What is a CJ Heating Powerflush?
A powerflush is a cleansing process which aims to remove deposits of sludge, rust and any other debris from your central heating system.
Why do you need a PowerFlush?
These contaminants can seriously affect the efficiency of a heating system and, in severe cases, a powerflush could be the only option available. Over time the water in your pipes, boiler and radiators deposits unwanted by-products like rust. This rust (plus other dirt and debris) becomes an unpleasant, mud-like substance that professionals affectionately refer to as ‘sludge’.
Sludge in your heating system can cause blockages and corrosion which will lead to both inefficiency and/or breakdown. In extreme cases, it can be so damaging that a complete boiler replacement is needed.
When do you need a Powerflush?
If you carry out regular servicing and maintenance (professional servicing is recommended annually) then a preventative Powerflush should only be necessary, every 5-6 years to clear debris and prevent significant blockages from taking hold.
However, this will vary depending on the system you have. For example, some boilers use copper heat exchangers rather than stainless steel which will corrode quicker.
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- There are signs to look out for that suggest that all is not well in your central heating system.
- Cold areas on radiators e.g. at the bottom
- Excessive noise from the boiler or the heating system pump
- Discoloured water when you bleed the radiators
- Heating is slow to warm up
- Cloudy tap water (limescale in the system)
- Some radiators struggle to heat up as well as others
- Radiators cold but pipes are hot
- Boiler regularly shuts down and needs restarting
- No water escapes when you bleed a radiator
- Noisy radiators and or / boiler
- Small leaks in radiators.
If any of these problems sound familiar to you, it’s time to contact a professional engineer. While a Powerflusher than repair. If that’s the case you will need to consult with at least two professionals to make sure you’re getting the right solution at the best price.
Boiler Guide can provide you with up to 3 quotes from trusted and registered professionals in your area. Get quotes.
What are the benefits of a Powerflush?
It’s not all doom and gloom; there are lots of positive reasons to get a Powerflush carried out too.
- Radiators will heat up quicker
- Radiators will get hotter
- Quieter radiators / boiler
- More energy-efficient system = cheaper energy bills
- Higher hot water temperatures
- More reliable i.e. less chance of breakdown
- Increase the life of your heating system.
How does a Powerflush work?
One of our qualified Gas Safe engineers will connect a pump to your central heating system. If it’s a Combi it will be connected at the pump head but if it’s a system boiler it will be connected at the circulation pump. This pump will push special chemicals through the pipes, boiler and radiators. This includes a chemical that will remove sludge and rust, a descaler to remove limescale and corrosion inhibitor to help prevent future rust from forming. The engineer will collect and dispose of any contaminated water, debris or particles that they remove from the system.
The engineer may also use special tools on the exterior of the radiator to dislodge stubborn blockages. They should be able to measure the temperature of your radiators before they have started work and then show you the improvement after the Powerflush.
The whole process can last anything from 6 – 10 hours depending on the number of radiators in your home, the age of the system and the severity of the sludge in the system. The engineer may find more problems than originally anticipated such as needing new parts to replace those that have been damaged beyond repair. Most Powerflush jobs can be completed in one day but some of the more severe cases may require longer.