We specialize in servicing central heating systems regardless of the brand of boiler. Our expertise covers both the heating system pipework and the boiler itself.
All of our engineers are experienced plumbing and heating engineers, who have received training and are equipped with the latest leak detection technology. Our main objective is to locate and fix any leaks you may have.
Our expert engineers use various leak detection technologies to accurately locate leaks without causing damage to your floors.
Our team consists of fully qualified and experienced engineers who have the ability to not only locate the source of your leak, but also carry out any necessary repairs to leaking pipework, both internally and externally. In fact, in the majority of cases, they are able to complete the repairs on the same day.
Boiler pressure refers to the pressure of the hot water in your system. When your boiler heats up cold water, it pumps it through the pipework in your home to warm up the radiators and hot taps. It is crucial to maintain the correct pressure level to ensure that the hot water reaches all the pipes and radiators in your home and heats them effectively. If the boiler pressure is too high, it can cause an overload and shut off due to an excessive amount of water in the system. To address high pressure, you can try bleeding your radiators to release some of the built-up pressure. Conversely, if the boiler pressure is too low, it may indicate a leak in your system, resulting in water loss and a decrease in pressure.
Boiler pressure will naturally fluctuate as your central heating is used and heats up the water in the system. However, it should return to a more stable level when the heating is turned off and the water starts to cool. Ideally, a normal boiler pressure should range between 1 and 2 bars, which can be seen on your boiler’s pressure dial or digital screen. It may temporarily increase to around 2.5 bars when the central heating or hot water is being used, but it should return to the 1-2 bar range once the water cools down. Any pressure higher or lower than this range indicates a problem with your boiler pressure.
Although a leak is the most common reason for a boiler to lose pressure, there are a few other possible causes. For example, if you recently bled your radiators, you may have let too much air escape, resulting in lower pressure in your central heating system. To fix this, you can add more water into the system through the filling loop until the pressure returns to normal. Another potential cause could be faulty components inside your boiler, such as a faulty pressure relief valve. Additionally, if your boiler is old and worn out, it may be time to consider replacing it.
The easiest way to check if your boiler pressure is low is to find the pressure gauge on your boiler. For most modern boilers, such as a combi boiler, the pressure gauge is usually a round dial located on the front of the boiler or control panel. Older boilers may have their gauges positioned underneath or among the pipework. Ideally, your pressure gauge should be reading between 1-2 bars, with the gauge typically marked in green and red to indicate low or high pressure. Some boilers even have a digital screen that displays the number of bars and an error code if the pressure is not within the normal range.
If your boiler has a digital display that shows the bar level, it will also display fault codes if there is a problem in the system, such as low pressure. These fault codes are helpful in diagnosing issues before they become major problems. However, it’s important to note that the meaning of each fault code can vary depending on the make and model of the boiler. To understand the specific meaning of a fault code, it’s best to consult your boiler’s manual. In this way, you can ensure you interpret the fault code correctly. Below are the most common fault codes for top UK boiler manufacturers that indicate a drop in boiler pressure:
We understand that you may be concerned about the cost of leak detection and repairing your leak. However, many customers are unaware that the process of finding and exposing the leak is typically covered by their home insurance policy. In most cases, you will only need to cover the small cost of any repairs once your insurance claim is settled. This coverage is usually referred to as “Trace & Access” or something similar. If you have this coverage on your policy, your home insurance company should reimburse the costs of our services. We also provide a comprehensive report that you can use for insurance claims.
If your boiler takes longer than 24 hours to lose pressure, it’s possible that the leak is too small to detect. Here’s how we determine the severity of the leak: if a 12 radiator system loses all its pressure in a 24-hour period, it’s likely losing about 500ml each time the pressure drops from 1.5 bar to zero.
When we divide that 500ml over the course of 24 hours, we calculate a leak rate of 20.83ml per hour. Breaking it down even further, dividing 20.83 by 60 minutes gives us a leak rate of 0.347ml per minute. This means that only 1/3 of a milliliter of water is being lost every minute. Clearly, this leak is incredibly small, more like a tiny weep.
To put it into perspective, a droplet of water is roughly 0.5ml, so the leak is less than one droplet per minute. Even with such a small rate, we should still be able to locate the leak, assuming the floors are solid. However, if the floors are suspended, the boiler would need to lose all its pressure twice in a 24-hour period, or once every 12 hours.
We ask all these questions not because we don’t want to assist you, but because we want to ensure that we’re not pursuing an impossible task and wasting your time and money. If we don’t believe the leak is significant enough to be found, we would rather inform you beforehand instead of charging you for a day’s work. We want to help you save your money!
We serve the whole of Maidenhead, Berkshire including all villages in the area.
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