Close the valve and turn the boiler back on. If you push the button underneath the radiator symbol twice it will show you the pressure in figures. Our finance provider will do a credit assessment of your circumstances when you apply. 3. Unlike the internal one that usually stays inside the boiler indefinitely, an external one should only be connected when used. 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. If you attempt to bleed a radiator, you should make sure that you have a way of catching the water to prevent the walls or floor from being ruined. The steps for repressurising a boiler using a filling key instead of a filling loop are slightly different: 1. Your ideal boiler. If you find you have to repressurise your heating system more often, contact a heating engineer. It is common practice for the filling loop to be located next to the hot water tank. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. The most common reasons for lack of pressure include a leak somewhere in the system or a damaged pressure relief valve. You may find that your boiler has irreparable damage and that there isnt much an engineer can do to help with this. In some cases, you may need a wrench to tighten them completely. It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. But theres one more thing we need to talk about: the boiler filling loop. Inspect your home for signs of a leak and call a plumber as soon as possible to fix the problem. 100% positive Fit the end with the stop valve near the main lines. Combi boilers need to be connected to the mains in order to increase the pressure. feedback, Could be in the airing cupboard or under sink, Sheffield Member since 6 Nov 2010 We have opened the filling For the last month we've noticed our boiler pressure dropping like a stone when the heating is on: from 1.5 bar to 0.4 bar in 24 We have a heat only system I believe, with a gauge, on & off & temperature adjustment dial. 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. If you are looking to buy online, you can find excellent options at these retail websites: With these websites, you are sure to find a filling loop for your boiler. Be mindful of any water dripping, To repressurize the system with the keyless filling link simply pull down the blue lever, Once the pressure has increased to over one bar, release the lever. If it does, theres a chance you may have a leak. Make sure to keep a close eye on your boiler. feedback. Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. Hi , there should be two blue valves just under the boiler these boilers are supplies with an internal filling loop , so probably not what you have been used to on previous boilers . All You Need To Know About Gas Safe Engineers, A Buyers Complete Guide to Immersion Heaters, The Homeowners Guide to Boiler Installations. 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. However, there are several standout differences. Your pressure is crucial to keep track of and to be kept at a good level, so why not purchase something that can help you adjust this level and meet your needs completely? This should be enough water to get your combi boiler back up to pressure again. Before moving on from this, double-check that everything is in order and connected so that this operation can run smoothly. "}},{"@type":"Question","name":"Whats a boiler filling loop? Wait for the water pressure to reach between 1 and 1.5 on the pressure gauge. Bosch Thermotechnology Ltd. 2023, all rights reserved. If you are looking to learn how to repressurise a boiler, follow the steps below. There may also be a fault with your pressure release valve. Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. If it's above 2 bars, you'll need to reduce the pressure. If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. Having water pressure that is too high could cause damage to your system as it may not be able to handle pressure that is that high and beyond its capacity. Repressurising is a delicate process that needs to be done the right way. Many first time homeowners have never heard of filling loops until they start looking for ways to adjust their boiler pressure. Monitor the valve until it reaches the recommended level for your boiler model. The key to a well-performing boiler is regular check-ups and taking the necessary maintenance measures, which include re pressurising your appliance when needed. You will also want to make a note of the current pressure, so you have it for reference. For this, you will probably need to get your boiler serviced by a Gas Safe registered engineer, so they can examine it and see what is wrong before a breakdown. System boilers, for example, will have external filling loops, but will again likely be accessible at the underside of the boiler, likely looking like a pipe amongst other pipework. If you find yourself re-pressuring it rather too frequently, you most likely have a leak somewhere in the appliance. They have to line up with the, position of the manifold. Stop once it reaches the recommended level for your boiler. This feature is put in place to help repressurise your boiler when needed to get it to the correct level that is required for an effective boiler. If the gauge is below 1 bar then you will need to top the system up using your flexible filling loop.Step 2- Locate your filling loop. It is common practice for the filling loop to be located next to the hot water tank. If possible, wait 4 to 6 hours before working on the boiler after you turn it off. **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). Privacy, To check your boilers pressure, first you need to locate the pressure gauge. By signing up you are agreeing to receive emails according to our privacy policy. feedback. And If you see a number higher than 2.5, then your pressure is too high. Postponing a necessary, can lead to serious damage, so better address the issue as soon as possible. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. Topping up your boiler pressure is a simple fix and can be carried out without a heating engineer. 7. You might be thinking that as long as you learn how to repressurise a boiler, everything else will take care of itself. That will then put a greater strain on your boilers internal components, as well as potentially increasing your heating bill. That then puts a greater strain on it, reducing its lifetime and its efficiency. Do You Have To Turn Boiler Off To Repressurise . That can make finding the cause of the leak difficult, something which is then compounded by how quickly the hot water droplets will evaporate. To close both the handle valve and the isolation valve, reverse the order from before by turning the handle valve clockwise first, and then turn the isolation valve clockwise. If it takes longer than this, you could have a leak in the system. Suppose you want to have a better idea of where your filling loop is located. And that is a part of the process, as you learn more about maintaining your central heating you get to know every obscure part and their role in the system. Keep an eye on the pressure gauge you are looking for pressure over 1 bar. How do you Repressurise a boiler without a filling loop? Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. We are credit broker and offer credit products from a panel of lenders. 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. 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. We have an excellent team of heating engineers and plumbers who are ready to help you get your central heating in tip-top shape. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. Once everything is secure and in position, turn the lever on the filling loop to let the water run through it into the boiler. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. What youre searching for is a braided hose with a small valve attached to it. Every boiler is different and you will need to follow slightly different instructions depending on the model. Watch the pressure gauge as you do this. Before removing the key, grab a rag or cloth to catch any water that may drip from the manifold. Make sure it is in the 1-1.5 bar range (green) before turning the lever to close. Now use each valve to let cold water get into the whole system. We've teamed up with Homebuilding & Renovating to show you how to solve it. Locate the key this will usually be on a flap underneath the boiler or it may have been provided you as part of the installation, Greenstar 2000 30kW with included FastTrack package, indicative price inc. VAT & installation*, per month (10.9% APR) inc. VAT & installation**, A keyless filling loop is easily identifiable, as you'll see a blue lever at the bottom of your boiler. Here's how to repressurise a boiler using an external filling loop: Switch off your boiler and allow it to cool Attach the hose securely to the cold water valve and the boiler valve Once the filling loop is secured, open up the two valves, starting with the cold water and then the boiler Turn the boiler back on and check. How do you Repressurise a boiler without a filling loop? It is used to repressurise your boiler and top up the water when you drain or bleed your system. Over time its common to get a small leak on a valve or joint in the boiler. 5. Privacy notice How to reduce your boiler pressure Switch off your boiler and wait for the heating system to cool. How to Repressurise a Boiler via a Filling Loop. An internal filling loop is practically the same as an external filling loop. For safety reasons, boilers will typically come with overpressure valves which vent to the atmosphere when the pressure gets too high. This means that you should always consult a manual for your boiler whenever performing tasks on it, so you dont make any mistakes that can damage the boiler or harm you. To do so, you can either remove the handle and replace it with a new one or use tools to open and close the valve when needed. Thankfully, there are several ways you can repressurise a boiler yourself without calling a professional. You can easily find a filling loop in your local hardware stores. Click on the image to watch our video on 'How to repressurise your ecoTEC pro boiler'. and central heating system is very easy. ","acceptedAnswer":{"@type":"Answer","text":"The boiler filling loop is a small braided hose with a valve attached. Your manual can be a reference. The pressure in a central heating system will usually need to be topped up only once or twice a year. The whole process, including attaching the filling loop, opening and closing the valves and removing the filling loop should only take a couple of minutes. For the most part, you can tell by what type of boiler you have. There are also two valves: one to control the water flow (stop valve) and the other to ensure the boiler water doesnt go back to the mains (double check valve). extraordinary magic piano,