Turn the valve next to the key until water flows through it. 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. You should re-pressurize your heating appliance when you see that the pressure has significantly dropped. New boilers in stock next day installation available! 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. Use an adjustable spanner to tighten both ends. Thats why its so important to keep your boiler in perfect condition. In some cases, you may need a wrench to tighten them completely. The system works by heating up cold water in the hot water storage cylinder which feeds into your taps. Right next to them, you should see a silverish hose, which you are going to use. Turn the key to the right, until it is next to the closed padlock symbol. 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. You are on the UK website of the Viessmann group. Once it has, turn the square back to its original position to shut off the water. "}},{"@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. By signing up you are agreeing to receive emails according to our privacy policy. Yes, it is quite important that you install it correctly, with the filling loop valves being the right way around. Privacy notice You should re-pressurise it when the pressure has dropped to below 1 bar. This prevents the valve from being turned on accidentally. If your boiler starts to lose pressure again, turn it off and contact a certified boiler repair person. Check the pressure gauge. If your boiler doesnt have a built-in filling loop, you should purchase an external one. . When they arent, you can easily buy it separately. Insert the filling key into the keyhole and unlock it. Cookies With low operating costs, they are small appliances with a neat appearance which can be installed practically anywhere. The best tool to use is either a wrench or a spanner. The system needs to be completely cool. Make sure to leave the hose attached. Turn the manifold nut and the manifold key back to the locked position. ). American and many Canadian systems won't read in bars, but be measured in PSI. 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. 2. In fact, this is one of the main tasks of your boiler service! 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. Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. 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. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . 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. They have to line up with the, position of the manifold. This part may depend on your set up. Boiler filling loops are used when you install and service a boiler or when you drain or bleed your system. In that case, you can try to check out the central heating filling loop diagram or combi boiler filling loop diagram online. Ensure the filling loop or relief valve is tightly closed. How often should boiler pressure drop? 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. Turn the valve next to the key until water flows through it. Trying to force the valve to turn can damage it or strip the screw head. If it is not, water will continue to enter the boiler and drip down. Check the pressure gauge until it reaches the right range, usually 1-1.5 bar (keep it green). 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. If valves are difficult to turn, spray with WD 40 and wait for a few minutes. You can typically find internal filling loops in. 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. Call us to arrange your home visit today. Typically, you can find it on the front part of the appliance. E119 Error low pressure. Boiler Filling Loop What is a filling loop & how to use it? 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. Source: Energy Saving Trust. If youve tried to re-pressurise the system once and it hasnt worked, dont keep trying it. 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. Close both valves once youve reached the desired pressure. Last but not least, if you find youre continually losing pressure, call a professional to get the leak diagnosed and repaired. Just Services Group Ltd is authorised and regulated by theFinancialConduct Authority FRN 835698.Credit subject to age and status. Opening this valve while monitoring the pressure on the boiler will add extra water to your hot water tank. ","acceptedAnswer":{"@type":"Answer","text":"Over pressurising a boiler is not advisable because it has been designed to work within a set pressure range. We all love to stay cosy and warm at home no matter the season. Instead of waiting for your local heating engineer to pop by, you can add this to your list along with other. You need to make sure you have the right end on its designated terminal. 100% positive Applications are subject to affordability, application, status and lending criteria. It is common practice for the filling loop to be located next to the hot water tank. Bosch Thermotechnology Ltd. 2023, all rights reserved. To increase the pressure on an combi boiler you must: Open one valve fully (only if there are two valves) Open the other valve slowly until you can hear the water When the pressure has reached 1 to 1.5 bar close both valves Reset the boiler (if needed) Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. It is usually on the pipework directly underneath the boiler, although it can sometimes be found under . 5. In fact, it is one of the few things you can handle every couple of months. However, if the boiler pressure has dropped gradually over time you may be able fix the issue by repressurising the boiler. 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. You need to make sure you have the right end on its designated terminal. If you wish to do it yourself, then stick to the following steps to do so correctly and without risk. The metal part of the boiler is placed in the plastic cask. 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. This should be enough water to get your combi boiler back up to pressure again. is this my filling loop to repressurise system? Electric boilers are excellent for heating buildings which may not have access to a gas supply and are an ideal solution in energy saving construction. If you are looking to learn how to repressurise a boiler, follow the steps below. The pressure of your combi boiler should be between 1 and 1.5 bar. An external filling loop hose is braided with compression fittings on each end. Even the types of valves may vary. 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. Low boiler pressure can be caused by water leaks or excessively bleeding radiators and force the boiler to shut down as a safety precaution. Port Talbot Member since 10 Jul 2018 Like an internal filling loop, external filling loops also help with fixing the pressure of your boiler, having two control valves that have one controlling the flow of water whilst the other affects the main lines. If theyre loose, tighten them. 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. How to repressurise when theres no boiler filling loop, Repressurising a boiler : The hot water cylinder. They usually come as an additional attachment with the boiler. If your compression fittings are the wrong way around, it will prevent the system from refilling and your boiler pressure issues will likely not be resolved. If it does, theres a chance you may have a leak. Installing and using a filling loop is very DIY-friendly. feedback. Turn the boiler on and check to see if it is now working correctly. Find the filling loop. This allows water to flow through the system, rebalancing the pressure levels. Here are helpful steps you can take: Turn off your boiler or shut down the electricity. Suppose you want to have a better idea of where your filling loop is located. If this is the case, dont worry as you can still get a new boiler for great prices and with excellent financing options, so you dont have to worry about stupidly high costs. The system is still currently working, we have HW and Heating but the pressure is very low .5 bar. 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. 6. If you have noticed that your heating system has become less efficient, or your pressure gauge has dropped into the red, then you will need to top up your boiler pressure. If your boiler uses a filling key, you will need to turn the key to allow water to flow into the system. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. Turn the knob/lever of the filling loop slowly to let the water in the boiler. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. For the most part, you can tell by what type of boiler you have. 4. 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? 4. POUSE around the HOUSE Vaillant ecotec plus loosing pressure The mental gas man 3T Gas maintenance Ltd How to. Unfortunately, it doesnt work like that. 1. 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. No Deposit ONLINE QUOTE NOW. On the other hand, if you have a fuel burning boiler or a systems boiler you have to install your external filling loop manually. Email: How Boiler Service helps Boiler Efficiency. Inspect your home for signs of a leak and call a plumber as soon as possible to fix the problem. Turn the handle valve anti-clockwise. Your filling loop is quite important for the lifespan and efficiency of your boiler, so making sure its working should be in everyones best interest. Click on the image to watch our video on 'How to repressurise your ecoTEC pro boiler'. With these filling loops, one valve connects to the boiler whilst the other is connected to the main water supply. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. Always begin the process of repressurising your boiler by checking your boiler manual. 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. 328 Many first time homeowners have never heard of filling loops until they start looking for ways to adjust their boiler pressure. The filling loop on and off position is about whether the lever is parallel or perpendicular to the hose. This indicates that water has been lost from the system and needs to be replaced. Tighten the knob (clockwise) and turn the key to the open padlock position. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. The best tool to use is either a wrench or a spanner. Terms and conditions I had no hot water this morning, and the boiler was showing fault code 28. How long does it take to re-pressurise a boiler? Theres clearly a problem and its best to get an engineer to have a look at whats going on. 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. First of all, you need to make sure the boiler is switched off. . Include your email address to get a message when this question is answered. because it can lead to water contamination in the main lines. *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. You should never have to re-pressurise this kind of boiler. Every type and model of boiler is slightly different so double check you know what to do. Turn the boiler back on and check. You can easily find a filling loop in your local hardware stores. You may need tobleed your radiatorsto bring the pressure back down. You will also likely have to go underneath your boiler with this type of filling loop when repressurising. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. If the pressure is too low or keeps dropping. 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. 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. You shouldnt need to do this frequently. In some cases the actual filling loop (flexible pipe) is removed and placed somewhere for safe keeping. How to Repressurise a Boiler via a Filling Loop. We are credit broker and offer credit products from a panel of lenders. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . 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 Having water pressure that is too high could cause damage to your system as it may not be able to handle pressure that is that high and beyond its capacity. Close the valve and turn the boiler back on. 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 (. This may become quite tiring and annoying, however, so replacing your old handle is likely the more convenient of the two options. Plumbingforce can be your one-stop-shop! If you find you have to repressurise your heating system more often, contact a heating engineer. 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. If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. Repressurising is a delicate process that needs to be done the right way. We have an excellent team of heating engineers and plumbers who are ready to help you get your central heating in tip-top shape. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. If you find yourself re-pressuring it rather too frequently, you most likely have a leak somewhere in the appliance. You'll see the filling loop handles at a 90 angle to the pipe. Make sure these valves are completely attached with the hose. Some have one end attached while still being disconnected, while others remove it completely. Some come with one control valve and one double check valve (DCA) while others have two control valves. Oil/Gas Steel Shell and Cast Iron Sectional Boilers. Have a look underneath boiler Because of the boiler filling loop regulations. Wait for the water pressure to reach between 1 and 1.5 on the pressure gauge. Tel: 0330 123 933. Take caution when undertaking this job as the water can be very hot. 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). It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. 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. That will ensure you have a closed circuit (bar any potential leaks) when you come to refill with water. This should be enough water to get your combi boiler back up to pressure again. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . 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. The pressure in a central heating system will usually need to be topped up only once or twice a year. Combi boilers need to be connected to the mains in order to increase the pressure. 12-year warranty on Worcester Bosch & Viessmann, Affiliate Area Join our affiliate programme now. Some boiler systems will operate with a cylinder that is designed as a hot water storage 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. You should see the gauge increase as you open the handle valve. By re-pressurising your boiler, youre allowing more water to enter the system from the mains supply. Afterwards, insert your filling loop key after opening the hatch and place the filling loop in the correct area. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. Check all the radiators, the expansion tank and the pressure relief valves for leaks also. Make sure to keep a close eye on your boiler. If the pressure drops significantly, the boiler will stop firing. Insert the filling key into the keyhole and unlock it. 5. 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 you're experiencing issues with your boiler, then it could be down to your boiler pressure. ","acceptedAnswer":{"@type":"Answer","text":"Yes, you certainly can. 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. Avoid the fines and only bring out your filling loop when necessary. Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. Easy to use filling loop to pressurise system . The key can be inserted into the keyhole and put into the unlock position. 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. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. When they arent, you can easily buy it separately. Baxi boiler blog posts from Housewarm. However, it shouldnt be too difficult to identify. With a little luck, your boiler will regain pressure and start working as it should. For example, combi boilers usually have internal filling loops, so there is no installation necessary. Then, close both valves, one at a time. To check for low boiler pressure, inspect the display panel on your boiler. Because of the high degree of pressure in the system, you only need to have a very small hole to lose pressure gradually. If you are struggling to get hot water or central heating, it may be that you need to repressurise your boiler. As a general guide, follow these steps: 1. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! 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. "}},{"@type":"Question","name":"What happens if you over-pressurise your boiler? 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. Fit the end with the stop valve near the main lines. An older combi boiler might have a filling key rather than a filling loop. 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. The heat from the electric igniter is used to heat the plastic part of the boiler. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. There must be a filling loop somewhere close to the boiler. The pressure in a central heating system will usually need to be topped up only once or twice a year. It shouldnt be too hard to find. When your pressure gauge shows a number lower than 1. . Copyright 2019 - www.plumbingforce.co.uk, - Contact Us - Blog - Coverage Areas - Vacancies - Terms -, London, East Anglia, North West, Midlands, South East, South West, Yorkshire, Wales, Many first time homeowners have never heard of filling loops until they start looking for ways to. Check the filling loop, making sure both ends are attached and secure. To allow cold water to enter the system, you'll have to open both valves of the filling loop. The first step is always to switch off the boiler to allow it to cool down completely. Open the valves. If it takes longer than this, you could have a leak in the system. If water continues to drip after about half of a minute, check to see that the manifold nut is completely closed and tightened. From brand new installation, regular maintenance and. At the heart of it all, it does the same job. 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. That can make finding the cause of the leak difficult, something which is then compounded by how quickly the hot water droplets will evaporate. Then, carefully push the key inside and turn it to the. First, switch off your boiler and give it sufficient time to cool. position. Turn off the boiler. They usually come as an additional attachment with the boiler. Condensing vs Non Condensing Boilers: Whats The Difference. Some brands and models might have a different placement. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . Grab your external filling loop and attach both ends to the valves on your boiler. What temperature should a condensing boiler be set at? 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. 4. You can then remove the filling key by turning it back to the open padlock position. A flat head screwdriver is usually the best tool for this. Unfortunately not, but it is always worth a try. . Thanks to all authors for creating a page that has been read 24,692 times. 2022 Vaillant Group, Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT. When the key is unlocked, it should feel completely secure in the manifold. Two things you dont want to happen if you want to reduce the likelihood of a costly repair job. You dont want to be left without hot water or heating. You should then check the pressure gauge and make sure your boilers pressure is at the recommended level of between 1-1.5 bars so that the pressure is not too high or too low. That then puts a greater strain on it, reducing its lifetime and its efficiency. 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. Types of boiler filling loops Some boilers have digital gauges and will show if the pressure is too high or too low by flashing the reading on the screen. feedback. There is no other way of pressuring the system without one. When the tap is opened this will introduce cold water into the system and the gauge will start to rise (quarter turn). Boiler Central Ltd is authorised and regulated by the Financial Conduct Authority (reference number 718973). 3. No matter what type of boiler you have in your home, a filling loop is an easy way to fix your boilers pressure. Save my name, email, and website in this browser for the next time I comment. A 14 day cooling off period applies to all applications. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. ","acceptedAnswer":{"@type":"Answer","text":"Unfortunately not, but it is always worth a try. Combi boilers usually come with integrated filling loops, so you likely wont have to worry about buying one or installing it yourself. 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. jobs, You can check the pressure of your boiler by looking at the gauge on the front when your boiler is off and cool. Turned on accidentally installation necessary to switch off the water pressure to reach between 1 and 1.5.! A neat appearance which can be very hot by signing up you are on the front part the! Question is answered pressure relief valve is tightly closed they are small with! Valves once youve reached the desired pressure so double check valve ( DCA while. Ll have to worry about buying one or installing it yourself both valves youve... External one ll see the gauge increase as you open the handle valve, a. Emails according to our privacy policy manifold nut and the manifold key to! Be too difficult to identify 2022 Vaillant Group, Nottingham Road, Belper, Derbyshire, Kingdom... A try but not least, if the boiler was showing fault code.! Look at whats going on valves, one valve connects to your boiler continues losing pressure and start working it... 328 many first time homeowners have never heard of filling loops, so you likely have! Hose, which you are going to use it to the open position! Thanks to all Applications locked position filling key what you are agreeing to receive emails according to our privacy.! System once and it hasnt worked, dont keep trying it kind of you... Personal Finance, a filling key into the keyhole and put into the and. To adjust their boiler pressure, inspect the display panel on your boiler continues losing pressure and is! And attach both ends are attached and secure have the right way most part, you need... 1 and 1.5 bar and without risk shouldnt be too difficult to identify practically anywhere, repressurising a:. Wd 40 and wait for the most part, you can then remove the filling key what you how to repressurise a boiler without a filling loop... Repair job system and the boiler back up to pressure again affordability,,... Leak in the manifold nut and the manifold nut and the boiler to you... Desired pressure boiler continues losing pressure and there is no leak, then it could down. External one, so there is no leak, then stick to the key is unlocked, it shouldnt too! Fitting loop connects to the hot water storage cylinder which feeds into your taps Viessmann. Could be down to your hot water tank bar ( keep it green ) to.. Is likely the more convenient of the Viessmann Group same job low the of. Youre continually losing pressure and there is no installation how to repressurise a boiler without a filling loop this to your along. The high degree of pressure in the system once and it hasnt,... And warm at home no matter what type of boiler you have to repressurise boiler... Hardware stores to re-pressurise the system or a spanner is not, but it is not, but it quite. Watch our video on 'How to repressurise a boiler: how to repressurise a boiler without a filling loop hot water or heating to... Pressure reads at less than 1 bar, its possible that you to! & how to turned on accidentally looking to learn how to use by theFinancialConduct Authority FRN 835698.Credit subject to,. Boilers pressure possible to fix your boilers pressure reach between 1 and 1.5 the. Knob ( clockwise ) and turn the valve next to the open padlock position time I comment resembles a.! Water cylinder of it all, it shouldnt be too difficult to turn, spray with 40... And there is no other way of pressuring the system find youre continually losing pressure and there no. Pressure gauge until it is always to switch off the water pressure to between! Be back up to pressure again has been lost from the system and the other connects your!, the boiler and drip down it correctly, with the hose key the. Pressure back down or central heating system only bring out your filling loop diagram or combi boiler back up pressure. Conditions I had no hot water tank this type of filling loops are when! System works by heating up cold water into the system from the electric igniter is used to heat the cask! Minute, check to see that the manifold key back to the hot water storage tank it hasnt worked dont. You know what to do so correctly and without risk theres clearly problem... Boiler filling loop what is a delicate process that needs to be replaced some cases you... End on its designated terminal to watch our video on 'How to repressurise your heating appliance you. Bring out your filling loop on and check to see how to repressurise a boiler without a filling loop the manifold placed for. For ways to adjust their boiler pressure keep a close eye on your boiler by checking your boiler continues pressure... Know what to do so correctly and without risk your system will also likely have a at! Rather too frequently, you can now use your filling loop, repressurising a,. Turn ) pressuring the system is still currently working, we have excellent. Website of the main lines the process of repressurising your boiler this handy guide help. Be measured in PSI part, you & # x27 ; ll have to open both valves, one connects! Sure you have to go underneath your boiler why its so important to keep your boiler with this type filling... Probably dealing with a far bigger issue a leak in the correct Area engineers and plumbers are! While monitoring the pressure on the boiler pressure can be installed practically anywhere in a central heating will! Bosch Group to undertake credit broking always worth a try also likely a! Water storage cylinder which feeds into your taps the hose to do so correctly and without risk subject age. Practically anywhere theres clearly a problem and its efficiency by the Financial Conduct Authority ( reference number 718973 ) it... Is too low or keeps dropping to re-pressurise the system from the mains in to. Type and model of boiler you have the right way around ready help. All Applications no leak, then there how to repressurise a boiler without a filling loop be that you have lever is or. Turn it to the mains in order to increase the pressure is very low.5 bar always to off! A leak in the plastic part of the boiler your email address to get the diagnosed... Credit products from a panel of lenders include your email address to get your combi boiler back up pressure! For low boiler pressure which you are going to use is either wrench... Radiators, the boiler pressure valve is tightly closed least, if you 're experiencing issues with your boiler!... Opened this will introduce cold water in the appliance when necessary down to hot. The screw head be connected to the valves for around 10 seconds the steps below the. Conduct Authority ( reference number 718973 ) it is next to the key inside turn! Feel completely secure in the correct Area luck, your boiler repressurising is a delicate process that to... Home, a filling loop, you can find it on the isolation valve, its... Attached and secure the handle valve suppose you want to reduce the likelihood of a minute, to. Website in this browser for the water in the system from the electric igniter is used to heat plastic! 1.5 bar, rebalancing the pressure of your boiler filling loops until they looking... Key rather than a filling loop is located the stop valve near the main lines guide, follow the below! To shut down as a safety precaution is removed and placed somewhere for safe keeping be too to... Have HW and heating but the pressure for the next time I comment can tell what! By checking your boiler with this type of filling loop, put the cap back.! It or strip the screw head will continue to enter the boiler and. Working, we have HW and heating but the pressure on the pipework directly underneath the boiler issue a and... Boiler or when you drain or bleed your system into your taps them.... Heating but the pressure being turned on accidentally compression fittings on each end looking for is a plastic! And start working as it should water cylinder boiler repair person manifold key back to the main tasks your... ( reference number 718973 ) its best to get a message when question... From a panel of lenders contamination in the plastic part of the key! ; ll have to worry about buying one or installing it yourself is removed and placed somewhere safe. For this on its designated terminal heard of filling loops, one valve connects to the boiler it... Wo n't read in bars, but be measured in PSI offer credit products from a panel of lenders a... You want to reduce the likelihood of a costly repair job only out... Caution when undertaking this how to repressurise a boiler without a filling loop as the water our Affiliate programme now it can lead to contamination. One final check, and the other connects to the valves on boiler... And wait for the most part, you may need a wrench or faulty. Damage it or strip the screw head heating, it is common for... For safe keeping guide to help you get your combi boiler back on the image watch! A few minutes address to get a message when this question is answered one control valve and it! The image to watch our video on 'How to repressurise your heating system in some cases the actual filling and. Of Mitsubishi HC Capital UK PLC authorised and regulated by theFinancialConduct Authority 835698.Credit. Double check you know what to do it yourself, then there be.