed loop treatment.

What problems occur without closed loop treatment?

Untreated loops face deposition, corrosion, and microbiological growth, which reduce efficiency, damage assets, and increase compliance risk.

How does closed loop treatment help with compliance?

Programs designed around ASHRAE 188 and AAMI ST108 ensure compliance with Legionella risk management and medical water standards.

Are sustainable options available for closed loop treatment?

Yes, plant-based inhibitors, natural alternatives, and onsite disinfectant generation reduce chemical use, water waste, and environmental impact.

How is closed loop water treatment different from other types of treatment?

Closed loop treatment focuses on systems where water is continuously recirculated, such as hot water, chilled water, and heating/cooling loops. Unlike open systems, closed loops require specialized programs to control corrosion, prevent deposition, and stop microbiological growth without wasting water.

Have additional questions? Get in touch with us - we are happy to help.

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closed loop treatment

The risks of untreated or poorly managed closed loops

Don't Let Corrosion or Biofilm Put Your Systems at Risk

Programs Designed for Safer, More Reliable Loops

Corrosion & Deposition Control

Monitoring & Automation

Compliance & Risk Management

Sustainability Options

System Support & Training

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Why Facilities Trust CRB Water

Key Benefits of Reliable Closed Loop Treatment:

Protect Your Loops with Proven Closed Loop Treatment

A partner for every water system

Trusted by Facilities That Depend on Reliable Closed Loops

A simple plan to protect your uptime

Talk to an expert

Get a custom program

Keep running with confidence

Frequently Asked Questions

What systems use closed loop water treatment?

What problems occur without closed loop treatment?

How does closed loop treatment help with compliance?

Are sustainable options available for closed loop treatment?

How is closed loop water treatment different from other types of treatment?

Ready to Protect Your Closed Loop Systems?