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. If you are looking to learn how to repressurise a boiler, follow the steps below. 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. **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). Turn the isolation valve anti-clockwise until the line on the valve is directly in line with the pipe. jobs, A combi boiler system should be installed as a pressurised system. When it isnt it should be turned off and disconnected until the next time you repressurise your boiler. First of all, you need to make sure the boiler is switched off. If you get stuck while trying to re-pressurise your Viessmann boiler, you can alwayscontact us for support. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. Topping up your boiler pressure is a simple fix and can be carried out without a heating engineer. 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. 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. Bosch Thermotechnology Ltd, Registered Office Address- Cotswold Way, Warndon, Worcester, WR4 9SW Company registration number in England 1993294. You can typically find internal filling loops in combi boilers. 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. Our Purpose: We create living space for generations to come. We've teamed up with Homebuilding & Renovating to show you how to solve it. Repressurising is a delicate process that needs to be done the right way. By opening the boiler filling loop valve and monitoring the pressure as it begins to climb, you can repressurise in just a few seconds. In that case, you can try to check out the central heating filling loop diagram or combi boiler filling loop diagram online. Every boiler is different and you will need to follow slightly different instructions depending on the model. If you don't turn it off and allow it to cool before working on it, you could damage the system or hurt yourself. The boiler filling loop is a small braided hose with a valve attached. You can easily find an external filling loop in local hardware stores and online retailers. NEW BOILER When they arent, you can easily buy it separately. Over time its common to get a small leak on a valve or joint in the boiler. 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. With low operating costs, they are small appliances with a neat appearance which can be installed practically anywhere. 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. If it does, theres a chance you may have a leak. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. Tel: 0330 123 933. It is used to repressurise your boiler and top up the water when you drain or bleed your system. 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. Can a boiler explode? How do you Repressurise a boiler without a filling loop? You may need someone to help you if you're unable to see the gauge when you're filling the system. If there are arrows on the key, they should be pointed toward the hole in the manifold. Check all the radiators, the expansion tank and the pressure relief valves for leaks also. 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? Additionally, check the optimal running pressure in the manufacturers guidelines. 4. 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. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. Check all bleed valves and fixtures on your radiators to make sure theyre closed. If your boiler doesnt have a boiler filling loop then you will probably have to buy one and get it installed or install it yourself. The metal part of the boiler is placed in the plastic cask. Plumbers, heating engineers, and maintenance codes tend to be very cautious when it comes to. 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. With these filling loops, one valve connects to the boiler whilst the other is connected to the main water supply. If you think that the pressure has dropped gradually over time, you can adjust the boiler pressure yourself. 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). How often should boiler pressure drop? 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. You can check the pressure of your boiler by looking at the gauge on the front when your boiler is off and cool. Repressurising a boiler is a relatively simple job and can be done on a DIY basis. Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. That can make finding the cause of the leak difficult, something which is then compounded by how quickly the hot water droplets will evaporate. Have a look underneath boiler Bring out the key for your internal filling loop. If you're experiencing issues with your boiler, then it could be down to your boiler pressure. Oil/Gas Steel Shell and Cast Iron Sectional Boilers. 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. 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. Your plumber or heating engineer should have that taken care of for you. First of all, find the filing loop which will be underneath the boiler. How to repressurise your boiler with a filling loop | BOXT Boilers - YouTube In this video we're going to see how to repressurise a boiler with a filling loop. Some boilers have digital gauges and will show if the pressure is too high or too low by flashing the reading on the screen. That is designed to prevent large buildups of pressure from causing ruptures inside the boiler, and the explosion that would likely come with it. By keeping the pressure at the proper range, you not only get an efficient boiler, but you also minimise the damage on your pipes. Close the valve and turn the boiler back on. Unfortunately not, but it is always worth a try. Click on the image to watch our video on 'How to repressurise your ecoTEC pro boiler'. As a fourth-generation family business, we think long-term. And since the whole neighbourhood draws their water from the same source, this can lead to very serious and very expensive problems. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. The key can be inserted into the keyhole and put into the unlock position. Do not keep trying to repressurise the system, as this could potentially cause further damage. Dont worry, it happens. You need to make sure you have the right end on its designated terminal. Turn off the boiler. Savings will vary depending on the size and thermal performance of your home. It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. With a proper illustration, you dont have to fumble your way to the isolation valve. I live with a disabled family 2008-2023 MyBuilder Limited 100% positive Theres clearly a problem and its best to get an engineer to have a look at whats going on. Use a spanner or wrench to turn the valve next to the filling key until you can hear water flowing through it. Here are helpful steps you can take: Turn off your boiler or shut down the electricity. If youve spotted that your pressure is always dropping, you could try to find a leak yourself, but if youre unsure, call an engineer to help you determine what the problem is. Firstly, you should check that your boiler filling loop is in good condition so that none of the previously mentioned issues will occur straight away. Make sure to leave the hose attached. Attach the hose to each side of the valve and open the mains cold tap. Save my name, email, and website in this browser for the next time I comment. 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 (. A system boiler heats a hot water tank to give you hot water. 100% positive Whether you have an internal or external filling loop, it is located in the same area near the pipework, often in the underside of your boiler. 4. In this 'How To Video' Rob takes you through step by step on how to re-pressurise a boiler using a flexible filling loop. The entire heating system needs to cool before work can be carried out on it. How to Powerflush a Central Heating System. feedback. Terms and conditions 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. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise your boiler. On the other hand, if you have a fuel burning boiler or a systems boiler you have to install your external filling loop manually. Identify and check the boiler pressure gauge. Low boiler pressure can be caused by water leaks or excessively bleeding radiators and force the boiler to shut down as a safety precaution. You should see the gauge increase as you open the handle valve. Then, carefully push the key inside and turn it to the. Just Services Group Ltd is registered in England and Wales No10177302. Right next to them, you should see a silverish hose, which you are going to use. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . . 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. One end should be connected to the cold water feed with the other end needing to be connected to the system.Step 3 - There may be a cap on the end of the valves remove the cap either with a spanner or with your fingers if you are able to do so.Step 4 -- Connect the flexible hose to valves and make sure the filling loop is connected and tightened by hand to allow the repressurising to begin.Step 5 - To fill the system, locate the taps to open the filling loop. Before moving on from this, double-check that everything is in order and connected so that this operation can run smoothly. This part may depend on your set up. If you notice you dont have a filling loop, but you do have a large metal cylinder thats warm to the touch, this is precisely where you need to start looking. The system works by heating up cold water in the hot water storage cylinder which feeds into your taps. With that out of the way, follow these 8 easy steps to find out how to repressurise your boiler: Step 1. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. Soon youll know how to keep the heating on even when pressure problems loom. If your boiler starts to lose pressure again, turn it off and contact a certified boiler repair person. 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. 328 To act proactively is your best go-to. Turn the valve next to the key until water flows through it. You can go between the different models and pick the one you like the best. 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. 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. 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. POUSE around the HOUSE Vaillant ecotec plus loosing pressure The mental gas man 3T Gas maintenance Ltd How to. In any case, surely this issue can't be part of normal operation? After that, turn the white knob to the left of the key. 0% Finance You should find a built-in For example, Worcester Bosch, you turn the key from the open to the closed padlock symbol, then turn the knob beside it counterclockwise to top up the water. Trying to force the valve to turn can damage it or strip the screw head. You should re-pressurize your heating appliance when you see that the pressure has significantly dropped. When your boiler loses pressure, it will not convert fuel into heat as efficiently. Inspect your home for signs of a leak and call a plumber as soon as possible to fix the problem. If youve exceeded the recommended operating pressure by approximately 0.5 bar, you can remove it from the system by bleeding a radiator with a radiator key to repressurise your boiler. % of people told us that this article helped them. 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. You are on the UK website of the Viessmann group. 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. They usually come as an additional attachment with the boiler. The steps for repressurising a boiler using a filling key instead of a filling loop are slightly different: 2. Re-pressuring is not an impossible task, however, it can be a hard one, especially if you have an internal filling key. 3. The steps for repressurising a boiler using a filling key instead of a filling loop are slightly different: 1. What youre searching for is a braided hose with a small valve attached to it. 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. 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. You can typically find internal filling loops in. 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