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Central heating power flush


Power flushing is a method of cleaning to central heating system. Procedure involves circulating cleaning chemicals in central heating system using power flushing machine and agitating radiators at the same time to remove products of corrosion. Upon completion, inhibitors are introduced to protect the system from corrosion. Clean central heating water improves efficiency and protects your boiler, and it’s components from premature failure.


Power flushing on site consultation and system pre treatment – £70 + Vat

Site visit to confirm if power flush to your central heating system is required. Test system water for corrosion, PH and presence of inhibitors. Provide written report with test results and power flush recommendation. If power flush is recommended, we will pre-treat your system at the time of visit

Power flushing booking deposit – £100+vat

Deposit for central heating system power flush. Please contact us before making a payment to confirm price and availability

Central heating power flush cost

start at £320, for systems with up to 5 radiators. Add £30 for every additional radiator.

  • 5 radiators – £320
  • 6 radiators – £350
  • 7 radiators – £380
  • 8 radiators – £410
  • 9 radiators – £440
  • 10 radiators – £470
  • etc…
    * prices are plus Vat

Optional items to book with your power flush

  • system pre-treatment – £70 (Suggested for open vent or old systems)
  • magnetic filter (Magna Clean) supply and installation at the time of a flush – £130

Signs that your system may need a power flush:

  • radiators not heating up evenly
  • radiators taking very long time to heat up
  • noisy boiler and boiler pump
  • blocked heat exchangers, causing your hot water to fluctuate between hot and cold
  • boiler overheating and going to lock out frequently
  • need to frequently vent your radiators
  • failures to pumps, zone valves, diverter valves and heat exchangers

Replacing faulty components is costly and may not resolve underlying issues of your central heating system corrosion that should be addressed by proper power flushing followed by protection to your central heating system by adding correct dose of inhibitors.

Magnetic filtration – magnetic filters such as Magna Clean will further enhance protection to your boiler. Those filters are installed on boiler return pipework. Magnetic filters will catch most of the products of corrosion, saving you money on your bills and protecting boiler components from premature failures. We can install magnetic filter to your system at the time of power flushing.

Method – we use a combination of double magnetic filtration system (Magna Clense) and a power flushing pump (Kamco CF90), cleaning chemicals (Kamco FX2 or Hyper Flush) and radiator agitator for best possible results on your power flush.

Warranty – we provide a certificate of upon completion of your power flush with 2 years warranty extended to 5 years if the system has magnetic filter fitted to boiler return pipework. (Terms and conditions apply).

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