If you find you have to repressurise your heating system more often, contact a heating engineer. It shouldnt be too hard to find. 3. Depending on how low the pressure of your boiler is, you should allow water in through the valves for around 10 seconds. In fact, it is one of the few things you can handle every couple of months. Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. With a proper illustration, you dont have to fumble your way to the isolation valve. A number of older style boilers do not come equipped with boiler filling loops, which can make knowing what to do rather difficult. A 14 day cooling off period applies to all applications. Some have one end attached while still being disconnected, while others remove it completely. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. Keep your eyes on the pressure gauge until it reaches 1.5 bar. You can get different types of boiler filling loops, depending on what best suits your needs when you want to repressurise your boiler. Avoid the fines and only bring out your filling loop when necessary. Once it is in this position, you can close the valve of the filling loop to not allow anything else through it. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . 54 Registered in England No. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. position. If it goes past the ideal range, just bleed your radiator and go back to step no. Yes, you certainly can. Here are helpful steps you can take: Turn off your boiler or shut down the electricity. However, there are two main ways to top up your boiler, either via an external filling loop or an internal filling loop (either keyed or keyless) - and both methods are demonstrated in the video and the step-by-step guide below. You can easily find an external filling loop in local hardware stores and online retailers. There will be a little water left over but this is nothing to worry about.Follow the video below for details on how to repressurise your boiler. Each heating system needs custom designing. If the pressure is too low or keeps dropping. 2. Make sure to leave the hose attached. 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. Email: How Boiler Service helps Boiler Efficiency. . With low operating costs, they are small appliances with a neat appearance which can be installed practically anywhere. As long as it is high quality, you shouldnt have a problem with it. Last but not least, if you find youre continually losing pressure, call a professional to get the leak diagnosed and repaired. Each type of boiler filling loop is used differently depending on what kind of boiler you have and where you can access your mains and central heating. Check the pressure gauge until it reaches the right range, usually 1-1.5 bar (keep it green). From brand new installation, regular maintenance and. Re-pressurising your boiler isnt a complicated procedure, and you should regularly check the pressure to make sure the system is running as it should. If you're experiencing issues with your boiler, then it could be down to your boiler pressure. 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. If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. And If you see a number higher than 2.5, then your pressure is too high. With these filling loops, one valve connects to the boiler whilst the other is connected to the main water supply. The system is still currently working, we have HW and Heating but the pressure is very low .5 bar. You can go between the different models and pick the one you like the best. Croydon Member since 31 Oct 2018 An older combi boiler might have a filling key rather than a filling loop. This step may vary according to your boiler. Theres clearly a problem and its best to get an engineer to have a look at whats going on. High boiler pressure could end up damaging your boiler and its system as it wont be used to the high pressure that it is currently running at. The biggest difference between each of them is that an external filling loop is fitted outside of the boiler rather than within it. Stop filling immediately if you hear the pressure valve releasing water. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. 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. Use an adjustable spanner to secure the connection between the filling loop, the boiler and the mains. When they arent, you can easily buy it separately. 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. Can a boiler explode? Check all bleed valves and fixtures on your radiators to make sure theyre closed. The typical level to aim for is around 1 - 1.5 bar; any less and it is likely that your boiler will need to be repressurised. Dont worry, it happens. You may need tobleed your radiatorsto bring the pressure back down. 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. The filling loop on and off position is about whether the lever is parallel or perpendicular to the hose. If your boiler begins to depressurize again, youll need to call a certified boiler repairman to inspect and repair it. Before getting stuck in, its a good idea to check your boiler manual for instructions on how to re-pressurise your combi boiler and whether you can do this yourself. You can then remove the filling key by turning it back to the open padlock position. If cancelled within 14 days, alternative payment of full outstanding balance must be made. When the tap is opened this will introduce cold water into the system and the gauge will start to rise (quarter turn). That then puts a greater strain on it, reducing its lifetime and its efficiency. Step 6 - Remove the filling key. Even a small leak can lead to a drop in pressure over enough time. This filling loop helps connect your mains water supply to the central heating system of your household, which is why they are sometimes also known as a central heating filling loop. If there is buildup in other fixtures you may need to flush out the boiler system. At the heart of it all, it does the same job. 2022 Vaillant Group, Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT. 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) If it creates a cross or t shape, it is the filling loop off-position. Worcester Bosch Group will introduce you to a Worcester Accredited Installer who is authorised and regulated by the Finance Conduct Authority who will broker the finance agreement. Double-check the position of your valves so that there are no issues. 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. The pressure in a central heating system will usually need to be topped up only once or twice a year. Thankfully, there are several ways you can repressurise a boiler yourself without calling a professional. There will be a small copper pipe between the two blue valves , these valves are quarter turn only . The system works by heating up cold water in the hot water storage cylinder which feeds into your taps. Turn the knob/lever of the filling loop slowly to let the water in the boiler. It is common practice for the filling loop to be located next to the hot water tank. Cookies You should re-pressurize your heating appliance when you see that the pressure has significantly dropped. You should see valves at both ends of hose. 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. 3. If you notice you dont have a filling loop, but you do have a large metal cylinder thats warm to the touch, this is precisely where you need to start looking. I had no hot water this morning, and the boiler was showing fault code 28. Locate the arrows of the key A hydraulic pressure gauge will indicate the standard operating pressure with a green zone and the maximum safe operating pressures with a red zone. If the key gets stuck when trying to remove it, contact a boiler repair technician. 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. How do you Repressurise a boiler without a filling loop? Your plumber or heating engineer should have that taken care of for you. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. Insert the filling key into the keyhole and unlock it. First, fully open the cold water mains valve and then the heating system one. If it is not, water will continue to enter the boiler and drip down. A combi boiler system should be installed as a pressurised system. Then, close both valves, one at a time. Two things you dont want to happen if you want to reduce the likelihood of a costly repair job. The system needs to be completely cool. Fit your external filling loop. A flat head screwdriver is usually the best tool for this. How often should boiler pressure drop? Unfortunately not, but it is always worth a try. Step 2. 100% positive If youre unsure about anything, its a good idea to call an engineer who can help you. Installing and using a filling loop is very DIY-friendly. If the pressure drops significantly, the boiler will stop firing. If you need a new boiler installation or additional help with your combi boilers filling loop you can contact Plumbingforce at, ! 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. New boilers in stock next day installation available! 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. Do not keep trying to repressurise the system, as this could potentially cause further damage. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. This part is fundamental for the whole procedure. One end will have a handle valve while the other end will have an isolation valve. Include your email address to get a message when this question is answered. Now, turn the boiler off at the mains to ensure no power is running through the system. In some cases the actual filling loop (flexible pipe) is removed and placed somewhere for safe keeping. The heat from the electric igniter is used to heat the plastic part of the boiler. 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. Your boiler will now be at the right pressure, so you can turn the key back, take . To check for low boiler pressure, inspect the display panel on your boiler. This may become quite tiring and annoying, however, so replacing your old handle is likely the more convenient of the two options. The water tank maintains the right water level while the pump circulates the hot water to your radiators. The metal part of the boiler is placed in the plastic cask. ","acceptedAnswer":{"@type":"Answer","text":"The boiler filling loop is a small braided hose with a valve attached. Port Talbot Member since 10 Jul 2018 When the key is unlocked, it should feel completely secure in the manifold. If valves are difficult to turn, spray with WD 40 and wait for a few minutes. Bosch Thermotechnology Ltd. 2023, all rights reserved. Baxi boiler blog posts from Housewarm. Bosch Thermotechnology Ltd, Registered Office Address- Cotswold Way, Warndon, Worcester, WR4 9SW Company registration number in England 1993294. 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. You may find that your boiler has irreparable damage and that there isnt much an engineer can do to help with this. You are looking for a braided hose with a small fill valve on it."}}]}. Use an adjustable spanner to tighten both ends. The volume of your system is fixed, so adding more water increases the pressure. They usually come as an additional attachment with the boiler. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. Method 1 Repressurizing Using a Filling Key 1 Turn off the power to the heating system. 4. If youve tried to re-pressurise the system once and it hasnt worked, dont keep trying it. 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. Oil/Gas Steel Shell and Cast Iron Sectional Boilers. They usually come as an additional attachment with the boiler. It will always save you money in the long run. 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. 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. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. We've teamed up with Homebuilding & Renovating to show you how to solve it. You'll see the filling loop handles at a 90 angle to the pipe. In some cases, you may need a wrench to tighten them completely. Because of the boiler filling loop regulations. All you have to do is contact us and ask for a professional to resolve the issue as soon as possible. You should see the gauge increase as you open the handle valve. If it takes longer than this, you could have a leak in the system. You can consult the manual for this part. Remove it to locate the internal filling key. This is a silver connection between the mains and the primary central heating circuit. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. "}},{"@type":"Question","name":"Whats a boiler filling loop? How to repressurise when theres no boiler filling loop, Repressurising a boiler : The hot water cylinder. Over time its common to get a small leak on a valve or joint in the boiler. 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. 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. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/bf\/Repressurize-a-Boiler-Step-1.jpg\/v4-460px-Repressurize-a-Boiler-Step-1.jpg","bigUrl":"\/images\/thumb\/b\/bf\/Repressurize-a-Boiler-Step-1.jpg\/aid9295602-v4-728px-Repressurize-a-Boiler-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"