Make sure it is in the 1-1.5 bar range (green) before turning the lever to close. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. Over time its common to get a small leak on a valve or joint in the boiler. Two things you dont want to happen if you want to reduce the likelihood of a costly repair job. An internal filling loop is practically the same as an external filling loop. Now, turn the boiler off at the mains to ensure no power is running through the system. 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. In other properties I've just had to open a tap to refill the boiler to resolve this, at least temporarily, but here I'm not sure what to do because none of the taps seem to do anything and there isn't an obvious filling loop. Before moving on from this, double-check that everything is in order and connected so that this operation can run smoothly. If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. "}},{"@type":"Question","name":"Does repressuring the boiler always work? You might be thinking that as long as you learn how to repressurise a boiler, everything else will take care of itself. 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. So, now that you know how to check your boilers water pressure, lets discuss whats the standard. 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. An external filling loop hose is braided with compression fittings on each end. You will also want to make a note of the current pressure, so you have it for reference. Locate the arrows of the key This part is fundamental for the whole procedure. Our finance provider will do a credit assessment of your circumstances when you apply. Locate the cold water mains valve and the heating systems valve. Every type and model of boiler is slightly different so double check you know what to do. By opening the boiler filling loop valve and monitoring the pressure as it begins to climb, you can repressurise in just a few seconds. Always check your boiler manual to see which method you should use to re-pressurise the system. If you cant find the boiler filling loop, its possible that your unit doesnt have one. Ones that cater to professional plumbers and heating engineers are bound to have stock ready. If cancelled within 14 days, alternative payment of full outstanding balance must be made. 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. If in doubt, you can visit the manufacturers website and get in touch with them directly. It is used to repressurise your boiler and top up the water when you drain or bleed your system. Source: Energy Saving Trust. Unfortunately, it doesnt work like that. 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). 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 This article was co-authored by wikiHow Staff. Your plumber or heating engineer should have that taken care of for you. Stop filling immediately if you hear the pressure valve releasing water. This post explains everything you need to know when it comes to re-pressurising a boiler and how to do it. Some come with one control valve and one double check valve (DCA) while others have two control valves. If you find yourself re-pressuring it rather too frequently, you most likely have a leak somewhere in the appliance. Tighten the knob (clockwise) and turn the key to the open padlock position. Keep an eye on the pressure gauge you are looking for pressure over 1 bar. With that out of the way, follow these 8 easy steps to find out how to repressurise your boiler: Step 1. What to do if you continually lose pressure? 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. When your pressure gauge shows a number lower than 1. . This part may depend on your set up. The boiler filling loop is a small braided hose with a valve attached. This should be enough water to get your combi boiler back up to pressure again. Inspect the boiler filling loop. If youre unsure about anything, its a good idea to call an engineer who can help you. Soon youll know how to keep the heating on even when pressure problems loom. The pressure in a central heating system will usually need to be topped up only once or twice a year. 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. You'll see the filling loop handles at a 90 angle to the pipe. 69 Dunfermline Member since 2 Oct 2019 If youre doing it more often than you think you should be, contact your installer asyour boiler could be leaking. This is a silver connection between the mains and the primary central heating circuit. Yes, it is quite important that you install it correctly, with the filling loop valves being the right way around. Dry off the key and pop it back into the tray before putting the . Because of the high degree of pressure in the system, you only need to have a very small hole to lose pressure gradually. 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. Switch your boiler back on and observe. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. 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. 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. . Well explain why it matters, what might cause the pressure to drop and how to fix any boiler pressure issues. The volume of your system is fixed, so adding more water increases the pressure. First, switch off your boiler and give it sufficient time to cool. By re-pressurising your boiler, youre allowing more water to enter the system from the mains supply. "}},{"@type":"Question","name":"What happens if you over-pressurise your boiler? 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. A system boiler heats a hot water tank to give you hot water. It shouldnt be too hard to find. You need to make sure you have the right end on its designated terminal. 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. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. 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. 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. My Plumbers. How long does it take to re-pressurise a boiler? 3. You should now start hearing the water flow into the boiler. Baxi Potterton. If you require further help to repressurise your boiler, call a qualified engineer to fix the problem. 5. 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. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! 05272398. Your manual can be a reference. How do you Repressurise a boiler without a filling loop? Thanks to all authors for creating a page that has been read 24,692 times. There are different types of. When the tap is opened this will introduce cold water into the system and the gauge will start to rise (quarter turn). You can use a flat screwdriver or tap handles to simply open valves. As a fourth-generation family business, we think long-term. Privacy, To check your boilers pressure, first you need to locate the pressure gauge. The boiler was only installed in April so it's well within its warranty. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. The turn the tap on the right-hand side to the open position. Keep your eyes on the pressure gauge until it reaches 1.5 bar. Cookies If you are looking to learn how to repressurise a boiler, follow the steps below. Hello, Even the types of valves may vary. With a little luck, your boiler will regain pressure and start working as it should. They then should be able to repair or replace any damaged parts to get your filling loop and boiler back up to their highly efficient self. Use an adjustable spanner to tighten both ends. Can a boiler explode? Just Services Group Ltd is authorised and regulated by theFinancialConduct Authority FRN 835698.Credit subject to age and status. 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. Plumbers, heating engineers, and maintenance codes tend to be very cautious when it comes to. 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). Some filling loops have a screw driving slot, in which case you will need to turn the valve open a quarter turn until you hear the water entering the system. Turn off the Power. Always begin the process of repressurising your boiler by checking your boiler manual. If you don't turn it off and allow it to cool before working on it, you could damage the system or hurt yourself. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. You dont want to be left without hot water or heating. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. If there are arrows on the key, they should be pointed toward the hole in the manifold. Disconnect your external filling loop and clean up. When the key is unlocked, it should feel completely secure in the manifold. Croydon Member since 31 Oct 2018 American and many Canadian systems won't read in bars, but be measured in PSI. There may also be a fault with your pressure release valve. Applications are subject to affordability, application, status and lending criteria. As a general guide, follow these steps: 1. 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. In fact, this is one of the main tasks of your boiler service! You are looking for a braided hose with a small fill valve on it."}}]}. For example, combi boilers usually have internal filling loops, so there is no installation necessary. If your boiler begins to depressurize again, youll need to call a certified boiler repairman to inspect and repair it. How to Repressurise a Boiler via a Filling Loop. 3. These will vary depending on the manufacture. First, fully open the cold water mains valve and then the heating system one. If it is not, water will continue to enter the boiler and drip down. Insert the filling key into the keyhole and unlock it. Some brands and models might have a different placement. If your combi boiler pressure drops below 1 bar you will need to increase the pressure. 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. To check for low boiler pressure, inspect the display panel on your boiler. If it does, theres a chance you may have a leak. . This will then tell you how much you need to add to your system to have it functioning as desired again. First of all, you need to make sure the boiler is switched off. feedback, Could be in the airing cupboard or under sink, Sheffield Member since 6 Nov 2010 You will also likely have to go underneath your boiler with this type of filling loop when repressurising. Monitor the valve until it reaches the recommended level for your boiler model. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. If it's above 2 bars, you'll need to reduce the pressure. Now open the tap on the left-hand side, and you should now be able to hear the water entering the system. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. 2. 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. If it creates a cross or t shape, it is the filling loop off-position. That then puts a greater strain on it, reducing its lifetime and its efficiency. Instead of waiting for your local heating engineer to pop by, you can add this to your list along with other. Turn the knob/lever of the filling loop slowly to let the water in the boiler. Terms and conditions A number of older style boilers will have a standalone water tank full of hot water. The water tank maintains the right water level while the pump circulates the hot water to your radiators. 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. Here are helpful steps you can take: Turn off your boiler or shut down the electricity. 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. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. 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. Call us to arrange your home visit today. When it comes to the installation of your filling loop, it depends on what kind you have. Do not keep trying to repressurise the system, as this could potentially cause further damage. Open the valves. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. 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. Why? 54 Then, carefully push the key inside and turn it to the. 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. 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. Each heating system needs custom designing. 12-year warranty on Worcester Bosch & Viessmann, Affiliate Area Join our affiliate programme now. 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. If you push the button underneath the radiator symbol twice it will show you the pressure in figures. Boiler Central Ltd is authorised and regulated by the Financial Conduct Authority (reference number 718973). Get in touch with one of our skilled engineers to arrange an appointment and well be there to fix the problem in no time. Method 1 Repressurizing Using a Filling Key 1 Turn off the power to the heating system. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. 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. What youre searching for is a braided hose with a small valve attached to it. Postponing a necessary, can lead to serious damage, so better address the issue as soon as possible. E119 Error low 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. We have an excellent team of heating engineers and plumbers who are ready to help you get your central heating in tip-top shape. 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. ","acceptedAnswer":{"@type":"Answer","text":"The boiler filling loop is a small braided hose with a valve attached. All you have to do is contact us and ask for a professional to resolve the issue as soon as possible. . If youve noticed that you dont have any hot water or your radiators arent getting as hot as they should, the problem could be your boiler pressure. Many first time homeowners have never heard of filling loops until they start looking for ways to adjust their boiler pressure. Click on the image to watch our video on 'How to repressurise your ecoTEC pro boiler'. Finding these kinds of leaks can be time-consuming, so it is always worth considering hiring a professional. Installing and using a filling loop is very DIY-friendly. If it creates a cross or "t" shape, it is the filling loop off-position. What temperature should a condensing boiler be set at? ","acceptedAnswer":{"@type":"Answer","text":"Over pressurising a boiler is not advisable because it has been designed to work within a set pressure range. An older combi boiler might have a filling key rather than a filling loop. Ensure the filling loop or relief valve is tightly closed. Afterwards, insert your filling loop key after opening the hatch and place the filling loop in the correct area. feedback. Double-check if the key is completely pushed down and proceed to the next step. Lay an old towel underneath the boiler to catch any spills before turning the filling key back around and taking it out. If the pressure is too low or keeps dropping. You can easily find a filling loop in your local hardware stores. If you get stuck while trying to re-pressurise your Viessmann boiler, you can alwayscontact us for support. As you turn the handles, you should start to hear water flowing into the system. It may be that one of the two valves is stuck and cannot allow the water to pass through it, meaning that there wouldnt be any way to repressurise your boiler if the pressure is out of the usual range. A hydraulic pressure gauge will indicate the standard operating pressure with a green zone and the maximum safe operating pressures with a red zone. An external filling loop hose is braided with compression fittings on each end. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. Combi boilers need to be connected to the mains in order to increase the pressure. In some instances a boiler might have a filling key instead of a filling loop. ATGAS. jobs, 0% Finance Finance options are offered subject to status and credit check which must be completed before commencement of works. Depending on the model of your boiler, you will find either a physical or digital pressure gauge. feedback. 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. "}},{"@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. If it goes past the ideal range, just bleed your radiator and go back to step no. Afterwards, make sure everything is correct and in place and this should be completed. Registered in England No. Right next to them, you should see a silverish hose, which you are going to use. 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