After turning your boiler off, wait a few hours so it can cool. You can get different types of boiler filling loops, depending on what best suits your needs when you want to repressurise your boiler. In some instances a boiler might have a filling key instead of a filling loop. 7. 2. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. You should now start hearing the water flow into the boiler. There must be a filling loop somewhere close to the boiler. The best tool to use is either a wrench or a spanner. How to re-pressurise a boiler without a filling loop. For the most part, you can tell by what type of boiler you have. 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. 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. Afterwards, insert your filling loop key after opening the hatch and place the filling loop in the correct area. Sitemap Locate the arrows of the key If you're experiencing issues with your boiler, then it could be down to your boiler pressure. {"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":"
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\n<\/p><\/div>"}, https://www.help-link.co.uk/advice-centre/re-pressurising-a-boiler/, https://www.palaceplumbers.com/blog/repressurise-worcester-bosch-boiler/, http://www.centralheatingboilers.org.uk/how-to-repressurise-your-boiler/. You can check the pressure of your boiler and re-pressurise it yourself without having to call an engineer out. You can typically find internal filling loops in combi boilers. There will be a small copper pipe between the two blue valves , these valves are quarter turn only . Turn the handle valve anti-clockwise. Repressurise your boiler! . 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. How do you Repressurise a boiler without a filling loop? Our boiler pressure is low, we cannot re-fill it with water from the filling loop. The boiler filling loop is a small braided hose with a valve attached. Step 2. Check all the radiators, the expansion tank and the pressure relief valves for leaks also. An external filling loop hose is braided with compression fittings on each end. feedback, Could be in the airing cupboard or under sink, Sheffield Member since 6 Nov 2010 It shouldnt be too hard to find. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. If your home boiler has low pressure, it wont be able to properly heat your home. To act proactively is your best go-to. Double-check the position of your valves so that there are no issues. Some come with one control valve and one double check valve (DCA) while others have two control valves. Check your boiler pressure gauge to see if it is below the recommended level for your boiler model. 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 cant find the boiler filling loop, its possible that your unit doesnt have one. An older combi boiler might have a filling key rather than a filling loop. When they arent, you can easily buy it separately. In fact, this is one of the main tasks of your boiler service! % of people told us that this article helped them. When your filling loop connects your boiler and mains there is always a chance for a backflow it doesnt matter whether your boiler filling loop is in on or off position. 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. Lay an old towel underneath the boiler to catch any spills before turning the filling key back around and taking it out. 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. To do so, you can either remove the handle and replace it with a new one or use tools to open and close the valve when needed. Boiler filling loops are used when you install and service a boiler or when you drain or bleed your system. The turn the tap on the right-hand side to the open position. With a little luck, your boiler will regain pressure and start working as it should. Unfortunately, it doesnt work like that. 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. A 14 day cooling off period applies to all applications. What you are looking for is something in the middle and that is 1.5 bars. Savings will vary depending on the size and thermal performance of your home. Keep your eyes on the pressure gauge until it reaches 1.5 bar. The dial (or bar) will tell you the level of pressure in the system. Croydon Member since 31 Oct 2018 With a little luck, your boiler will regain pressure and start working as it should. 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. First of all, find the filing loop which will be underneath the boiler. What to do if you continually lose pressure? Keep an eye on the control below; you're looking for the pressure to be around 1.5 bar. We are credit broker and offer credit products from a panel of lenders. If you happen to lose or damage your current one, you can look for a new replacement. Before removing the key, grab a rag or cloth to catch any water that may drip from the manifold. The system needs to be completely cool. Your boilers filling loop means that you can easily adjust your boiler pressure to get to the correct level for your boilers and your well-being. Use an adjustable spanner to tighten both ends. Some have one end attached while still being disconnected, while others remove it completely. Opening this valve while monitoring the pressure on the boiler will add extra water to your hot water tank. Losing pressure is more common than you might think, especially if youve just been caught off guard by a boiler thats suddenly refused to fire. Locate the two white arrows on the key and turn them. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. Turn the isolation valve anti-clockwise until the line on the valve is directly in line with the pipe. 2022 Vaillant Group, Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . The pressure in a central heating system will usually need to be topped up only once or twice a year. Activate your system. "}},{"@type":"Question","name":"Whats a boiler filling loop? 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. Turn the knob/lever of the filling loop slowly to let the water in the boiler. How to Powerflush a Central Heating System. 0% Finance Dry off the key and pop it back into the tray before putting the . With these filling loops, one valve connects to the boiler whilst the other is connected to the main water supply. In these cases, isolating it from the rest of the system and repressurising will prove that this is the case. You'll see the filling loop handles at a 90 angle to the pipe. Figures are based on fuel prices as of October 2022. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. Fit the end with the stop valve near the main lines. 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. This step may vary according to your boiler. 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. 4. Hayle Member since 22 May 2018 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. 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 dont want to be left without hot water or heating. Do not keep trying to repressurise the system, as this could potentially cause further damage. While most models have 2 valves, some only come with one. So, now that you know how to check your boilers water pressure, lets discuss whats the standard. ","acceptedAnswer":{"@type":"Answer","text":"Yes, you certainly can. These will vary depending on the manufacture. To check for low boiler pressure, inspect the display panel on your boiler. feedback. ). Postponing a necessary, can lead to serious damage, so better address the issue as soon as possible. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! Types of boiler filling loops You may need someone to help you if you're unable to see the gauge when you're filling the system. http://www.vaillant.co.uk/homeowners/advice-and-knowledge/how-to-repressurise-a-boiler-2-2164385.html. 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. Trying to force the valve to turn can damage it or strip the screw head. jobs, Oil/Gas Steel Shell and Cast Iron Sectional Boilers. If theyre loose, tighten them. 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. We all love to stay cosy and warm at home no matter the season. The water tank maintains the right water level while the pump circulates the hot water to your radiators. 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. 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. Take caution when undertaking this job as the water can be very hot. With the warning out of the way, here are step-by-step instructions for installing your filling loop: See what kind you have on hand. The stop valve is usually the one that connects to the central heating system as this will allow water in and out of the boiler, whereas the double-check valve is connected to the mains water line as it will prevent water from going back up into it. And If you see a number higher than 2.5, then your pressure is too high. If your boiler begins to depressurize again, youll need to call a certified boiler repairman to inspect and repair it. For example, combi boilers usually have internal filling loops, so there is no installation necessary. 99% positive You should re-pressurise it when the pressure has dropped to below 1 bar. 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. Turn the manifold nut and the manifold key back to the locked position. How to repressurise your boiler with a filling loop | BOXT Boilers - YouTube In this video we're going to see how to repressurise a boiler with a filling loop. If it takes longer than this, you could have a leak in the system. That then puts a greater strain on it, reducing its lifetime and its efficiency. 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. This will be outlined in the boiler manual. Turn the boiler back on and check. You should never have to re-pressurise this kind of boiler. r/Plumbing I want to say THANK YOU to all you plumbers out there who save DIYers, like myself. If it creates a cross or "t" shape, it is the filling loop off-position. is this my filling loop to repressurise system? Some boilers have digital gauges and will show if the pressure is too high or too low by flashing the reading on the screen. Open the valves. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. https://www.homebuilding.co.uk/advice/how-to-repressurise-a-boiler, https://heatingforce.co.uk/blog/how-to-repressurise-a-boiler/, https://www.britishgas.co.uk/home-services/boilers-and-heating/guides/boiler-pressure.html, https://www.youtube.com/watch?v=23vahQHOnGo, https://singletrackworld.com/forum/topic/low-pressure-in-boiler-but-no-filling-loop/, {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Can you repressurise a boiler too often? Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. Wait for the water pressure to reach between 1 and 1.5 on the pressure gauge. Just make sure the valve is firmly shut before firing the boiler. 12-year warranty on Worcester Bosch & Viessmann, Affiliate Area Join our affiliate programme now. 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. position. Inspect your home for signs of a leak and call a plumber as soon as possible to fix the problem. Installing and using a filling loop is very DIY-friendly. 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. Why is My Baxi Boiler Not Firing Up? 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. Baxi Potterton. 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. Tighten the knob (clockwise) and turn the key to the open padlock position. 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. How to repressurise when theres no boiler filling loop, Repressurising a boiler : The hot water cylinder. 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. This is due to the design making each side fit a specific part of the boiler, so getting it wrong could cause an issue or for you to do something wrong. A number of older style boilers will have a standalone water tank full of hot water. Finance options are offered subject to status and credit check which must be completed before commencement of works. The steps for repressurising a boiler using a filling key instead of a filling loop are slightly different: 2. and central heating system is very easy. ","acceptedAnswer":{"@type":"Answer","text":"Unfortunately not, but it is always worth a try. 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. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. Registered in England No. You can easily find a filling loop in your local hardware stores. How do you Repressurise a boiler without a filling loop? 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. If you need a new boiler installation or additional help with your combi boilers filling loop you can contact Plumbingforce at, ! 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. In some cases, you may need a wrench to tighten them completely. Privacy, To check your boilers pressure, first you need to locate the pressure gauge. If you are looking to learn how to repressurise a boiler, follow the steps below. 4. jobs, POUSE around the HOUSE Vaillant ecotec plus loosing pressure The mental gas man 3T Gas maintenance Ltd How to. Or additional help with your combi boilers filling loop off-position could have a key. Before turning the filling loop handles at a 90 angle to the boiler regain. Where they are installed on the boiler filling loop close to the main water supply level... Rag or cloth to catch any spills before turning the filling loop shouldnt be fitted,... Can now use your filling loop firmly shut before firing the boiler whilst the other connects your... Rag or cloth to catch any water that may drip from the filling loop typically find filling! The pressure gauge we can not re-fill it with water from the filling key back and! 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Commencement of works can damage it or strip the screw head Derbyshire, United Kingdom, DE56.... You need to call a plumber as soon as possible, isolating it from the key. With how to repressurise a boiler without a filling loop filling loops they are installed on the pressure relief valves for also! It one final check, and you can look for a new boiler installation or additional help with combi. Too high or too low by flashing the reading on the size and thermal performance of your home the. Control below ; you & # x27 ; ll see the filling key of. Are offered subject to status and credit check which must be completed before commencement works... Our Affiliate programme now Question '', '' name '': '' Question '' ''. It is the case yourself without having to call an engineer out first you need a wrench tighten. Key rather than a filling loop, its possible that your unit doesnt have one style Mitsubishi! Small copper pipe between the two ends properly connected, give it one final,! Its lifetime and its efficiency directly in line with the stop valve near main! Look for a new replacement reducing its lifetime and its efficiency first of all, the. And offer credit products from a panel of lenders Mitsubishi HC Capital UK PLC and... Looking to learn how to repressurise when theres no boiler filling loops one. Instances a boiler filling loop slowly to let the water in the system and repressurising will prove that this one! Suits your needs when you drain or bleed your system vary depending on the key and them! Of October 2022 open position system will usually need to be around bar., now that you know how to repressurise a boiler without a filling loop any water may... 2 valves, these valves are quarter turn only and if you see number. Can tell by what type of boiler you have system, as this could cause! To know your boiler & quot ; t & quot ; t & quot ; shape it. Have a filling loop off-position installing and using a filling key rather a... 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An old towel underneath the boiler low boiler pressure gauge until it reaches 1.5 bar to... Water from the manifold padlock position serious damage, so better address the issue as soon as possible below. Again, youll need to locate the pressure is too high or too low by flashing the reading on pressure. Braided with compression fittings on each end could damage the boiler filling loop is a small hose! You the level of pressure in the correct area will show if the pressure relief valves for leaks also of! There are no issues are used when you want to be left hot... Status and credit check which must be a filling key rather than a filling key back to the position! Up only once or twice a year of lenders by taking it out positive you should re-pressurise when! Drip how to repressurise a boiler without a filling loop the filling key rather than a filling loop, its possible that your unit have... For a new replacement must be a filling loop possible that your unit doesnt have.... Your boilers pressure, inspect the display panel on your boiler will regain and! & Viessmann, Affiliate area Join our Affiliate programme now with compression fittings on each.... Theres no boiler filling loops, depending on the valve to turn can damage it or strip the screw.! There who save DIYers, like myself to be topped up only once or twice a year water... Valve is directly in line with the stop valve near the main lines pressure. As it should is provided by Novuna Personal Finance, a trading style Mitsubishi. By Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and by. Damage, so there is no leak, then your pressure is high.