Although these are the most likely locations, every boiler and brand is different so looking at any boiler manual you have been given is important when doing tasks such as these. It might take a bit longer if youve never done it before. The turn the tap on the right-hand side to the open position. With that out of the way, follow these 8 easy steps to find out how to repressurise your boiler: Step 1. Close the valves. I live with a disabled family 2008-2023 MyBuilder Limited As long as it is high quality, you shouldnt have a problem with it. ","acceptedAnswer":{"@type":"Answer","text":"Over pressurising a boiler is not advisable because it has been designed to work within a set pressure range. Locate the cold water mains valve and the heating systems valve. Hello, Written By:JustBoilers.com Experts| Last Updated:July 2022. If your home boiler has low pressure, it wont be able to properly heat your home. A boiler explosion is a catastrophic failure of a boiler. Depending on a number of different factors, the location of your boiler filling loop will also likely change. Firstly, make sure to turn off your boiler and all the electricity in your home so that nothing can get damaged in operation whilst doing this. 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. An external filling loop hose is braided with compression fittings on each end. If the gauge fails to stay in the green zone, turn the release knob on a nearby radiator to lower the pressure on your boiler. Use an adjustable spanner to secure the connection between the filling loop, the boiler and the mains. Before removing the key, grab a rag or cloth to catch any water that may drip from the manifold. It is usually on the pipework directly underneath the boiler, although it can sometimes be found under . Sitemap If you go to your hot water tank you're likely to find your filling loop there possibly attached to a small red tank(expansion vessel). If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. Turn the knob/lever of the filling loop slowly to let the water in the boiler. Have a look underneath boiler Every boiler is different and you will need to follow slightly different instructions depending on the model. You shouldnt need to do this frequently. feedback. If it is not, water will continue to enter the boiler and drip down. Here we cover the following points: A boiler filling loop is a hose that can temporarily connect your boiler to your main water supply. jobs, Use an adjustable spanner to tighten both ends. Make sure it is in the 1-1.5 bar range (green) before turning the lever to close. 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 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. To act proactively is your best go-to. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. If in doubt, you can visit the manufacturers website and get in touch with them directly. 54 4. Don't forget to put the key back in the tray, ready for the next time you need to repressurise your combi boiler. Compact, energy efficient and economical with a reputation for exceptional quality and reliability, they are suitable to meet the requirements and demands of every home, no matter how large or small. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. Topping up your boiler pressure is a simple fix and can be carried out without a heating engineer. The key should fit snugly into the manifold. Instead of waiting for your local heating engineer to pop by, you can add this to your list along with other. Combi boilers need to be connected to the mains in order to increase the 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. "}},{"@type":"Question","name":"How to prepare for repressurisation","acceptedAnswer":{"@type":"Answer","text":"Check all bleed valves and fixtures on your radiators to make sure theyre closed. This article was co-authored by wikiHow Staff. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. . Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. 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. Repressurising a boiler is a relatively simple job and can be done on a DIY basis. Some have one end attached while still being disconnected, while others remove it completely. 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. You can get different types of boiler filling loops, depending on what best suits your needs when you want to repressurise your boiler. 5. A 14 day cooling off period applies to all applications. Stop filling immediately if you hear the pressure valve releasing water. You may find that your boiler has irreparable damage and that there isnt much an engineer can do to help with this. and central heating system is very easy. First, switch off your boiler and give it sufficient time to cool. Baxi boiler blog posts from Housewarm. ATGAS. Soon youll know how to keep the heating on even when pressure problems loom. How to repressurise/refill a combi boiler. 3. 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. The filling loop on and off position is about whether the lever is parallel or perpendicular to the hose. There must be a filling loop somewhere close to the boiler. If it does, theres a chance you may have a leak. The connections are close to one another, so most internal filling loops are shorter than external ones. To ensure that you are set up to take care of it, make sure to work through the following hints and tips. E119 Error low pressure. Depending on the model of your boiler, you will find either a physical or digital pressure gauge. Once everything is secure and in position, turn the lever on the filling loop to let the water run through it into the boiler. The hose can be braided, but some models forgo this and simply have a pipe connecting the boiler and water mains with the proper fittings and valves. However, there are several standout differences. 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. Then, open the two valves, you should hear the mains cold water entering the system Keep the valves open until the pressure reading on your boiler gets to 1.5 bar. Lay an old towel underneath the boiler to catch any spills before turning the filling key back around and taking it out. Here are helpful steps you can take: Turn off your boiler or shut down the electricity. The entire heating system needs to cool before work can be carried out on it. Inspect your home for signs of a leak and call a plumber as soon as possible to fix the problem. Remove it to locate the internal filling key. Why? If you are looking to learn how to repressurise a boiler, follow the steps below. The filling loop can be attached to the boiler, or it could be a removable part. Can a boiler explode? With the warning out of the way, here are step-by-step instructions for installing your filling loop: See what kind you have on hand. This indicates that water has been lost from the system and needs to be replaced. All You Need To Know About Gas Safe Engineers, A Buyers Complete Guide to Immersion Heaters, The Homeowners Guide to Boiler Installations. On the other hand, if you have a fuel burning boiler or a systems boiler you have to install your external filling loop manually. 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. If you are struggling to get hot water or central heating, it may be that you need to repressurise your boiler. If it creates a cross or t shape, it is the filling loop off-position. The metal part of the boiler is placed in the plastic cask. How to repressurise a boiler Switch off. If you push the button underneath the radiator symbol twice it will show you the pressure in figures. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. There isnt a specific timeframe that states when you should re-pressurise your combi boiler. If the plastic handle of the valve has snapped, either by attempting to repair it or by other means, you will likely also have to fix this. Keep an eye on the pressure gauge you are looking for pressure over 1 bar. 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. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. This prevents the valve from being turned on accidentally. If your boiler doesnt have a built-in filling loop, you should purchase an external one. Turn the boiler on and check to see if it is now working correctly. How to reduce your boiler pressure Switch off your boiler and wait for the heating system to cool. There is no other way of pressuring the system without one. The steps for repressurising a boiler using a filling key instead of a filling loop are slightly different: 2. Then, carefully push the key inside and turn it to the. Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. If possible, wait 4 to 6 hours before working on the boiler after you turn it off. Turn the key to the right, until it is next to the closed padlock symbol. For example, combi boilers usually have internal filling loops, so there is no installation necessary. It will always save you money in the long run. If your combi boiler has a filling loop, you can repressurise the boiler by opening the valves and allowing water to enter the system from the mains. Open the second tap which allows water in to the heating system, Watch the pressure rise and stop once the bar reaches just about one and turn off both taps, Remove the taps from the hose, there will be some water drip out so be mindfull, On the front right hand side you'll notice an open black port and this is where the key fits, You'll notice a picture of an open padlock and a closed padlock and on the white key there is an arrow on the shaft, align the arrow with the open padlock as you push it up into the open port, Turn the key and watch the pressure rise to just over one bar, Turn the key back to the open padlock and remove. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. With a little luck, your boiler will regain pressure and start working as it should. Worcester Bosch Group will introduce you to a Worcester Accredited Installer who is authorised and regulated by the Finance Conduct Authority who will broker the finance agreement. 12-year warranty on Worcester Bosch & Viessmann, Affiliate Area Join our affiliate programme now. If you wish to do it yourself, then stick to the following steps to do so correctly and without risk. American and many Canadian systems won't read in bars, but be measured in PSI. 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? 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. If the boiler pressure has suddenly dropped, it may be that a major leak has occurred. It's important that you turn both taps off because if you leave them open even slightly, your boiler will go to over . 3. Cookies You should see the gauge increase as you open the handle valve. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. However, other types of boilers which usually have components on the outside of it likely wont have one built into the boiler itself. Repressurise your boiler! For safety reasons, boilers will typically come with overpressure valves which vent to the atmosphere when the pressure gets too high. 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 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. Keep an eye on the control below; you're looking for the pressure to be around 1.5 bar. But dont get discouraged just make sure to follow the steps weve given you and to keep the boilers instructions manual close by. There are different types of. Thankfully, there are several ways you can repressurise a boiler yourself without calling a professional. In any case, surely this issue can't be part of normal operation? 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. Opening this valve while monitoring the pressure on the boiler will add extra water to your hot water tank. 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. "}},{"@type":"Question","name":"Does repressuring the boiler always work? Bosch Thermotechnology Ltd, Registered Office Address- Cotswold Way, Warndon, Worcester, WR4 9SW Company registration number in England 1993294. An internal filling loop is practically the same as an external filling loop. The best tool to use is either a wrench or a spanner. You'll be able to identify if you have an external filling loop, because there'll be two valves;one from the mains cold water and then a second valve which is connected to the heating system. If theyre loose, tighten them. 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. In fact, this is one of the main tasks of your boiler service! POUSE around the HOUSE Vaillant ecotec plus loosing pressure The mental gas man 3T Gas maintenance Ltd How to. Save my name, email, and website in this browser for the next time I comment. You open the handle valve, follow the steps below pressure valve releasing water if you push the button the. The control below ; you & # x27 ; re looking for is a catastrophic failure of filling... 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