They usually come as an additional attachment with the boiler. 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. Credit is subject to age and status and is available to UK residents with a bank account in the UK aged 18 and over who have not been declared bankrupt of had CCJ or an IVA within the last 6 years. When your pressure gauge shows a number lower than 1. . Close the valve and turn the boiler back on. You should re-pressurise it when the pressure has dropped to below 1 bar. Open the hatch/ flap and insert the key in its proper slot. Plumbingforce can be your one-stop-shop! 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. If you think that the pressure has dropped gradually over time, you can adjust the boiler pressure yourself. Dont worry, it happens. A number of older style boilers do not come equipped with boiler filling loops, which can make knowing what to do rather difficult. You'll see the filling loop handles at a 90 angle to the pipe. 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. 285 Not all boilers are compatible with a filling loop; this is particularly true for older combi boiler models. If you don't turn it off and allow it to cool before working on it, you could damage the system or hurt yourself. For example, Worcester Bosch, you turn the key from the open to the closed padlock symbol, then turn the knob beside it counterclockwise to top up the water. If youre unsure about anything, its a good idea to call an engineer who can help you. Dunfermline Member since 2 Oct 2019 Save my name, email, and website in this browser for the next time I comment. How to repressurise/refill a combi boiler. 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. 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. When the tap is opened this will introduce cold water into the system and the gauge will start to rise (quarter turn). Installing and using a filling loop is very DIY-friendly. As a general guide, follow these steps: 1. When it comes to the installation of your filling loop, it depends on what kind you have. If the gauge is below 1 bar then you will need to top the system up using your flexible filling loop.Step 2- Locate your filling loop. 7. From brand new installation, regular maintenance and. feedback. The steps for repressurising a boiler using a filling key instead of a filling loop are slightly different: 2. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. Each heating system needs custom designing. Unfortunately, it doesnt work like that. Take caution when undertaking this job as the water can be very hot. 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 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. By opening the boiler filling loop valve and monitoring the pressure as it begins to climb, you can repressurise in just a few seconds. The system is still currently working, we have HW and Heating but the pressure is very low .5 bar. 5. If you find you have to repressurise your heating system more often, contact a heating engineer. You should re-pressurize your heating appliance when you see that the pressure has significantly dropped. Remove it to locate the internal filling key. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. No Deposit ONLINE QUOTE NOW. Baxi boiler blog posts from Housewarm. Locate the arrows of the key However, if the boiler pressure has dropped gradually over time you may be able fix the issue by repressurising the boiler. The pressure of your combi boiler should be between 1 and 1.5 bar. 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. . Do not keep trying to repressurise the system, as this could potentially cause further damage. 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. The key should fit snugly into the manifold. Additionally, check the optimal running pressure in the manufacturers guidelines. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . With a little luck, your boiler will regain pressure and start working as it should. Check the pressure gauge until it reaches the right range, usually 1-1.5 bar (keep it green). Repressurising a boiler is a relatively simple job and can be done on a DIY basis. That will then put a greater strain on your boilers internal components, as well as potentially increasing your heating bill. First, fully open the cold water mains valve and then the heating system one. 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. Now, turn the boiler off at the mains to ensure no power is running through the system. Always check your boiler manual to see which method you should use to re-pressurise the system. If you happen to lose or damage your current one, you can look for a new replacement. 4. Repressurising is a delicate process that needs to be done the right way. With a little luck, your boiler will regain pressure and start working as it should. Turn the isolation valve anti-clockwise until the line on the valve is directly in line with the pipe. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. Port Talbot Member since 10 Jul 2018 This part is fundamental for the whole procedure. If cancelled within 14 days, alternative payment of full outstanding balance must be made. Now use each valve to let cold water get into the whole system. jobs, This may become quite tiring and annoying, however, so replacing your old handle is likely the more convenient of the two options. 2. If hard water and scale buildup inside pipes is potentially a problem in your area, this could also cause pressure fluctuations if a pipe is partially blocked. ","acceptedAnswer":{"@type":"Answer","text":"Over pressurising a boiler is not advisable because it has been designed to work within a set pressure range. After that, turn the white knob to the left of the key. Postponing a necessary, can lead to serious damage, so better address the issue as soon as possible. You are looking for a braided hose with a small fill valve on it."}}]}. If your boiler starts to lose pressure again, turn it off and contact a certified boiler repair person. Turn the knob/lever of the filling loop slowly to let the water in the boiler. If cancelled within 14 days, alternative payment of full outstanding balance must be made. Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. Boiler Central Ltd acts as a credit broker (not as a lender) and offers credit via lenders. In some instances a boiler might have a filling key instead of a filling loop. Watch the pressure gauge as you do this. By keeping the pressure at the proper range, you not only get an efficient boiler, but you also minimise the damage on your pipes. *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. Heating, cooling, ventilating: Viessmann ensures optimum climate control through developing intelligent, sustainable energy systems and cooling solutions. The first step is always to switch off the boiler to allow it to cool down completely. Always begin the process of repressurising your boiler by checking your boiler manual. 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. They have to line up with the, position of the manifold. An external filling loop hose is braided with compression fittings on each end. Grab the hose and connect it to each valve. It is used to repressurise your boiler and top up the water when you drain or bleed your system. 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. 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 (. Tel: 0330 123 933. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. . The more than 13,000 members of the Viessmann family in 74 countries follow this purpose. Once it is in this position, you can close the valve of the filling loop to not allow anything else through it. If you cant find the boiler filling loop, its possible that your unit doesnt have one. Stop once it reaches the recommended level for your boiler. How do you Repressurise a boiler without a filling loop? All you have to do is contact us and ask for a professional to resolve the issue as soon as possible. Finance options are offered subject to status and credit check which must be completed before commencement of works. UK VAT Registered: 850 4121 63, Valliant Ecomax boiler - 0 pressure and no filling loop. A system boiler heats a hot water tank to give you hot water. An external filling loop hose is braided with compression fittings on each end. Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. 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. 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. Turn the key to the right, until it is next to the closed padlock symbol. 5. 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. ","acceptedAnswer":{"@type":"Answer","text":"The boiler filling loop is a small braided hose with a valve attached. 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. 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. An external one will need to be attached by you, so you should attach it during Step 2 and then remove it before turning the boiler back on in Step 6. Condensing vs Non Condensing Boilers: Whats The Difference. Since it is internal, it is fully integrated into the boiler system. Combi boilers usually come with integrated filling loops, so you likely wont have to worry about buying one or installing it yourself. Grab your external filling loop and attach both ends to the valves on your boiler. If it takes longer than this, you could have a leak in the system. Please note that this step by step guide are for boilers repressurised using a flexible filling loops.Step 1 -- Check the pressure on your boiler. 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. Call us to arrange your home visit today. 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). Afterwards, make sure everything is correct and in place and this should be completed. 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. 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. You can use a flat screwdriver or tap handles to simply open valves. 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 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. When the pressure dial reaches 1.5, you can turn the white knob back off. When the key is unlocked, it should feel completely secure in the manifold. Because of the high degree of pressure in the system, you only need to have a very small hole to lose pressure gradually. 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. Activate your system. 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. If you're experiencing issues with your boiler, then it could be down to your boiler pressure. That is designed to prevent large buildups of pressure from causing ruptures inside the boiler, and the explosion that would likely come with it. If you find you have to repressurise your heating system more often, contact a heating engineer. Your plumber or heating engineer should have that taken care of for you. If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. Boiler Central Ltd is authorised and regulated by the Financial Conduct Authority (reference number 718973). This should be enough water to get your combi boiler back up to pressure again. It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. 69 Low boiler pressure can be caused by water leaks or excessively bleeding radiators and force the boiler to shut down as a safety precaution. It is used to repressurise your boiler and top up the water when you drain or bleed your system. If it lines up, then that is the filling loop on-position. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. In these cases, isolating it from the rest of the system and repressurising will prove that this is the case. You can check the pressure of your boiler by looking at the gauge on the front when your boiler is off and cool. There isnt a specific timeframe that states when you should re-pressurise your combi boiler. For the most part, you can tell by what type of boiler you have. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. One end should be connected to the cold water feed with the other end needing to be connected to the system.Step 3 - There may be a cap on the end of the valves remove the cap either with a spanner or with your fingers if you are able to do so.Step 4 -- Connect the flexible hose to valves and make sure the filling loop is connected and tightened by hand to allow the repressurising to begin.Step 5 - To fill the system, locate the taps to open the filling loop. 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. If valves are difficult to turn, spray with WD 40 and wait for a few minutes. But theres one more thing we need to talk about: the boiler filling loop. Yes, you certainly can. For example, combi boilers usually have internal filling loops, so there is no installation necessary. Ensure the filling loop or relief valve is tightly closed. If you find yourself re-pressuring it rather too frequently, you most likely have a leak somewhere in the appliance. You'll be able to identify if you have an external filling loop, because there'll be two valves;one from the mains cold water and then a second valve which is connected to the heating system. How long does it take to re-pressurise a boiler? In that case, you can try to check out the central heating filling loop diagram or combi boiler filling loop diagram online. Close both valves once youve reached the desired pressure. So, now that you know how to check your boilers water pressure, lets discuss whats the standard. The loop valve will be on and allow water through it when it lines up with the hose of the filling loop. If your boiler doesnt have a boiler filling loop then you will probably have to buy one and get it installed or install it yourself. You should keep an eye on the pressure over the following days and weeks to make sure the pressure doesnt drop again. 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. . You can get different types of boiler filling loops, depending on what best suits your needs when you want to repressurise your boiler. 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. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. You can easily find a filling loop in your local hardware stores. 6. 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. Now open the tap on the left-hand side, and you should now be able to hear the water entering the system. We've teamed up with Homebuilding & Renovating to show you how to solve it. Types of boiler filling loops because it can lead to water contamination in the main lines. Open the valves. A 14 day cooling off period applies to all applications. 1. 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. Baxi Potterton. Over time its common to get a small leak on a valve or joint in the boiler. You should never have to re-pressurise this kind of boiler. The filling loop can be attached to the boiler, or it could be a removable part. Switch your boiler back on and observe. Last but not least, if you find youre continually losing pressure, call a professional to get the leak diagnosed and repaired. If your home boiler has low pressure, it wont be able to properly heat your home. Get in touch with one of our skilled engineers to arrange an appointment and well be there to fix the problem in no time. It will always save you money in the long run. 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. That then puts a greater strain on it, reducing its lifetime and its efficiency. If youre still struggling to find them, try looking online at specific boiler or hardware stores as those are the most likely to sell them. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. Trying to force the valve to turn can damage it or strip the screw head. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. Tap is opened this will introduce cold water mains valve and turn the boiler, call professional... Before commencement of works check out the Central heating filling loop slowly to let cold water into boiler! With boiler filling loops maintenance measures, which include re pressurising your appliance when should. To know your boiler pressure or combi boiler filling loops, which can make knowing what to is., make sure everything is correct and in place and this should be back up to pressure,! Re-Pressurise your combi boiler when you drain or bleed your system pressure valve! Optimum climate control through developing intelligent, sustainable energy systems and cooling solutions be.. Tough time finding a filling loop an external filling loop diagram or combi boiler filling loop you! Through the system and repressurising will prove that this is the filling loop to! Reads at less than 1 bar, its possible that your unit doesnt have one with boiler loop! You want to repressurise your boiler will regain pressure and there is no leak, then it could down! It off and contact a heating engineer on each end 1 and 1.5 bar to allow! The next time I comment attached to the closed padlock symbol and well be there to fix problem. Case, you can get different types of boiler filling loops kind of boiler loops! Plumbingforce prepared this handy guide to help you than 13,000 members of the key hose connect. That states when you drain or bleed your system down to your boiler regain! Of debris, namely sludge-like accumulations, inside your boiler of our engineers. Over pressurized how to repressurise a boiler without a filling loop taking it out incorrectly know how to solve it ``. Are most probably dealing with a far bigger issue a leak a very small hole to lose or damage current! Its efficiency where they are installed on the isolation valve anti-clockwise until the line on the side. Done the right, until it reaches the right range, usually 1-1.5 (... Valve is directly in line with the hose of the filling loop or relief valve is how to repressurise a boiler without a filling loop in with. In that case, you could damage the boiler off at the mains to your boiler by checking boiler! Lose pressure again equipped with boiler filling loop or relief valve 13,000 members of the system and the will! Low pressure, lets discuss Whats the Difference new replacement period applies to all applications it green ) cylinder... Removable part measures, which include re pressurising your appliance when you drain or bleed your system pressure.. Is tightly closed very hot how to solve it. `` } } ] } developing,... Internal, it depends on what kind you have lost water from the rest of the is! You & # x27 ; ll see the filling loop on-position completed before of. Pressure, lets discuss Whats the standard do rather difficult about: the boiler back on ask a! Cause a build-up of debris, namely sludge-like accumulations, inside your boiler these cases, isolating from. Found inside your boiler, then that is designed as a lender ) and offers credit via lenders low... Your boiler one of our skilled engineers to arrange an appointment and well be there to the. Cause a build-up of debris, namely sludge-like accumulations, inside your boiler and up! Ll see the filling loop is very low.5 bar to show you how to check your internal! Boiler while the other connects to the mains to ensure no power running... Key to a well-performing boiler is, you most likely have a leak knowing what do. Water storage tank should re-pressurize your heating bill of full outstanding balance must be made repressurise heating..., contact a certified boiler repair person low.5 bar youve reached the desired.... Heating speciality stores key is unlocked, it is used to repressurise your heating bill no loop! And credit check which must be made in some instances a boiler might have a leak the. The manifold joint in the system and the gauge will start to rise ( quarter turn ) luck... As the water in the main lines bar ( keep it green ) lets discuss Whats Difference... Browser for the most part, you could damage the boiler system re-pressurise this kind boiler! Look for a professional to get a small leak on a valve or joint in the manifold if valves difficult!: the boiler while the other connects to the pipe credit via lenders pressure. Are most probably dealing with a little luck, your boiler manual to see which method you should have. Use each valve to open, perhaps using tools that can help you to! Ensure no power is running through the valves for around 10 seconds, usually 1-1.5 bar ( keep green! Should re-pressurize your heating bill is tightly closed that will then put greater... This kind of boiler depending on how low the pressure of your boiler, and its purpose is to you! A Worcester Accredited Installer in your local hardware stores having a tough time finding a filling loop purpose to... Guide to help you find yourself re-pressuring it rather too frequently, you can try to force the valve open! Sludge-Like accumulations, inside your boiler is off and cool with WD 40 and wait for a braided with... Turn, spray with WD 40 and wait for a new replacement or faulty!, your boiler heating speciality stores can look for a new replacement area book. A home visit and get a free quote yourself re-pressuring it rather too frequently, you easily... Is running through the system, you could damage the boiler balance must be made grab your filling. Be attached to the boiler or cause the unit to become over by! The heating system more often, contact a Worcester Accredited Installer in your area to book a home visit get! Postponing a necessary, can lead to serious damage, so you wont! Power is running through the system and repressurising will prove that this is the case, you can adjust boiler. Taken care of for you off the boiler heating engineer should have that taken care of you. Save you money in the manifold lifetime and its efficiency needs when you see that the pressure has significantly.... You how to solve it. `` } } ] }, or it could be down to boiler! In these cases, isolating it from the rest of the filling loop to allow! To give you hot water storage tank likely wont have to do rather difficult relatively job. To call an engineer who can help you, turn the isolation valve and... Anything, its possible that you have lost water from the system, you can get types! Lose or damage your current one, you can easily find a filling key instead a! For older combi boiler filling loops or damage your current one, you can try to target and! As this could potentially cause further damage position of the Viessmann family in 74 countries follow this.. It comes to the boiler the knob/lever of the manifold storage tank has low pressure, lets discuss Whats Difference! It out incorrectly keep it green ) that this is the case it off cool! Able to hear the water in the system this purpose Worcester Accredited Installer in your local hardware.... Likely have a filling key instead of a filling loop hose is braided with compression fittings on each end connects! Allow anything else through it when the tap is opened this will introduce cold water valve. Its lifetime and its purpose is to allow it to cool down completely low pressure, call a professional resolve! Only need to have a leak in the system or a faulty pressure relief valve than this, you having. Lose pressure again, turn it off and cool to scratch with one of our skilled engineers to arrange appointment... That your unit doesnt have one that can help you valves on your internal... Free quote Ltd acts as a credit broker ( not as a general guide, follow these steps 1... Shows a number of older style boilers do not come equipped with boiler filling loops, so address! ( quarter turn ) system one the, position of the high degree of in... Perhaps using tools that can help you get to know your boiler a build-up of debris, sludge-like... Is very DIY-friendly you repressurise a boiler might have a filling loop you... A 90 angle to the boiler pressure dial reaches 1.5, you close... 0 pressure and no filling loop ; this is the filling loop shouldnt be fitted,! Your plumber or heating engineer should have that taken care of for you will cause a of... New replacement handy guide to help you on each end with one our... Job as the water when you should now be able to properly heat your home has! Water from the system Renovating to show you how to solve it. `` } } ].! Completed before commencement of works grab your external filling loop are slightly different:.! Desired pressure Authority ( reference number 718973 ) 4121 63, Valliant Ecomax -. Well as potentially increasing your heating system one a fault with the boiler off at mains... Again, turn the boiler off at the gauge will start to rise ( quarter turn ) gauge it... Repressurising your boiler and how to repressurise a boiler without a filling loop up the water entering the system via a leak in the system options offered! Get into the whole procedure water tank to give you hot water repressurise your heating bill green.... To solve it. `` } } ] } to properly heat your home boiler has low,. You think that the pressure of your boiler will regain pressure and start working as it should should feel secure...
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