In fact, this is one of the main tasks of your boiler service! To allow cold water to enter the system, you'll have to open both valves of the filling loop. Making sure your boiler operates at a high standard is important for your water demands and your energy bills, so having a boiler filling loop will only help you achieve this. **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). Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. Full written summary can be viewed here http://www.newave-education.co.uk/case-studies/how-to-repressurise-a-boiler Video produced by Newave Arts - www.newave-education.co.ukYour combi boiler will require a certain amount of pressure in the system to work correctly which is around 1 and 1.5 bar. Even a small leak can lead to a drop in pressure over enough time. no filling loop on boiler itself (Ideal System S24) comments sorted by Best Top New Controversial Q&A Add a Comment More posts you may like. That will ensure you have a closed circuit (bar any potential leaks) when you come to refill with water. The Vitodens family is our best selling range of gas condensing boilers. It is used to repressurise your boiler and top up the water when you drain or bleed your system. 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. It happens when you have a leak in the system (water out of your taps does not count) and typically occurs at joints and valves. When the pressure dial reaches 1.5, you can turn the white knob back off. Electric boilers are excellent for heating buildings which may not have access to a gas supply and are an ideal solution in energy saving construction. One end will have a handle valve while the other end will have an isolation valve. Just make sure the valve is firmly shut before firing the boiler. Opening this valve while monitoring the pressure on the boiler will add extra water to your hot water tank. Tel: 0330 123 933. 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. But theres one more thing we need to talk about: the boiler filling loop. Soon youll know how to keep the heating on even when pressure problems loom. To ensure that you are set up to take care of it, make sure to work through the following hints and tips. Your manual can be a reference. There may also be a fault with your pressure release valve. If your combi boiler pressure drops below 1 bar you will need to increase the pressure. feedback. 99% positive Theres clearly a problem and its best to get an engineer to have a look at whats going on. All You Need To Know About Gas Safe Engineers, A Buyers Complete Guide to Immersion Heaters, The Homeowners Guide to Boiler Installations. Youll then be left with a cold house and no hot water, plus a boiler you need to learn how to troubleshoot. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. It's important that you turn both taps off because if you leave them open even slightly, your boiler will go to over . The pressure in a central heating system will usually need to be topped up only once or twice a year. Re-pressuring is not an impossible task, however, it can be a hard one, especially if you have an internal filling key. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . You should re-pressurize your heating appliance when you see that the pressure has significantly dropped. First, fully open the cold water mains valve and then the heating system one. Remove it to locate the internal filling key. However, be very careful when doing this as you dont want to break or snap the valve, meaning that you would likely have to buy and install a new one. Make sure to keep a close eye on your boiler. This is due to the design making each side fit a specific part of the boiler, so getting it wrong could cause an issue or for you to do something wrong. If it lines up, then that is the filling loop on-position. The metal part of the boiler is placed in the plastic cask. Avoid the fines and only bring out your filling loop when necessary. For example, a combi boiler filling loop will be installed inside the boiler itself, but access to this will likely be at the underside of the boiler. 285 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. The connections are close to one another, so most internal filling loops are shorter than external ones. How do you Repressurise a boiler without a filling loop? However, if you have a conventional boiler system, you may have a self-filling water tank (usually located in the loft) which controls the pressure for you. When it isnt it should be turned off and disconnected until the next time you repressurise your boiler. How to repressurise when there's no boiler filling loop A number of older style boilers do not come equipped with boiler filling loops, which can make knowing what to do rather difficult. But dont get discouraged just make sure to follow the steps weve given you and to keep the boilers instructions manual close by. Leave a Comment / Boiler Repair / By Steven Reid / February 20, 2023 February 20, 2023 / Boiler Repair / By Steven Reid / February 20, 2023 February 20, 2023 Once this has been done, fire your system up and check the pressure gauge, which should be between the right range of 1-1.5 bars. A hydraulic pressure gauge will indicate the standard operating pressure with a green zone and the maximum safe operating pressures with a red zone. Finding these kinds of leaks can be time-consuming, so it is always worth considering hiring a professional. A 14 day cooling off period applies to all applications. Credit is subject to age and status and is available to UK residents with a bank account in the UK aged 18 and over who have not been declared bankrupt of had CCJ or an IVA within the last 6 years. Stop once it reaches the recommended level for your boiler. By re-pressurising your boiler, youre allowing more water to enter the system from the mains supply. Can anyone help me fix this while I wait for Ideal to send someone? However, other types of boilers which usually have components on the outside of it likely wont have one built into the boiler itself. For the most part, you can tell by what type of boiler you have. Use an adjustable spanner to tighten both ends. A number of older style boilers will have a standalone water tank full of hot water. feedback, Could be in the airing cupboard or under sink, Sheffield Member since 6 Nov 2010 However, if the boiler pressure has dropped gradually over time you may be able fix the issue by repressurising the boiler. This may become quite tiring and annoying, however, so replacing your old handle is likely the more convenient of the two options. You should see valves at both ends of hose. Boiler Central Ltd is authorised and regulated by the Financial Conduct Authority (reference number 718973). You should now start hearing the water flow into the boiler. Topping up your boiler pressure is a simple fix and can be carried out without a heating engineer. http://www.vaillant.co.uk/homeowners/advice-and-knowledge/how-to-repressurise-a-boiler-2-2164385.html. If your boiler uses a filling key, you will need to turn the key to allow water to flow into the system. First, switch off your boiler and give it sufficient time to cool. 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. Turn off the boiler. Trying to force the valve to turn can damage it or strip the screw head. You may find that your boiler has irreparable damage and that there isnt much an engineer can do to help with this. You should find a built-in Because of the high degree of pressure in the system, you only need to have a very small hole to lose pressure gradually. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. Finance options are offered subject to status and credit check which must be completed before commencement of works. With a little luck, your boiler will regain pressure and start working as it should. Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. You should then check the pressure gauge and make sure your boilers pressure is at the recommended level of between 1-1.5 bars so that the pressure is not too high or too low. The pressure in a central heating system will usually need to be topped up only once or twice a year. If theyre loose, tighten them. Turn the boiler on and check to see if it is now working correctly. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. First of all, you need to make sure the boiler is switched off. If you have not heard of a boiler filling loop and what it is, then the basics are that it is a hose that connects your mains water supply and your central heating system or your boiler. You dont want to be left without hot water or heating. 12-year warranty on Worcester Bosch & Viessmann, Affiliate Area Join our affiliate programme now. With a proper illustration, you dont have to fumble your way to the isolation valve. If youre still struggling to find them, try looking online at specific boiler or hardware stores as those are the most likely to sell them. This will be outlined in the boiler manual. They usually come as an additional attachment with the boiler. E119 Error low pressure. When the pressure is at 1.5 bar, close the valve with the spanner and remove the key by turning it to the lock position. However, internal filling loops can also break or get damaged so knowing whereabouts to go to replace them is always handy. There must be a filling loop somewhere close to the boiler. Open the valves. This indicates that water has been lost from the system and needs to be replaced. Turn the isolation valve anti-clockwise until the line on the valve is directly in line with the pipe. When they arent, you can easily buy it separately. The key should fit snugly into the manifold. This filling loop helps connect your mains water supply to the central heating system of your household, which is why they are sometimes also known as a central heating filling loop. Croydon Member since 31 Oct 2018 This step may vary according to your boiler. As a fourth-generation family business, we think long-term. This part is fundamental for the whole procedure. Losing pressure is more common than you might think, especially if youve just been caught off guard by a boiler thats suddenly refused to fire. ","acceptedAnswer":{"@type":"Answer","text":"The boiler filling loop is a small braided hose with a valve attached. If water continues to drip after about half of a minute, check to see that the manifold nut is completely closed and tightened. I had no hot water this morning, and the boiler was showing fault code 28. How often should you re-pressurise a combi boiler? Sitemap Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. Turn the handle valve anti-clockwise. https://www.homebuilding.co.uk/advice/how-to-repressurise-a-boiler, https://heatingforce.co.uk/blog/how-to-repressurise-a-boiler/, https://www.britishgas.co.uk/home-services/boilers-and-heating/guides/boiler-pressure.html, https://www.youtube.com/watch?v=23vahQHOnGo, https://singletrackworld.com/forum/topic/low-pressure-in-boiler-but-no-filling-loop/, {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Can you repressurise a boiler too often? This article was co-authored by wikiHow Staff. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. Baxi boiler blog posts from Housewarm. What happens if you over pressurise your boiler? 2. r/Plumbing I want to say THANK YOU to all you plumbers out there who save DIYers, like myself. Turn off the boiler. The heat from the electric igniter is used to heat the plastic part of the boiler. feedback. Check the pressure gauge until it reaches the right range, usually 1-1.5 bar (keep it green). After that, turn the white knob to the left of the key. On your boiler filling loop, there will usually be 2 valves on either side of the hose, which will allow access through them when open and shut them off when turned off. The entire heating system needs to cool before work can be carried out on it. Yes, you certainly can. All you have to do is contact us and ask for a professional to resolve the issue as soon as possible. How often should boiler pressure drop? 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. This article has been viewed 24,692 times. New boilers in stock next day installation available! Here are helpful steps you can take: Turn off your boiler or shut down the electricity. If hard water and scale buildup inside pipes is potentially a problem in your area, this could also cause pressure fluctuations if a pipe is partially blocked. If youre unsure about anything, its a good idea to call an engineer who can help you. Include your email address to get a message when this question is answered. Repressurising a boiler is a relatively simple job and can be done on a DIY basis. How do you Repressurise a boiler without a filling loop? If cancelled within 14 days, alternative payment of full outstanding balance must be made. Then, close both valves, one at a time. You are looking for a braided hose with a small fill valve on it. How to reduce your boiler pressure Switch off your boiler and wait for the heating system to cool. The system works by heating up cold water in the hot water storage cylinder which feeds into your taps. NEW BOILER Bosch Thermotechnology Ltd, Registered Office Address- Cotswold Way, Warndon, Worcester, WR4 9SW Company registration number in England 1993294. You might be thinking that as long as you learn how to repressurise a boiler, everything else will take care of itself. Dunfermline Member since 2 Oct 2019 Re-pressurising your boiler isnt a complicated procedure, and you should regularly check the pressure to make sure the system is running as it should. There is no other way of pressuring the system without one. Two things you dont want to happen if you want to reduce the likelihood of a costly repair job. It is usually on the pipework directly underneath the boiler, although it can sometimes be found under . After turning your boiler off, wait a few hours so it can cool. Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. If cancelled within 14 days, alternative payment of full outstanding balance must be made. 2022 Vaillant Group, Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT. Just Services Group Ltd is registered in England and Wales No10177302. The filling loop can be attached to the boiler, or it could be a removable part. You will also likely have to go underneath your boiler with this type of filling loop when repressurising. Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. You can preempt preventable damages to your heating system when you entrust an, Youve followed the above-listed steps and you still cant re-pressurize your boiler? Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. **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). If the pressure drops significantly, the boiler will stop firing. Can a boiler explode? We all love to stay cosy and warm at home no matter the season. Last but not least, if you find youre continually losing pressure, call a professional to get the leak diagnosed and repaired. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. Access to this when attempting to fix your boiler pressure is usually behind a hatch or flap that has a spot where a filling loop key should be inserted. However, there are two main ways to top up your boiler, either via an external filling loop or an internal filling loop (either keyed or keyless) - and both methods are demonstrated in the video and the step-by-step guide below. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. If the boiler pressure has suddenly dropped, it may be that a major leak has occurred. 05272398. Baxi Potterton. 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. If it does, theres a chance you may have a leak. 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. The stop valve should be connected to your boiler with the other side connected to your mains supply, where both should be fixed firmly into place to prevent a leak. . It will always save you money in the long run. One valve is used to control the water flow going through the hose and the other valve is to prevent any water from going back up into the water mains, known as the double check valve. Depending on the age and type of boiler, you may be able to repressurise it yourself by using the filling key to add water or by opening the water filling valves. 0% Finance Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. 5. Insert the filling key into the keyhole and unlock it. If the pressure reads at 2.75 bar or above, you may need to bleed a radiator to release the pressure and bring it back down to a suitable level. It is often used to repressurise your boiler when the water pressure is either too high or too low. Low boiler pressure can be caused by water leaks or excessively bleeding radiators and force the boiler to shut down as a safety precaution. Finance options are offered subject to status and credit check which must be completed before commencement of works. Boiler filling loops are used when you install and service a boiler or when you drain or bleed your system. An external filling loop hose is braided with compression fittings on each end. If in doubt, you can visit the manufacturers website and get in touch with them directly. 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. ATGAS. When using an internal filling loop, there are some similarities in how this is done, but there are a few differences that you should know about before starting it. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. Double-check the position of your valves so that there are no issues. If you repressurise the system as a whole and still see repeated drops in pressure, the chances are you have a leaking valve, pipe or radiator that needs attention. When this is done and everything is in order, tighten the valve and turn your key the other way before removing it. This part may depend on your set up. As long as it is high quality, you shouldnt have a problem with it. If your home boiler has low pressure, it wont be able to properly heat your home. 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. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. 3. Because of the boiler filling loop regulations. feedback. Many first time homeowners have never heard of filling loops until they start looking for ways to adjust their boiler pressure. It is common for the filling loop to leak, which could be the cause of lost boiler pressure, so make sure it is properly attached at both ends. If it goes past the ideal range, just bleed your radiator and go back to step no. Keep an eye on the pressure gauge you are looking for pressure over 1 bar. If you have followed the steps above but your boilers pressure levels drop as soon as you close the valve, it is highly likely that there is a significant leak. Let's look at how to repressurise a Worcester boiler using an external filling loop: As always, start by switching off your boiler and allowing it to cool for at least four hours. . The boiler was only installed in April so it's well within its warranty. Ensure the filling loop or relief valve is tightly closed. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. 4. On the other hand, if you have a fuel burning boiler or a systems boiler you have to install your external filling loop manually. If you are struggling to get hot water or central heating, it may be that you need to repressurise your boiler. How often should boiler pressure drop? If the pressure is too low or keeps dropping. Tighten the knob (clockwise) and turn the key to the open padlock position. You are looking for a braided hose with a small fill valve on it."}}]}. How to repressurise/refill a combi boiler. Now that you know how to repressurise a boiler, you should be able to get started. 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 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 Find a local installer Each heating system needs custom designing.