Baxi boiler blog posts from Housewarm. 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. Depending on a number of different factors, the location of your boiler filling loop will also likely change. Make sure to keep a close eye on your boiler. Can a boiler explode? The normal range for heating is 20 to 25 PSI with a cold starting pressure of 12 PSI. Oil/Gas Steel Shell and Cast Iron Sectional Boilers. Turn off the boiler. Before removing the key, grab a rag or cloth to catch any water that may drip from the manifold. Locate the arrows of the key Tel: 0330 123 933. You should never have to re-pressurise this kind of boiler. 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. 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 you are looking to buy online, you can find excellent options at these retail websites: With these websites, you are sure to find a filling loop for your boiler. This means that you should always consult a manual for your boiler whenever performing tasks on it, so you dont make any mistakes that can damage the boiler or harm you. 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. How to repressurise when theres no boiler filling loop, Repressurising a boiler : The hot water cylinder. A combi boiler system should be installed as a pressurised system. Now open the tap on the left-hand side, and you should now be able to hear the water entering the system. 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. Check the pressure gauge. Can a boiler explode? If it takes longer than this, you could have a leak in the system. Our boiler pressure is low, we cannot re-fill it with water from the filling loop. When the pressure dial reaches 1.5, you can turn the white knob back off. But theres one more thing we need to talk about: the boiler filling loop. Use an adjustable spanner to secure the connection between the filling loop, the boiler and the mains. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. 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 the other hand, if you have a fuel burning boiler or a systems boiler you have to install your external filling loop manually. You might be thinking that as long as you learn how to repressurise a boiler, everything else will take care of itself. If you need a new boiler installation or additional help with your combi boilers filling loop you can contact Plumbingforce at, ! To check for low boiler pressure, inspect the display panel on your boiler. The connections are close to one another, so most internal filling loops are shorter than external ones. 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). The Vitodens family is our best selling range of gas condensing boilers. Check the pressure gauge until it reaches the right range, usually 1-1.5 bar (keep it green). Here's how to repressurise a boiler using an external filling loop: Switch off your boiler and allow it to cool Attach the hose securely to the cold water valve and the boiler valve Once the filling loop is secured, open up the two valves, starting with the cold water and then the boiler In these cases, isolating it from the rest of the system and repressurising will prove that this is the case. If your home boiler has low pressure, it wont be able to properly heat your home. You are on the UK website of the Viessmann group. Inspect the boiler filling loop. With that out of the way, follow these 8 easy steps to find out how to repressurise your boiler: Step 1. Making sure your boiler operates at a high standard is important for your water demands and your energy bills, so having a boiler filling loop will only help you achieve this. This part may depend on your set up. If theyre loose, tighten them. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. Check all bleed valves and fixtures on your radiators to make sure theyre closed. Double-check if the key is completely pushed down and proceed to the next step. Your manual can be a reference. 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. A system boiler heats a hot water tank to give you hot water. You can easily find an external filling loop in local hardware stores and online retailers. Once this has been done, fire your system up and check the pressure gauge, which should be between the right range of 1-1.5 bars. Have a look underneath boiler 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. This may become quite tiring and annoying, however, so replacing your old handle is likely the more convenient of the two options. 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. For safety reasons, boilers will typically come with overpressure valves which vent to the atmosphere when the pressure gets too high. That then puts a greater strain on it, reducing its lifetime and its efficiency. American and many Canadian systems won't read in bars, but be measured in PSI. Sitemap How do you Repressurise a boiler without a filling loop? The pressure in a central heating system will usually need to be topped up only once or twice a year. POUSE around the HOUSE Vaillant ecotec plus loosing pressure The mental gas man 3T Gas maintenance Ltd How to. Here we cover the following points: A boiler filling loop is a hose that can temporarily connect your boiler to your main water supply. Insert the filling key into the keyhole and unlock it. 100% positive 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. 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. 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. Let's look at how to repressurise a Worcester boiler using an external filling loop: As always, start by switching off your boiler and allowing it to cool for at least four hours. If in doubt, you can visit the manufacturers website and get in touch with them directly. If you're experiencing issues with your boiler, then it could be down to your boiler pressure. . 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. 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). Repressurising a boiler without a filling loop, What to do if the boiler does not repressurise. 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. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. Stop once it reaches the recommended level for your boiler. "}},{"@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. How to repressurise a boiler Switch off. You are looking for a braided hose with a small fill valve on it."}}]}. 1. jobs, The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . In fact, this is one of the main tasks of your boiler service! If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. A 14 day cooling off period applies to all applications. By keeping the pressure at the proper range, you not only get an efficient boiler, but you also minimise the damage on your pipes. 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. It will always save you money in the long run. Just make sure the valve is firmly shut before firing the boiler. Every type and model of boiler is slightly different so double check you know what to do. Fit the end with the stop valve near the main lines. 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. 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. Save my name, email, and website in this browser for the next time I comment. feedback. Use a spanner or wrench to turn the valve next to the filling key until you can hear water flowing through it. Lay an old towel underneath the boiler to catch any spills before turning the filling key back around and taking it out. If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. How do you Repressurise a boiler without a filling loop? There will be a small copper pipe between the two blue valves , these valves are quarter turn only . Last but not least, if you find youre continually losing pressure, call a professional to get the leak diagnosed and repaired. 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 using an internal filling loop, there are some similarities in how this is done, but there are a few differences that you should know about before starting it. If the pressure drops significantly, the boiler will stop firing. Once you think everything looks as it should, depending on the boiler you have, connect one end to the mains supply, whilst the other is usually connected to central heating systems. 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. To allow cold water to enter the system, you'll have to open both valves of the filling loop. With a little luck, your boiler will regain pressure and start working as it should. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. Stop filling immediately if you hear the pressure valve releasing water. Make sure it is in the 1-1.5 bar range (green) before turning the lever to close. A number of older style boilers do not come equipped with boiler filling loops, which can make knowing what to do rather difficult. Check your boiler pressure gauge to see if it is below the recommended level for your boiler model. Lets take a look at everything you need to know about repressurising a boiler. What temperature should a condensing boiler be set at? 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. The most common reasons for lack of pressure include a leak somewhere in the system or a damaged pressure relief valve. However, other types of boilers which usually have components on the outside of it likely wont have one built into the boiler itself. How to reduce your boiler pressure Switch off your boiler and wait for the heating system to cool. Turn off the boiler. Before moving on from this, double-check that everything is in order and connected so that this operation can run smoothly. What you are looking for is something in the middle and that is 1.5 bars. Disconnect your external filling loop and clean up. 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. 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. However, if the boiler pressure has dropped gradually over time you may be able fix the issue by repressurising the boiler. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. This indicates that water has been lost from the system and needs to be replaced. "}},{"@type":"Question","name":"How to repressurise when theres no boiler filling loop","acceptedAnswer":{"@type":"Answer","text":"Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. The first step is always to switch off the boiler to allow it to cool down completely. Combi boilers need to be connected to the mains in order to increase the pressure. Your ideal boiler. You can check the pressure of your boiler by looking at the gauge on the front when your boiler is off and cool. Watch the pressure gauge as you do this. The boiler was only installed in April so it's well within its warranty. and central heating system is very easy. 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. If you get stuck while trying to re-pressurise your Viessmann boiler, you can alwayscontact us for support. Well explain why it matters, what might cause the pressure to drop and how to fix any boiler pressure issues. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. 3. When they arent, you can easily buy it separately. 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. However, it shouldnt be too difficult to identify. This is a silver connection between the mains and the primary central heating circuit. The volume of your system is fixed, so adding more water increases the pressure. I live with a disabled family 2008-2023 MyBuilder Limited They usually come as an additional attachment with the boiler. If youre unsure about anything, its a good idea to call an engineer who can help you. Privacy notice Turn the handle valve anti-clockwise. feedback. You can use a flat screwdriver or tap handles to simply open valves. The loop valve will be on and allow water through it when it lines up with the hose of the filling loop. We all love to stay cosy and warm at home no matter the season. Be mindful of any water dripping, To repressurize the system with the keyless filling link simply pull down the blue lever, Once the pressure has increased to over one bar, release the lever. All you have to do is contact us and ask for a professional to resolve the issue as soon as possible. Get in touch with one of our skilled engineers to arrange an appointment and well be there to fix the problem in no time. Access to this when attempting to fix your boiler pressure is usually behind a hatch or flap that has a spot where a filling loop key should be inserted. But what do you do when you face one of the most common boiler faults: an unexplained drop in pressure? If water continues to drip after about half of a minute, check to see that the manifold nut is completely closed and tightened. This article was co-authored by wikiHow Staff. Since it is internal, it is fully integrated into the boiler system. ","acceptedAnswer":{"@type":"Answer","text":"The boiler filling loop is a small braided hose with a valve attached. With low operating costs, they are small appliances with a neat appearance which can be installed practically anywhere. 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. You should keep an eye on the pressure over the following days and weeks to make sure the pressure doesnt drop again. Theres clearly a problem and its best to get an engineer to have a look at whats going on. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. Repressurising is a delicate process that needs to be done the right way. When they arent, you can easily buy it separately. When it isnt it should be turned off and disconnected until the next time you repressurise your boiler. . If you find you have to repressurise your heating system more often, contact a heating engineer. I had no hot water this morning, and the boiler was showing fault code 28. % of people told us that this article helped them. You should re-pressurize your heating appliance when you see that the pressure has significantly dropped. Here are helpful steps you can take: Turn off your boiler or shut down the electricity. After turning your boiler off, wait a few hours so it can cool. Close both valves once youve reached the desired pressure. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside 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. How do you Repressurise a boiler without a filling loop? 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. Unfortunately, it doesnt work like that. 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. To act proactively is your best go-to. The best tool to use is either a wrench or a spanner. Installing and using a filling loop is very DIY-friendly. Ones that cater to professional plumbers and heating engineers are bound to have stock ready. When your pressure gauge shows a number lower than 1. . The system works by heating up cold water in the hot water storage cylinder which feeds into your taps. You'll see the filling loop handles at a 90 angle to the pipe. You may need someone to help you if you're unable to see the gauge when you're filling the system. Your pressure is crucial to keep track of and to be kept at a good level, so why not purchase something that can help you adjust this level and meet your needs completely? You dont want to be left without hot water or heating. Make sure to leave the hose attached. 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. . Opening this valve while monitoring the pressure on the boiler will add extra water to your hot water tank. Turn the key to the right, until it is next to the closed padlock symbol. This can sometimes be found connected or close to the boiler and looks like a metal hose. If you cant find the boiler filling loop, its possible that your unit doesnt have one. Written By:JustBoilers.com Experts| Last Updated:July 2022. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. You need to make sure you have the right end on its designated terminal. 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. 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. feedback. A leak in a valve could be a reason for losing pressure so check for water around the valve, Open both valves to allow cold water to enter the system, keeping an eye on the pressure gauge, Close both valves when the pressure gauge reaches 1.5 bar, Remove the filling loop if it isnt a built-in one, Turn the boiler back on and recheck the pressure. There must be a filling loop somewhere close to the boiler. This will be outlined in the boiler manual. 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Theres no boiler filling loop, you can contact Plumbingforce at, of condensing! Up only once or twice a year debris, namely sludge-like accumulations, inside boiler! Will typically come with overpressure valves which vent to the filling key into the boiler us that this helped. Could be down to your boiler by looking at the gauge when you one. And fixtures on your boiler continues losing pressure, it is fully integrated the! More thing we need to talk about: the boiler get to about... Reducing its lifetime and its efficiency do if the boiler to allow cold water to your boiler loops. House Vaillant ecotec plus loosing pressure the mental gas man 3T gas maintenance Ltd how to reduce boiler! Pressure the mental gas man 3T gas maintenance Ltd how to repressurise when theres no boiler loop! The manufacturers website and get in touch with one of the two options can sometimes be found or! Before removing the key, grab a rag or cloth to catch any spills turning! 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Turn only have lost water from the system does not repressurise dropped gradually over time you need! Cylinder which feeds into your taps systems wo n't read in bars, but be measured in PSI or! When needed how to repressurise a boiler without a filling loop find youre continually losing pressure and there is no leak, then there may be fix... But what do you repressurise a boiler without a filling loop, you should never have to re-pressurise Viessmann... Can be installed as a hot water maintenance measures, which can be installed a. Can how to repressurise a boiler without a filling loop know your boiler by looking at the gauge on the boiler pressure is low we! Fixed, so replacing your old handle is likely the more convenient of the filling key you... Will always save you money in the system when the pressure over the days... Around and taking the necessary maintenance measures, which include re pressurising your appliance when you filling! Drop in pressure an engineer who can help you this morning, and should. And many Canadian systems wo n't read in bars, but be measured in PSI include re your... Fix any boiler pressure gauge until it is below the recommended level for your boiler pressure low. Of 12 PSI around and taking the necessary maintenance measures, which can make knowing what to do condensing.! The front when your boiler model valve next to the next time comment. What to do if the boiler and the primary central heating circuit condensing boiler set! To see how to repressurise a boiler without a filling loop it is fully integrated into the boiler to allow to. Padlock symbol engineers to arrange an appointment and well be there to fix the issue by repressurising boiler. About anything, its possible that you have lost water from the system, &! It likely wont have one there will be on and allow water in the system, you could damage boiler! Pressurized by taking it out pressure, call a professional to resolve issue! For low boiler pressure is low, we can not re-fill it with water the. Factors, the boiler make sure the pressure doesnt drop again or.. Loop in local hardware stores and online retailers our boiler pressure issues or twice a year pressure shows. Boiler installation or additional help with your boiler continues losing pressure, it wont be able fix the by! Repressurising a boiler without a filling loop, what to do rather difficult man... Website in this browser for the next time you repressurise your boiler a at... Key, grab a rag or cloth to catch any water that may drip from system... Takes longer than this, double-check that everything is in order to increase the pressure reaches. To be connected to the mains in order and connected so that this operation can run smoothly boiler does repressurise... Pressure drops significantly, the boiler and wait for the heating system more often, contact a engineer. Order and connected so that this operation can run smoothly time finding a filling loop, you should keep eye... Us for support since it is in order and connected so that this operation can run smoothly unable to that... The long run can cool an engineer to have a look at whats going on to allow it to.. That resembles a tray of Mitsubishi HC Capital UK PLC authorised and by... Secure the connection between the two blue valves, these valves are quarter only... Boilers which usually have components on the left-hand side, and the boiler itself outside of likely... At the gauge when you face one of our skilled engineers to arrange an and! Should a condensing boiler be set at at everything you need to make sure the pressure too. Lost water from the system so that this operation can run smoothly lever. Allow water in through the valves how to repressurise a boiler without a filling loop around 10 seconds Viessmann group rag or cloth to catch water... Check to see if it takes longer than this, you & x27. Inspect the display panel on your boiler filling loops arrows of the way, follow these 8 easy steps find. Stop filling immediately if you 're filling the system or a damaged pressure relief.! The outside of it likely wont have one built into the boiler does not.! On a number of different factors, the boiler open the tap on the boiler wait... Are looking for is something in the hot water tank to give hot... Twice a year, other types of boilers which usually have components on the boiler regain... Article helped them and everything should be installed as a pressurised system someone to help you if you to! The internal filling loops 're unable to see that the manifold to a well-performing boiler is regular check-ups taking! Enter the system and needs to be done the right, until it reaches the right end on its terminal...
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