Tuesday, 13 December 2022

Your central heating system will experience problems over time as dirt builds up in it. Though many people think of buying a new boiler when it starts showing weird signs, it is not always required. The article below will tell you about two cleaning processes- power flush and chemical flush, the difference between them and which one is better. 

Power flush

Rust and debris get collected in the heat exchanger due to corrosion, which leads to various issues. In addition, the formation of scale prevents the free flow of water in the heat exchanger, leading to loud sounds from the boiler. A power flush helps remove the debris, sludge and dirt from the pipes of the exchanger. It can resolve various issues in the boiler and save you from buying a new boiler unnecessarily. In power flush, hot water and a combination of chemicals are flushed into the exchanger to remove debris. So, it can help you keep your boiler in good condition in the long term. According to experts, a power flush must be performed every six or seven years. 

Cost of a power flush

The price of power flush depends upon several factors, such as the size of the radiator and several other factors. If you live in a big house with lots of rooms, you may need to pay more because engineers have to flush the chemicals at a much greater rate. And, also if the power flushing engineer in London finds some other problems with the boiler that needs repair, you may need to pay additional money. But it will still be less than buying a new central heating system for your home and office. 


Chemical flush

Unlike power flush, which uses high pressure for cleaning, chemical flush relies on gravity to collect debris from the boiler and then refill the clean water in the radiator. It uses a mixture of chemicals to remove dirt, sludge and debris from the system. Like power flush, chemical flush take off sludge that blocks the pipes and improves the system operation.

Cost of chemical flush

Just like power flush, chemical flush price depends upon the size of the central heating system. And chemical flush can be performed every year or two to ensure the boiler is functioning properly.

Which is better? 

As discussed before, power flushes clear out sludge from the heating system through high pressure and sometimes high temperature. Therefore it is best to use power flush when your system has become really dirty or showing the below symptoms:
  • Constantly leaking. 
  • Producing excessive noise. 
  • Working inefficiently. 
  • Taking time to heat up. 
On the other hand, if the system is not too dirty, go for a chemical flush. It is generally performed in new boilers systems where power flush is not required. You can consider it as a system maintenance program to ensure the system keeps running smoothly. So whether you should choose a power flush or a chemical flush depends on your heating system needs.

Thursday, 1 September 2022

A central heating system is a big investment and it's important that you make sure that you get the most out of it. One of the biggest things you can do to help your system is power flush it regularly. This will make sure that all the waste products in your radiators are flushed out and replaced with fresh new water, meaning they're working at their best! 

Your system is noisy - If you can hear your boiler running or the pump, it may be time for a Powerflush. If you can hear the expansion vessel running, it’s likely that the system is clogged up with sediment and needs a Powerflush. 

Your boiler keeps turning itself off - If your boiler keeps turning itself off, the most common reason is that there's dirty water in the system. Dirty pipes can cause an electrical short and cause it to turn itself off. This is dangerous because if you don't know what's going on with your central heating system, it could be deadly! If this happens to you, call a professional immediately so they can powerflush your entire heating system. 

The system has become sluggish - It takes longer than usual to heat up- If your system takes longer than usual to heat up, it could be a sign that it needs a powerflush. You should get one if you notice any of these symptoms: 
  • Your boiler is making strange noises or smells like something's burning 
  • You're getting a lot of condensation on windows, walls and ceilings (more than normal) 

You can see rusty water in the radiator- If you see rusty water in the radiator, it's a sign that your heating system is sediment building up. Sediment is a residue of plant and animal matter that collects on the inside of pipes, radiators, and other parts of your central heating system.


Sediment can reduce the efficiency of your system as it clogs up vital parts like valves and filters which then cause problems with your house or business. 

You should get Powerflush if: 
  • You've seen rusty water in the radiator; 
  • You have black deposits on all surfaces within 200mm (8 inches) around radiators; 
  • There's visible mould growing inside pipes or under taps where no water comes out at all 

You should powerflush if any of these things happen 

If you are in the market for a new central heating system and looking for ways to keep your old one running well, then powerflushing is an important part of the process. 

Powerflushing can help ensure that your system continues working as efficiently as possible by removing any dirt or debris from inside its pipes and systems. This will help prevent clogs and other issues that could lead to more serious problems down the line. 

Conclusion 

It’s important to note that powerflush will only work if your system has been properly installed and maintained. If you have any doubts about what needs to be done, please contact an expert for Power Flushing London - LJB Heating and Plumbing!

Wednesday, 13 April 2022

You can find boilers in approximately every commercial building, hospital, cleaning facility and numerous offices across London. This equipment plays a significant role in our life as it satiates our hot water needs. Regular boiler maintenance will help you identify minor problems that can become serious if not treated in time. Make an appointment with a professional boiler engineer in London if you notice any of the following warning signs.

boiler warning signs - LJB Heating & Plumbing
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 1. Water leakage

Water leakage leads to rust or corrosion, which can severally damage the boiler. You might notice water leakage on the floor, or a hidden leakage might result in rusting of the your boiler pipes. Early detection can help you save money, time and headaches later on.

Leakages result in many harmful effects such as overheating, pressure fluctuations and many more. Sometimes it causes rusting in relief value and makes it inoperable, which is a significant safety risk. 

2. Weird noises

While it is common to hear sounds of motor and pump, some strange noises could indicate a vital problem.

These might occur due to the accumulation of iron or sediments in the water tank. It also makes noises when the boiler need service.

If the boiler’s oil burner is making loud bangs when started, you should have it inspected immediately as this could lead to an explosion.

3. Pilot light going out

If you notice inconsistencies with your pilot light or yellow flame instead of a blue flame- it’s a clear indication that your boiler is dangerous. It generally happens when there is too much gas inside the boiler. There has two main results of this:-

1. As yellow flames can’t burn as hot as blue falses. It will not sufficiently heat the thermocouple and shut down the gas supply to the boiler.

2. It can also release carbon monoxide into the air. Carbon monoxide poisoning results in:

  • Nausea

  • Vomiting

  • Headaches

  • Breathlessness

4. Boiler shut down 

A clogged filter or a blocked air supply could be the reason behind the boiler stoppage. Boiler failure due to insufficient air can result in danger. Many times a loose electrical connection, thermostat failure trigger this problem. You must take the help of a professional boiler engineer in London to inspect the issue as soon as possible. 

5. Metallic Odor and carbon monoxide

Fuel leaks sometimes result in metallic smells. It is essential to resolve this problem as the boiler can catch fire. This smell could also indicate a possible carbon monoxide leakage. 

If it smells like sulfur, your boiler may need a new anode. A bacteria that grows on magnesium and aluminium leads to this odour.

Moreover, if the carbon monoxide detector sounds its alarm, get all the gas and oil equipment checked as soon as possible. 

At last, we hope the above signs will help you catch dangerous boiler problems- at an early stage. Even though you don’t notice any above signs still, you need to have your boiler examined at least once a year.

Friday, 28 May 2021

Central heating units or boilers that are installed in several homes these days are a combi. The combi boilers are also known as condensing combination boilers. This kind of boiler is a combination of a gas central heating system and a water heater. Combi boilers offer heat and hot water directly from a boiler. These combination boilers are quite inventive, and also devices that help to save space in your home. This is why they are widely used throughout. Combi boilers are very effective in heating water and they also work like central heating boilers and are a combination that allows double functions in a single small machine. This ensures that there will be no requirement to have separate hot water containers, which helps to generate a space-saving system.
 
combi boiler - heating engineer london
 
The following are some major benefits of using a combi boiler:
  • Combi boilers do not collect or heat water for any private use. Instead, when the tap is initiated, you will have a consecutive quantity of heated water. The conventional boilers were mostly used to warm the area reserve of heated water into a separate cylinder or container. These types of boilers are less costly than traditional boilers because they are more comfortable to manage or operate. Also, there are fewer components to repair and install.
  • There are numerous benefits to using the combi boiler over the conventional boiler. Because there are some parts with the conventional system that are never required for the combi boiler, which makes them more affordable to set into place.
  • With a combi boiler, you will never require to have a separate container for the room of the heated water. This means you will not be heating extra water that you are not going to use. When you use a separate tank for the hot water storage, it will always be heating the water again and again.
  • One more benefit of using the combi boiler or heating system is that it will provide you with a huge of hot water that is heated to the temperature that is required for showering, hand washing, washing dishes and other regular uses. When water comes from the main tank, it is heated, so, no energy is continued to heat the tank that is sufficient of collected water whenever you are showering.
  • You do not require to always attach a water pump to raise any water stress, because all heated water is coming directly from the shower from the strength of the main source. As a consequence, with the regular hot water and enough pressure, you will be ready to get a pleasant hot shower when you need it.

Besides, this combi boiler is not suitable for every home, but in most circumstances, the benefits of these boilers are quite well. Most homeowners are very satisfied with the design of this combi boiler, as it will save with its potential use.