An external one will need to be attached by you, so you should attach it during Step 2 and then remove it before turning the boiler back on in Step 6. . ","acceptedAnswer":{"@type":"Answer","text":"Yes, you certainly can. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. Terms and conditions Watch the Pressure Gauge. Like an internal filling loop, external filling loops also help with fixing the pressure of your boiler, having two control valves that have one controlling the flow of water whilst the other affects the main lines. Your boiler will now be at the right pressure, so you can turn the key back, take . One end will have a handle valve while the other end will have an isolation valve. When they arent, you can easily buy it separately. For the most part, you can tell by what type of boiler you have. What temperature should a condensing boiler be set at? Afterwards, insert your filling loop key after opening the hatch and place the filling loop in the correct area. Check all bleed valves and fixtures on your radiators to make sure theyre closed. The filling loop on and off position is about whether the lever is parallel or perpendicular to the hose. If it takes longer than this, you could have a leak in the system. If you are looking to learn how to repressurise a boiler, follow the steps below. Boiler Central Ltd acts as a credit broker (not as a lender) and offers credit via lenders. Bosch Thermotechnology Ltd. 2023, all rights reserved. Boiler Filling Loop What is a filling loop & how to use it? And since the whole neighbourhood draws their water from the same source, this can lead to very serious and very expensive problems. In some cases, you may find that your filling loop issues actually lie with bigger issues for your boiler that need to be fixed. If you push the button underneath the radiator symbol twice it will show you the pressure in figures. jobs, The pressure in a central heating system will usually need to be topped up only once or twice a year. High boiler pressure could end up damaging your boiler and its system as it wont be used to the high pressure that it is currently running at. Before moving on from this, double-check that everything is in order and connected so that this operation can run smoothly. Step 2. If the pressure is too low or keeps dropping. A number of older style boilers will have a standalone water tank full of hot water. If youre unsure about anything, its a good idea to call an engineer who can help you. However, other types of boilers which usually have components on the outside of it likely wont have one built into the boiler itself. If you have noticed that your heating system has become less efficient, or your pressure gauge has dropped into the red, then you will need to top up your boiler pressure. If you require further help to repressurise your boiler, call a qualified engineer to fix the problem. Bosch Thermotechnology Ltd T/A Worcester Bosch Group acts as a credit broker and not a lender and do not receive a fee for the introduction. Unfortunately not, but it is always worth a try. Boiler Central Ltd provide finance via this website and is registered in England and Wales No 010483032 VAT Number GB351991381 Trading address is 100 Thornes Lane, Wakefield, WF2 7QX. Even the types of valves may vary. You shouldnt need to do this frequently. This step may vary according to your boiler. If you find you have to repressurise your heating system more often, contact a heating engineer. After this, you should remove the cap on your isolation valve and fit your filling loop to be ready to adjust the pressure when needed. If your boiler starts to lose pressure again, turn it off and contact a certified boiler repair person. Our Purpose: We create living space for generations to come. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. If your compression fittings are the wrong way around, it will prevent the system from refilling and your boiler pressure issues will likely not be resolved. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! When it comes to the installation of your filling loop, it depends on what kind you have. You need to find the hot water cylinder Opening this valve while monitoring the pressure on the boiler will add extra water to your hot water tank. Hayle Member since 22 May 2018 Your call may be recorded for training or quality purposes, Dishwasher and Washing Machine Installation, How to Repressurise Your Boiler Using an Internal Filling Key, How to Repressurise a Boiler With an External Filling Loop, How to Repressurise With Keyless Internal Filling Loop, Most Common Questions About Boiler Repressurising. Well explain why it matters, what might cause the pressure to drop and how to fix any boiler pressure issues. You should re-pressurise it when the pressure has dropped to below 1 bar. 3. This part is fundamental for the whole procedure. Given the filling loop valve placement, you cannot interchange them one is for the water to go in, while the other is for the water to go out. This article was co-authored by wikiHow Staff. However, there are several standout differences. What happens if you over pressurise your boiler? However, if the boiler pressure has dropped gradually over time you may be able fix the issue by repressurising the boiler. Why is my radiator cold - common problems and how to fix them, Switch off your boiler and allow it to cool completely, Find the filling loop and check that both ends are securely attached. If you are struggling to get hot water or central heating, it may be that you need to repressurise your boiler. You can check the pressure of your boiler and re-pressurise it yourself without having to call an engineer out. Include your email address to get a message when this question is answered. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . Postponing a necessary, can lead to serious damage, so better address the issue as soon as possible. If youve noticed that you dont have any hot water or your radiators arent getting as hot as they should, the problem could be your boiler pressure. It will always save you money in the long run. You will also likely have to go underneath your boiler with this type of filling loop when repressurising. This prevents the valve from being turned on accidentally. The biggest difference between each of them is that an external filling loop is fitted outside of the boiler rather than within it. My Plumbers. Almost any local hardware store will sell them at relatively cheap prices, as well as online retailers that sell a wide range of items, just search it up. If it takes longer than this, you could have a leak in the system. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. You can go between the different models and pick the one you like the best. Additionally, check the optimal running pressure in the manufacturers guidelines. Disconnect your external filling loop and clean up. Email: service.mailbox@uk.bosch.com, Representative example - 10.9% APR Interest Bearing Credit - Cash price: 2,900, Deposit (25% optional): 725, Total amount of credit: 2,175, Term: 120 months, 120 Monthly payments: 28.12, APR representative: 10.9%, Fixed rate of interest: 10.9%, Total amount payable: 4,099.40, Total charge for credit: 1,199.40, Learn more about the future of heating and how it might affect you, Sign up to MyBosch for support with your boiler. Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. 6. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. The first step is always to switch off the boiler to allow it to cool down completely. 100% positive Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. How to repressurise/refill a combi boiler. Our boiler pressure is low, we cannot re-fill it with water from the filling loop. Just make sure the valve is firmly shut before firing the boiler. Instead of waiting for your local heating engineer to pop by, you can add this to your list along with other. Locate the two white arrows on the key and turn them. Identify and check the boiler pressure gauge. feedback. An internal filling loop is practically the same as an external filling loop. Make sure to leave the hose attached. Some boilers & have a Standard filling loop or filling tap on pipework: This will usually look like a small silver braided hose linking two of the plumbing & heating system pipes together. **Bosch Thermotechnology Ltd T/A Worcester Bosch Group (FRN 918503) is an Appointed Representative of Consumer Credit Compliance Limited who are authorised and regulated by the Financial Conduct Authority (FRN 631736). Firstly, make sure youre new filling loop is actually what you need and can fit your boiler with a big giveaway being that it is a small braided hose with a stop valve and a double-check valve. 0% Finance Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. Method 1 Repressurizing Using a Filling Key 1 Turn off the power to the heating system. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. Just Services Group Ltd is registered in England and Wales No10177302. Stop once it reaches the recommended level for your boiler. Bring out the key for your internal filling loop. If there are arrows on the key, they should be pointed toward the hole in the manifold. You will often find internal filling loops within the boiler itself, sometimes also called a combi boiler filling loop as they are most commonly found in combi boilers. You dont want to be left without hot water or heating. Please note that this step by step guide are for boilers repressurised using a flexible filling loops.Step 1 -- Check the pressure on your boiler. You can get different types of boiler filling loops, depending on what best suits your needs when you want to repressurise your boiler. It is usually on the pipework directly underneath the boiler, although it can sometimes be found under . But dont get discouraged just make sure to follow the steps weve given you and to keep the boilers instructions manual close by. jobs, The key can be inserted into the keyhole and put into the unlock position. When your filling loop connects your boiler and mains there is always a chance for a backflow it doesnt matter whether your boiler filling loop is in on or off position. Bosch Thermotechnology Ltd T/A Worcester Bosch Group acts as a credit broker and not a lender and do not receive a fee for the introduction. Switch your boiler back on and observe. Then, carefully push the key inside and turn it to the. Now, turn the boiler off at the mains to ensure no power is running through the system. We all love to stay cosy and warm at home no matter the season. If you don't turn it off and allow it to cool before working on it, you could damage the system or hurt yourself. Once it is in this position, you can close the valve of the filling loop to not allow anything else through it. On the other hand, if you have a fuel burning boiler or a systems boiler you have to install your external filling loop manually. Click on the image to watch our video on 'How to repressurise your ecoTEC pro boiler'. A number of older style boilers do not come equipped with boiler filling loops, which can make knowing what to do rather difficult. An external filling loop hose is braided with compression fittings on each end. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/bf\/Repressurize-a-Boiler-Step-1.jpg\/v4-460px-Repressurize-a-Boiler-Step-1.jpg","bigUrl":"\/images\/thumb\/b\/bf\/Repressurize-a-Boiler-Step-1.jpg\/aid9295602-v4-728px-Repressurize-a-Boiler-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"