System Flushing & Chemical Treatment
Closed heating and chilled water systems need clean, properly inhibited water to operate efficiently and avoid corrosion. We deliver pre-commission cleaning, dynamic flushing, inhibitor dosing and ongoing water treatment programmes for closed systems — protecting plant, energy efficiency and warranty cover.
Frequency
Quarterly (treatment) / on-build (PCC)
Site time
Visit-based; PCC project-dependent
Deliverable
PCC record + analysis reports
Why it matters
Untreated closed systems suffer corrosion, microbial fouling and scale — all of which reduce heat transfer, waste energy and ultimately destroy plant. Manufacturer warranties on boilers, chillers and heat pumps almost always require documented water treatment.
Pre-commission cleaning is the moment to get a system right. Skip it or rush it, and the system runs sub-par from day one with corrosion debris circulating through every component.
Who it's for
- New-build and refurbishment projects requiring pre-commission cleaning
- Buildings with heating, chilled or process water systems
- Plant rooms with corrosion, fouling or pH issues
- Operators wanting an ongoing closed-system treatment contract
What's included
- Pre-commission cleaning of new pipework systems
- Dynamic flushing and chemical clean
- Inhibitor and biocide dosing
- Sample analysis (Fe, Cu, Cl, pH, conductivity, dip slides)
- Ongoing scheduled treatment and reporting visits
What you receive
- Flushing and cleaning record
- Water analysis reports for each visit
- Recommendations to maintain inhibitor reserve
- Trend reporting across visits to spot deterioration early
Our process
A repeatable, engineer-led delivery sequence.
- 1
System review
We assess system volume, materials, plant and current condition; review existing analysis if available.
- 2
Pre-commission cleaning
On new systems we deliver dynamic flushing, chemical clean and final passivation.
- 3
Inhibitor dosing
Correct inhibitor and biocide are dosed to manufacturer concentration; reserve is verified by sample analysis.
- 4
Ongoing treatment visits
Quarterly (or risk-led) visits sample, dose top-up and check dip-slide microbial activity.
- 5
Reporting & trend analysis
Each visit issues a report; annual trends flag deterioration early so corrective action stays cheap.
Frequently asked questions
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