Power Flushing Guide: Costs & Process
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02/07/25, 14:04
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Scope of Works
• Isolate the central heating system and boiler before commencing work
• Connect a power flushing machine and appropriate cleaning chemicals to the system
• Flush out sludge, debris and contaminants from radiators and pipework
• Rinse the system thoroughly and remove all cleaning residues
• Refill the system and carry out a pressure test to ensure everything is secure
Typical Cost
Charge Type | Low £ | High £ | Notes |
|---|---|---|---|
Call-out / Minimum | £100 | £150 | For initial system assessment |
Labour per hour | £60 | £85 | Reflects skilled power flushing expertise |
Materials & Chemicals | £20 | £40 | Includes flush chemicals & disposal fees |
TOTAL (average job) | £180 | £275 |
Time on Site
Power flushing typically takes between 3 to 4 hours. Additional time might be required if the system is heavily scaled or access is restricted.
Questions to Ask Your Tradie
• Which cleaning chemicals and equipment do you use?
• Do you offer any warranty on the service performed?
How to Avoid Surprises
• Ensure clear and easy access to your boiler and heating system components
• Inform your tradie of any previous flushing or maintenance records
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