You will also likely have to go underneath your boiler with this type of filling loop when repressurising. Finance options are offered subject to status and credit check which must be completed before commencement of works. Don't forget to put the key back in the tray, ready for the next time you need to repressurise your combi boiler. Once you think everything looks as it should, depending on the boiler you have, connect one end to the mains supply, whilst the other is usually connected to central heating systems. Bring out the key for your internal filling loop. After turning your boiler off, wait a few hours so it can cool. Typically, you can find it on the front part of the appliance. The volume of your system is fixed, so adding more water increases the pressure. 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. If you find that your pressure gauge is too high, try bleeding your radiators and start again, as this should help fix this. Always check your boiler manual to see which method you should use to re-pressurise the system. 2. Take caution when undertaking this job as the water can be very hot. First, switch off your boiler and give it sufficient time to cool. If your boiler begins to depressurize again, youll need to call a certified boiler repairman to inspect and repair it. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. Sitemap Instead of waiting for your local heating engineer to pop by, you can add this to your list along with other. You may need tools such as a spanner to tighten the boiler filling loop and make sure nothing can get out or leak. 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. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. 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. 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). You can go between the different models and pick the one you like the best. Fit your external filling loop. This will then tell you how much you need to add to your system to have it functioning as desired again. Plumbingforce can be your one-stop-shop! Double-check if the key is completely pushed down and proceed to the next step. Bosch Thermotechnology Ltd, Registered Office Address- Cotswold Way, Warndon, Worcester, WR4 9SW Company registration number in England 1993294. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. If it takes longer than this, you could have a leak in the system. It will always save you money in the long run. Every boiler is different and you will need to follow slightly different instructions depending on the model. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. Written By:JustBoilers.com Experts| Last Updated:July 2022. 4. Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. How to repressurise when theres no boiler filling loop, Repressurising a boiler : The hot water cylinder. An internal filling loop is practically the same as an external filling loop. With that out of the way, follow these 8 easy steps to find out how to repressurise your boiler: Step 1. When your boiler pressure is too low, it could cause issues with your central heating system and also affect the efficiency of your boiler, which is a problem if youre paying for a fully efficient boiler. If you wish to do it yourself, then stick to the following steps to do so correctly and without risk. Our finance provider will do a credit assessment of your circumstances when you apply. jobs, The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . A number of older style boilers will have a standalone water tank full of hot water. It is common practice for the filling loop to be located next to the hot water tank. However, there are several standout differences. To ensure that you are set up to take care of it, make sure to work through the following hints and tips. feedback. The method of this can differ in many ways, depending on the type of boiler you have, the manufacturer of it and the model that they are. 2. However, internal filling loops can also break or get damaged so knowing whereabouts to go to replace them is always handy. Repressurising a boiler is a relatively simple job and can be done on a DIY basis. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. But dont get discouraged just make sure to follow the steps weve given you and to keep the boilers instructions manual close by. Turn the valve next to the key until water flows through it. Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. 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. Click on the image to watch our video on 'How to repressurise your ecoTEC pro boiler'. 100% positive Easy to use filling loop to pressurise system . In some cases, you may need a wrench to tighten them completely. Theres clearly a problem and its best to get an engineer to have a look at whats going on. Besides the distinction between external and internal filling loops come in a variety of designs. . You need to make sure you have the right end on its designated terminal. Boiler Filling Loop What is a filling loop & how to use it? 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. Condensing vs Non Condensing Boilers: Whats The Difference. 4. Your boilers filling loop means that you can easily adjust your boiler pressure to get to the correct level for your boilers and your well-being. 1. By keeping the pressure at the proper range, you not only get an efficient boiler, but you also minimise the damage on your pipes. because it can lead to water contamination in the main lines. 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. How do you Repressurise a boiler without a filling loop? If you're experiencing issues with your boiler, then it could be down to your boiler pressure. Your ideal boiler. First of all, find the filing loop which will be underneath the boiler. There will be a small copper pipe between the two blue valves , these valves are quarter turn only . 3. The system needs to be completely cool. They usually come as an additional attachment with the boiler. Right next to them, you should see a silverish hose, which you are going to use. The pressure in a central heating system will usually need to be topped up only once or twice a year. 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. 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. Include your email address to get a message when this question is answered. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. 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. Yes, it is quite important that you install it correctly, with the filling loop valves being the right way around. This will start to increase the pressure gradually. There may also be a fault with your pressure release valve. Remove the filling key and put it back in the tray underneath your boiler. . Double-check the position of your valves so that there are no issues. Hello, If you push the button underneath the radiator symbol twice it will show you the pressure in figures. With a little luck, your boiler will regain pressure and start working as it should. However, there are several standout differences. If you accidentally over-pressurise the system, dont panic. Repressurise your boiler! Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. 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. Hayle Member since 22 May 2018 There will be a little water left over but this is nothing to worry about.Follow the video below for details on how to repressurise your boiler. is a hose that can temporarily connect your boiler to your main water supply. 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. Save my name, email, and website in this browser for the next time I comment. 100% positive You should see the gauge increase as you open the handle valve. 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. If the pressure of your boiler has dropped, you may need to re-pressurise it to ensure your boiler continues to heat your home and provide hot water effectively. Lay an old towel underneath the boiler to catch any spills before turning the filling key back around and taking it out. 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. 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. Activate your system. Turn the key to the right, until it is next to the closed padlock symbol. Do not over fill or open the tap to quickly as we need to let the system to fill gradually.Step 6 -- Once you have reached 1.5 bar, close the taps and unscrew the filling loop. My Plumbers. When it comes to the installation of your filling loop, it depends on what kind you have. You can check the pressure of your boiler and re-pressurise it yourself without having to call an engineer out. If cancelled within 14 days, alternative payment of full outstanding balance must be made. Re-pressuring is not an impossible task, however, it can be a hard one, especially if you have an internal filling key. 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. Fit the end with the stop valve near the main lines. **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). How do you Repressurise a boiler without a filling loop? You can consult the manual for this part. A leak in a valve could be a reason for losing pressure so check for water around the valve, Open both valves to allow cold water to enter the system, keeping an eye on the pressure gauge, Close both valves when the pressure gauge reaches 1.5 bar, Remove the filling loop if it isnt a built-in one, Turn the boiler back on and recheck the pressure. Repressurising your boiler is very important to how effective it is during operation, as low and high water boiler pressure can cause a number of different issues for your boiler if left untreated. An older combi boiler might have a filling key rather than a filling loop. jobs, This indicates that water has been lost from the system and needs to be replaced. 4. If youve tried everything we described in this article, and nothing helps, we suggest hiring a certified technician to inspect your water heating appliance. What you are looking for is something in the middle and that is 1.5 bars. Get in touch with one of our skilled engineers to arrange an appointment and well be there to fix the problem in no time. Depending on a number of different factors, the location of your boiler filling loop will also likely change. The most common reasons for lack of pressure include a leak somewhere in the system or a damaged pressure relief valve. The first step is always to switch off the boiler to allow it to cool down completely. If you are looking to learn how to repressurise a boiler, follow the steps below. Our Purpose: We create living space for generations to come. If it takes longer than this, you could have a leak in the system. But theres one more thing we need to talk about: the boiler filling loop. Dry off the key and pop it back into the tray before putting the . There must be a filling loop somewhere close to the boiler. Use a spanner or wrench to turn the valve next to the filling key until you can hear water flowing through it. Close the valves. How do you Repressurise a boiler without a filling loop? When this is done and everything is in order, tighten the valve and turn your key the other way before removing it. 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. The heat from the electric igniter is used to heat the metal part of the boiler. Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. Turn the boiler back on and check. An external filling loop hose is braided with compression fittings on each end. If the boiler pressure has suddenly dropped, it may be that a major leak has occurred. ","acceptedAnswer":{"@type":"Answer","text":"Unfortunately not, but it is always worth a try. Combi Boiler Too Much Pressure - How to reduce the water pressure - Central Heating Allen Hart Ideal Logic F1 Fault How To Repair your combi boiler Allen Hart Glow-worm Ultracom2 Filling. 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. Locate the cold water mains valve and the heating systems valve. If it lines up, then that is the filling loop on-position. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. That then puts a greater strain on it, reducing its lifetime and its efficiency. Find the filling loop. It is common practice for the filling loop to be located next to the hot water tank. First of all identify what sort of filling system you have and then follow the instructions, or watch our technical trainer show you how its done. If you need further assistance please call a member of the HeatCare team on 01827 870 950The whole process takes less than 3 minutes and is very easy to do. I had no hot water this morning, and the boiler was showing fault code 28. Remove it to locate the internal filling key. *Based on installing a new A-rated condensing boiler in England, Scotland and Wales with a programmer, room thermostat and thermostatic radiator controls (TRVs) in a gas heated detached home from an older G-rated boiler with a programmer and room thermostat. 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. Some have one end attached while still being disconnected, while others remove it completely. If it creates a cross or t shape, it is the filling loop off-position. If theyre loose, tighten them. Make sure these valves are completely attached with the hose. Some boilers have digital gauges and will show if the pressure is too high or too low by flashing the reading on the screen. It doesnt minimise the risk. In any case, surely this issue can't be part of normal operation? The filling loop on and off position is about whether the lever is parallel or perpendicular to the hose. 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. In fact, this is one of the main tasks of your boiler service! Turn the boiler on and check to see if it is now working correctly. The more than 13,000 members of the Viessmann family in 74 countries follow this purpose. Turn the manifold nut and the manifold key back to the locked position. Watch the pressure gauge as you do this. Our Find a New Boiler tool is the easiest way to find and compare Worcester products suitable for your home heating requirements and only takes a few minutes. 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. Tel: 0330 123 933. It is often used to repressurise your boiler when the water pressure is either too high or too low. You should never have to re-pressurise this kind of boiler. With these filling loops, one valve connects to the boiler whilst the other is connected to the main water supply. Low pressure will mean that your water wont run as effectively as it should, meaning that you will be paying your heating bills for a certain standard of running efficiency that you arent getting. 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. Since it is internal, it is fully integrated into the boiler system. If valves are difficult to turn, spray with WD 40 and wait for a few minutes. 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. Before removing the key, grab a rag or cloth to catch any water that may drip from the manifold. Then, carefully push the key inside and turn it to the. The stop valve is usually the one that connects to the central heating system as this will allow water in and out of the boiler, whereas the double-check valve is connected to the mains water line as it will prevent water from going back up into it. Yes, you certainly can. 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. Source: Energy Saving Trust. Now open the tap on the left-hand side, and you should now be able to hear the water entering the system. If your boiler uses a filling key, you will need to turn the key to allow water to flow into the system. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. The typical level to aim for is around 1 - 1.5 bar; any less and it is likely that your boiler will need to be repressurised. 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 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. We all love to stay cosy and warm at home no matter the season. jobs, If the key gets stuck when trying to remove it, contact a boiler repair technician. For the most part, you can tell by what type of boiler you have. Watch the Pressure Gauge. If you are struggling to get hot water or central heating, it may be that you need to repressurise your boiler. This article was co-authored by wikiHow Staff. It shouldnt be too hard to find. Check the filling loop, making sure both ends are attached and secure. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. An external filling loop hose is braided with compression fittings on each end. All You Need To Know About Gas Safe Engineers, A Buyers Complete Guide to Immersion Heaters, The Homeowners Guide to Boiler Installations. Wait for the water pressure to reach between 1 and 1.5 on the pressure gauge. Figures are based on fuel prices as of October 2022. 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. You can get different types of boiler filling loops, depending on what best suits your needs when you want to repressurise your boiler. They have to line up with the, position of the manifold. Do not keep trying to repressurise the system, as this could potentially cause further damage. Here we cover the following points: A boiler filling loop is a hose that can temporarily connect your boiler to your main water supply. 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. 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 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. "}},{"@type":"Question","name":"Does repressuring the boiler always work? 5. 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. Open the valves. Use an adjustable spanner to secure the connection between the filling loop, the boiler and the mains. You dont want to be left without hot water or heating. You are looking for a braided hose with a small fill valve on it. If it lines up, then that is the filling loop on-position. Opening this valve while monitoring the pressure on the boiler will add extra water to your hot water tank. How to reduce your boiler pressure Switch off your boiler and wait for the heating system to cool. It is usually on the pipework directly underneath the boiler, although it can sometimes be found under . 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. Low boiler pressure can be caused by water leaks or excessively bleeding radiators and force the boiler to shut down as a safety precaution. To allow cold water to enter the system, you'll have to open both valves of the filling loop. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! 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