This is a silver connection between the mains and the primary central heating circuit. In some cases, you may find that your filling loop issues actually lie with bigger issues for your boiler that need to be fixed. Bosch Thermotechnology Ltd T/A Worcester Bosch Group acts as a credit broker and not a lender and do not receive a fee for the introduction. 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. jobs, 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. This article was co-authored by wikiHow Staff. If it takes longer than this, you could have a leak in the system. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . ). Easy to use filling loop to pressurise system . Condensing vs Non Condensing Boilers: Whats The Difference. It's important that you turn both taps off because if you leave them open even slightly, your boiler will go to over . Many first time homeowners have never heard of filling loops until they start looking for ways to adjust their boiler pressure. Find the filling loop. It doesnt minimise the risk. High boiler pressure could end up damaging your boiler and its system as it wont be used to the high pressure that it is currently running at. If you find that your pressure gauge is too high, try bleeding your radiators and start again, as this should help fix this. Thankfully, there are several ways you can repressurise a boiler yourself without calling a professional. Switch your boiler back on and observe. By signing up you are agreeing to receive emails according to our privacy policy. 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. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. The pressure in a central heating system will usually need to be topped up only once or twice a year. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. This prevents the valve from being turned on accidentally. By re-pressurising your boiler, youre allowing more water to enter the system from the mains supply. This article has been viewed 24,692 times. It will always save you money in the long run. 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. Lay an old towel underneath the boiler to catch any spills before turning the filling key back around and taking it out. Bring out the key for your internal filling loop. 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. Two things you dont want to happen if you want to reduce the likelihood of a costly repair job. 3. Over time its common to get a small leak on a valve or joint in the boiler. 12-year warranty on Worcester Bosch & Viessmann, Affiliate Area Join our affiliate programme now. If theyre loose, tighten them. 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. Once it is in this position, you can close the valve of the filling loop to not allow anything else through it. If it lines up, then that is the filling loop on-position. However, other types of boilers which usually have components on the outside of it likely wont have one built into the boiler itself. 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. 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. 5. Turn the boiler back on and check. The boiler was only installed in April so it's well within its warranty. If possible, wait 4 to 6 hours before working on the boiler after you turn it off. Repressurise your boiler! Thats why its so important to keep your boiler in perfect condition. You can then remove the filling key by turning it back to the open padlock position. If your boiler uses a filling key, you will need to turn the key to allow water to flow into the system. You'll see the filling loop handles at a 90 angle to the pipe. While most models have 2 valves, some only come with one. 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. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. This should be enough water to get your combi boiler back up to pressure again. There may also be a fault with your pressure release valve. 2. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . 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. 2022 Vaillant Group, Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT. Inspect the boiler filling loop. 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. Insert the filling key into the keyhole and unlock it. Topping up your boiler pressure is a simple fix and can be carried out without a heating engineer. If youve tried to re-pressurise the system once and it hasnt worked, dont keep trying it. You can typically find internal filling loops in. A number of older style boilers will have a standalone water tank full of hot water. 05272398. 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. It is common practice for the filling loop to be located next to the hot water tank. You may need tobleed your radiatorsto bring the pressure back down. Step 2. It is often used to repressurise your boiler when the water pressure is either too high or too low. Figures are based on fuel prices as of October 2022. 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. You can go between the different models and pick the one you like the best. What youre searching for is a braided hose with a small valve attached to it. Open the valves. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. Disconnect your external filling loop and clean up. How to Repressurise a Boiler via a Filling Loop. 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. Some come with one control valve and one double check valve (DCA) while others have two control valves. As long as it is high quality, you shouldnt have a problem with it. An internal filling loop is practically the same as an external filling loop. A flat head screwdriver is usually the best tool for this. 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. They usually come as an additional attachment with the boiler. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. If it goes past the ideal range, just bleed your radiator and go back to step no. An older combi boiler might have a filling key rather than a filling loop. Tel: 0330 123 933. Bosch Thermotechnology Ltd, Registered Office Address- Cotswold Way, Warndon, Worcester, WR4 9SW Company registration number in England 1993294. If the key gets stuck when trying to remove it, contact a boiler repair technician. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. Check the pressure gauge. 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. When the key is unlocked, it should feel completely secure in the manifold. 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. How long does it take to re-pressurise a boiler? feedback. Then, close both valves, one at a time. 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. 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. You can easily find an external filling loop in local hardware stores and online retailers. You can use a flat screwdriver or tap handles to simply open valves. Types of boiler filling loops Postponing a necessary, can lead to serious damage, so better address the issue as soon as possible. Because of the high degree of pressure in the system, you only need to have a very small hole to lose pressure gradually. How to reduce your boiler pressure Switch off your boiler and wait for the heating system to cool. Turn the key to the right, until it is next to the closed padlock symbol. Privacy notice Double-check if the key is completely pushed down and proceed to the next step. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. Email: How Boiler Service helps Boiler Efficiency. "}},{"@type":"Question","name":"What happens if you over-pressurise your boiler? Our Purpose: We create living space for generations to come. And If you see a number higher than 2.5, then your pressure is too high. What you are looking for is something in the middle and that is 1.5 bars. With a little luck, your boiler will regain pressure and start working as it should. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. If it does, theres a chance you may have a leak. With low operating costs, they are small appliances with a neat appearance which can be installed practically anywhere. Identify and check the boiler pressure gauge. If you find a leak or suspect that you have one, you should call a plumber who will be able to investigate and fix the problem. 4. . The system needs to be completely cool. How do you Repressurise a boiler without a filling loop? With a proper illustration, you dont have to fumble your way to the isolation valve. 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. 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. If you find you have to repressurise your heating system more often, contact a heating engineer. Some boilers & have a Standard filling loop or filling tap on pipework: This will usually look like a small silver braided hose linking two of the plumbing & heating system pipes together. With that out of the way, follow these 8 easy steps to find out how to repressurise your boiler: Step 1. Hello, Our boiler pressure is low, we cannot re-fill it with water from the filling loop. POUSE around the HOUSE Vaillant ecotec plus loosing pressure The mental gas man 3T Gas maintenance Ltd How to. Besides the distinction between external and internal filling loops come in a variety of designs. Cookies How do you Repressurise a boiler without a filling loop? An internal filling loop is practically the same as an external filling loop. Even a small leak can lead to a drop in pressure over enough time. Turn the manifold nut and the manifold key back to the locked position. That then puts a greater strain on it, reducing its lifetime and its efficiency. Keep your eyes on the pressure gauge until it reaches 1.5 bar. A system boiler heats a hot water tank to give you hot water. If the pressure drops significantly, the boiler will stop firing. . After turning your boiler off, wait a few hours so it can cool. Unfortunately, it doesnt work like that. Combi boilers need to be connected to the mains in order to increase the pressure. 146 If you attempt to bleed a radiator, you should make sure that you have a way of catching the water to prevent the walls or floor from being ruined. 285 The best tool to use is either a wrench or a spanner. Port Talbot Member since 10 Jul 2018 The pressure in a central heating system will usually need to be topped up only once or twice a year. Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. If it creates a cross or t shape, it is the filling loop off-position. 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. How often should you re-pressurise a combi boiler? 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. Turn the boiler on and check to see if it is now working correctly. Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. Soon youll know how to keep the heating on even when pressure problems loom. Afterwards, make sure everything is correct and in place and this should be completed. Monitor the valve until it reaches the recommended level for your boiler model. Bosch Thermotechnology Ltd. 2023, all rights reserved. If it lines up, then that is the filling loop on-position. When they arent, you can easily buy it separately. When it is in the off position and doesnt allow water through it, it will be perpendicular to the filling loop, creating a kind of t-shape. First of all, find the filing loop which will be underneath the boiler. Have a look underneath boiler We are credit broker and offer credit products from a panel of lenders. Over pressurising a boiler is not advisable because it has been designed to work within a set pressure range. In fact, it is one of the few things you can handle every couple of months. Croydon Member since 31 Oct 2018 It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. Make sure these valves are completely attached with the hose. If you find yourself re-pressuring it rather too frequently, you most likely have a leak somewhere in the appliance. Youll then be left with a cold house and no hot water, plus a boiler you need to learn how to troubleshoot. If your combi boiler pressure drops below 1 bar you will need to increase the pressure. With a little luck, your boiler will regain pressure and start working as it should. If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. 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. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! Open the valves. You may need tools such as a spanner to tighten the boiler filling loop and make sure nothing can get out or leak. Boiler Central Ltd is authorised and regulated by the Financial Conduct Authority (reference number 718973). Stop filling immediately if you hear the pressure valve releasing water. 0% Finance 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. Make sure to keep a close eye on your boiler. If you cant find the boiler filling loop, its possible that your unit doesnt have one. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. 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. Make sure it is in the 1-1.5 bar range (green) before turning the lever to close. Locate the arrows of the key 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. However, internal filling loops can also break or get damaged so knowing whereabouts to go to replace them is always handy. 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. Hi , there should be two blue valves just under the boiler these boilers are supplies with an internal filling loop , so probably not what you have been used to on previous boilers . You should find a built-in Dry off the key and pop it back into the tray before putting the . UK VAT Registered: 850 4121 63, Valliant Ecomax boiler - 0 pressure and no filling loop. Any spills before turning the filling loop both valves, one at a 90 angle to right! See the filling loop boiler via a filling loop then remove the loop! Number in England 1993294 instances where they are installed on the cylinder screwdriver is usually the tool... 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We create living space for generations to come plus loosing pressure the mental gas 3T., our boiler pressure drops below 1 bar you will need to topped! If the key for your boiler is not advisable because it has been designed work. Many first time homeowners have never heard of filling loops can also break or get damaged so knowing whereabouts go! Come as an external filling loop and make sure these valves are completely attached with the boiler on and to... These 8 easy steps to find out how to repressurise your boiler,...