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Power Flushing

Restore Your Central Heating System’s Performance

With our specialist power flushing equipment and high-performance cleaning chemicals, we safely remove harmful deposits with minimal disruption to your home.

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COMPLETE Power Flushing SERVICES
INSTALLATION, SERVICING & REPAIRS
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Signs Your System Needs a Power Flush
Radiators cold at the bottom
Some radiators not heating up
Boiler making banging or kettling noises
Heating takes longer to warm the house
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Benefits Include
Faster radiator warm-up times
Lower energy bills
Improved boiler efficiency
Fewer breakdowns
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Our Power Flushing Process
Initial System Inspection
Connect Specialist Equipment
Circulate Cleaning Chemicals
Clean Each Radiator Individually
Flush the Entire Heating System
Add Corrosion Inhibitor
Final Testing
WHY CHOOSE US
Why Customer Choose Mark Abraham

At Mark Abraham Gas, our professional power flushing services are designed to thoroughly clean your central heating system, restore circulation, improve productivity and extend the lifespan of your boiler and radiators.

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Andy Newton
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About a week ago, 2 young engineers turned up on time and instantly made a great impression. Great attitude, professional, well-mannered, and a fantastic approach to work. Much better than mine was at their age! The installation was flawless from start to finish. I honestly can't fault it, and I am deffo one of those picky annoying pricks who can find fault in anything. Mostly... Whoever trained Kieran did an amazing job. Both Kieran and Leo should be proud of themselves for outstanding workmanship. They played a blinder. Well done boys!
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Carol Weld
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Mark Abraham gas services originally installed my new boiler They have always serviced every year and I have never had any problems with boiler On Tuesday 2/6 their engineer called Charlie came to complete yearly service. What a great guy. Friendly explained the service and answered my questions. Very clean tidy work and paperwork completed. Charlie must be a credit to your company as great customer service Very impressed as always over the years. Thank you. Carol Weld
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Tracey Burton
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Great customer service from start to finish with my boiler replacement. The quotes provided for different models were clear and detailed. Lisa in the office found a very quick slot for the appointment and kept me up to date with timings etc. Boiler replacement was done in less than a day. I hardly knew Kieran was in my home other than the occasional drilling. My kitchen was spotless when he left, and he also made sure he had covered the Hive app and thermostat instructions before he went. Highly professional service from all colleagues at Mark Abraham.
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Jackie Pell
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Seamless annual check of old boiler and boiler replacement, both completed with a week. Polite and professional staff from start to finish. Thankyou, Abraham’s
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linda marks
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I have used Mark Abraham Gas Services for about 15 years. They have replaced boilers in my pub, my house, my partner's house and my mother in law's house. They have continually serviced them each year. Very efficient service, lovely friendly engineers and trusted, genuine prices. I would fully recommend them to anyone.
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J H
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I loved my warm air heating but, at 34 years old, it had to go. Mark came to my home and explained my options. I had the quote later that day and the appointment was made for the following week. The work was completed in three days. Everyone was absolutely brilliant. I was nervous of changing the heating and had been putting it off for years. I can't tell you how relieved I am that it's now done. As you'll see from other reviews, everyone is professional but friendly. No messing about, but very approachable, and nothing is too much trouble. They would let me know what they were doing, and come and talk to me if they came across any issues. A solution was run past me to make sure I was happy before they went ahead. The engineers who worked so hard were Callum, Bradley and Leo. There's just one little thing to sort out, but I'm sure that will be dealt with in the same way as everything else, so I'm not in the least bit worried. Thank you ever so much. It's very rare to find tradespeople with such a culture, and you're all amazing. I'd recommend Mark Abraham Gas Services in a heartbeat! Update 24th April: Just to say that my absolute confidence was not misplaced. All sorted. 😊
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Geoff Rudd
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Great experience from beginning to end. From the first visit from Mark to discuss the options for our new boiler and radiators, to the last day of installation with his team, the service was first class. High quality work to go with the right heating system for our needs. Faultless and professional at all times. I would highly recommend giving them a call.
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Lee Martin profile picture
Lee Martin
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I cant recommend Mark and his team highly enough for their freindly services and professionalism. From initial contact to completing the job was fast, no fuss and very reasonably priced. Thank you.
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Ian Coleman profile picture
Ian Coleman
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Used Mark Abraham to install a new boiler for us. All staff were very polite, respectful and professional. I would not hesitate to recommend to anyone. Engineer Stefan was very thorough and friendly. Well done Mark Abraham Gas Services for a 5 star job completed.
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Julia Thorpe
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Mark and his staff always provide a prompt, polite and professional service. Prices are fair and competitive. Lisa, in the office, is very helpful and friendly. Customers are treated respectfully and regulars are acknowledged.
30

Over 30 Years’ Experience

Fully Qualified Engineers

Gas Safe & OFTEC Registered

Honest, Reliable & Professional

Emergency Callout Available

Excellent Customer Reviews

Is Your Heating System Telling You Something?
Signs You Need a Power Flush

Sludge and corrosion gradually build over time, contaminating your heating system. Many homeowners are unaware of this until the performance of their boiler or radiators become negatively affected.

This unwanted accumulation restricts water flow and reduces heating efficiency, causing poor performance of your heating system.

A professional power flush can restore your system without the expense of replacing components unnecessarily.

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1. Get in Touch

Call us or request a quote online and tell us what you need.

2. We Assess

We visit your property to assess your boiler needs and provide expert advice.

3. We Get to Work

Our engineers carry out the work to the highest standards with minimal disruption.

4. You're Covered

Enjoy reliable heating and complete peace of mind all year round.

Reviving Your Central Heating System

Central heating systems naturally accumulate sludge, rust, limescale and other debris. This can restrict water flow and reduce the efficiency of your boiler and radiators. If left untreated, the build-up can lead to cold spots, noisy pipework, increased energy bills and costly boiler breakdowns.

At Mark Abraham Gas, our professional power flushing services are designed to thoroughly clean your central heating system, restore circulation, improve productivity and extend the lifespan of your boiler and radiators.

Benefits of Power Flushing

Improve Efficiency, Consistency and Comfort

A professional power flushed heating system transforms the performance of your central heating positively by removing sludge.

It allows hot water to circulate freely throughout the system, heating your home quicker and reliably while reducing unnecessary strain on your boiler.

Benefits Include:

  • Faster radiator warm-up times
  • Lower energy bills
  • Improved boiler efficiency
  • Fewer breakdowns
  • Even heat distribution throughout your home
  • Reduced boiler noise
  • Extended boiler lifespan
  • Improved radiator performance
  • Better hot water circulation
  • Reduced risk of pump and valve failure
  • Protection for newly installed boilers
  • Improved overall heating comfort
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The Power Flushing Process

A Thorough Clean from Start to Finish

Our experienced engineers use specialist power flushing equipment. These connect directly to your central heating system.

We safely remove years of accumulated sludge, rust and debris by using high-velocity, low-pressure water combined with professional cleaning chemicals that circulate throughout the system.

At Mark Abraham Gas, we clean each radiator individually to ensure contaminants are completely removed before the system is thoroughly flushed with clean water. A corrosion inhibitor is added to protect your heating system from future sludge build-up.

Our Power Flushing Process: 

  1. Initial System Inspection
    We carefully assess the condition of your heating system, identify any existing faults and determine whether power flushing is the most suitable solution.
  2. Connect Specialist Equipment
    Our power flushing machine is connected safely to your central heating system.
  3. Circulate Cleaning Chemicals
    Professional cleaning chemicals are introduced to break down sludge, corrosion and other deposits.
  4. Clean Each Radiator Individually
    We flush every radiator individually to maximise debris removal and restore proper water circulation.
  5. Flush the Entire Heating System
    The complete heating system is thoroughly flushed using clean water until it runs clear.
  6. Add Corrosion Inhibitor
    A high-quality inhibitor is added to help prevent future corrosion and sludge formation.
  7. Final Testing
    We balance the heating system, test boiler performance and ensure every radiator is heating correctly before completion.

Common Signs Your System Needs a Power Flush:

  • Radiator cold at the bottom
  • Some radiators not heating up
  • Boiler making banging or kettling noises
  • Heating takes longer to warm the house
  • Frequent boiler breakdowns
  • Dirty or black water when bleeding radiators
  • Pump failures
  • Thermostatic radiator valves sticking
  • Poor hot water circulation
  • Boiler regularly overheating
  • Increased energy bills
  • New boiler being installed onto an older heating system

Why Does It Matter? 

  • Ignoring sludge build-up leads to reduced efficiency, higher heating costs and premature failure of expensive components such as boilers, pumps and valves.
  • A power flush restores circulation, allowing positive operation of your heating system.

Is Power Flushing Worth It?

  • It is for many homeowners.
  • A power flush is one of the most cost-effective ways to restore an ageing heating system without replacing radiators or pipework.
  • It significantly improves efficiency, reduces running costs and protects your investment in your central heating system for years to come.
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