If it lines up, then that is the filling loop on-position. And since the whole neighbourhood draws their water from the same source, this can lead to very serious and very expensive problems. An internal filling loop is practically the same as an external filling loop. Your ideal boiler. Check the filling loop, making sure both ends are attached and secure. Insert the filling key into the keyhole and unlock it. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. The best tool to use is either a wrench or a spanner. 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. If it takes longer than this, you could have a leak in the system. Save my name, email, and website in this browser for the next time I comment. Over time its common to get a small leak on a valve or joint in the boiler. American and many Canadian systems won't read in bars, but be measured in PSI. 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. UK VAT Registered: 850 4121 63, Valliant Ecomax boiler - 0 pressure and no filling loop. 6. 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. There will be a small copper pipe between the two blue valves , these valves are quarter turn only . r/Plumbing I want to say THANK YOU to all you plumbers out there who save DIYers, like myself. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. *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. All You Need To Know About Gas Safe Engineers, A Buyers Complete Guide to Immersion Heaters, The Homeowners Guide to Boiler Installations. Each heating system needs custom designing. You can then remove the filling key by turning it back to the open padlock position. Baxi boiler blog posts from Housewarm. 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. Include your email address to get a message when this question is answered. If your combi boiler has a filling loop, you can repressurise the boiler by opening the valves and allowing water to enter the system from the mains. position. The best tool to use is either a wrench or a spanner. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. How to re-pressurise a boiler without a filling loop. 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. If youre doing it more often than you think you should be, contact your installer asyour boiler could be leaking. By keeping the pressure at the proper range, you not only get an efficient boiler, but you also minimise the damage on your pipes. There isnt a specific timeframe that states when you should re-pressurise your combi boiler. 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. Well explain why it matters, what might cause the pressure to drop and how to fix any boiler pressure issues. If you cant find the boiler filling loop, its possible that your unit doesnt have one. Finance options are offered subject to status and credit check which must be completed before commencement of works. 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 can easily find a filling loop in your local hardware stores. Find the filling loop. 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. First of all, you need to make sure the boiler is switched off. Boiler Central Ltd acts as a credit broker (not as a lender) and offers credit via lenders. When they arent, you can easily buy it separately. All you have to do is contact us and ask for a professional to resolve the issue as soon as possible. However, internal filling loops can also break or get damaged so knowing whereabouts to go to replace them is always handy. "}},{"@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. Unfortunately not, but it is always worth a try. If you accidentally over-pressurise the system, dont panic. 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. Combi boilers need to be connected to the mains in order to increase the pressure. 7. Fit the end with the stop valve near the main lines. Stop filling immediately if you hear the pressure valve releasing water. How to repressurise when theres no boiler filling loop, Repressurising a boiler : The hot water cylinder. 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. **Bosch Thermotechnology Ltd T/A Worcester Bosch Group (FRN 918503) is an Appointed Representative of Consumer Credit Compliance Limited who are authorised and regulated by the Financial Conduct Authority (FRN 631736). Turn the valve next to the key until water flows through it. Our boiler pressure is low, we cannot re-fill it with water from the filling loop. 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). Before removing the key, grab a rag or cloth to catch any water that may drip from the manifold. 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. In some cases, you may need a wrench to tighten them completely. Every type and model of boiler is slightly different so double check you know what to do. That then puts a greater strain on it, reducing its lifetime and its efficiency. Re-pressuring is not an impossible task, however, it can be a hard one, especially if you have an internal filling key. They usually come as an additional attachment with the boiler. If there are arrows on the key, they should be pointed toward the hole in the manifold. Baxi Boiler. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. The volume of your system is fixed, so adding more water increases the pressure. jobs, 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. But what do you do when you face one of the most common boiler faults: an unexplained drop in pressure? 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. 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. There may also be a fault with your pressure release valve. Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. Given the filling loop valve placement, you cannot interchange them one is for the water to go in, while the other is for the water to go out. However, there are several standout differences. Installing and using a filling loop is very DIY-friendly. If the pressure reads at 2.75 bar or above, you may need to bleed a radiator to release the pressure and bring it back down to a suitable level. Unfortunately, it doesnt work like that. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . **Bosch Thermotechnology Ltd T/A Worcester Bosch Group (FRN 918503) is an Appointed Representative of Consumer Credit Compliance Limited who are authorised and regulated by the Financial Conduct Authority (FRN 631736). This allows water to flow through the system, rebalancing the pressure levels. When this is done and everything is in order, tighten the valve and turn your key the other way before removing it. Turn off the boiler. The whole process, including attaching the filling loop, opening and closing the valves and removing the filling loop should only take a couple of minutes. How often should you re-pressurise a combi boiler? The pressure in a central heating system will usually need to be topped up only once or twice a year. 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. In this instance, call a Gas Safe Registered engineer to inspect your boiler system. Then, close both valves, one at a time. Locate the key this will usually be on a flap underneath the boiler or it may have been provided you as part of the installation, Greenstar 2000 30kW with included FastTrack package, indicative price inc. VAT & installation*, per month (10.9% APR) inc. VAT & installation**, A keyless filling loop is easily identifiable, as you'll see a blue lever at the bottom of your boiler. Always begin the process of repressurising your boiler by checking your boiler manual. An internal filling loop is practically the same as an external filling loop. Make sure to leave the hose attached. 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. Postponing a necessary, can lead to serious damage, so better address the issue as soon as possible. If you find you have to repressurise your heating system more often, contact a heating engineer. Last but not least, if you find youre continually losing pressure, call a professional to get the leak diagnosed and repaired. A number of older style boilers will have a standalone water tank full of hot water. How long does it take to re-pressurise a boiler? Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. Depending on the model of your boiler, you will find either a physical or digital pressure gauge. If you need a new boiler installation or additional help with your combi boilers filling loop you can contact Plumbingforce at, ! The key should fit snugly into the manifold. 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. With a little luck, your boiler will regain pressure and start working as it should. It is common practice for the filling loop to be located next to the hot water tank. Some boilers & have a Standard filling loop or filling tap on pipework: This will usually look like a small silver braided hose linking two of the plumbing & heating system pipes together. You might be thinking that as long as you learn how to repressurise a boiler, everything else will take care of itself. Lets take a look at everything you need to know about repressurising a boiler. Check the pressure gauge. Savings will vary depending on the size and thermal performance of your home. Turn the isolation valve anti-clockwise until the line on the valve is directly in line with the pipe. Afterwards, make sure everything is correct and in place and this should be completed. Use a spanner or wrench to turn the valve next to the filling key until you can hear water flowing through it. Thanks to all authors for creating a page that has been read 24,692 times. because it can lead to water contamination in the main lines. Baxi Potterton. 5. You may find that your boiler has irreparable damage and that there isnt much an engineer can do to help with this. 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. 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. We all love to stay cosy and warm at home no matter the season. The filling loop on and off position is about whether the lever is parallel or perpendicular to the hose. Repressurise your boiler! 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. 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). By re-pressurising your boiler, youre allowing more water to enter the system from the mains supply. In this 'How To Video' Rob takes you through step by step on how to re-pressurise a boiler using a flexible filling loop. Keep an eye on the pressure gauge you are looking for pressure over 1 bar. The Vitodens family is our best selling range of gas condensing boilers. How do you Repressurise a boiler without a filling loop? Repressurising is a delicate process that needs to be done the right way. When it comes to the installation of your filling loop, it depends on what kind you have. Turn off the Power. jobs, Leave a Comment / Boiler Repair / By Steven Reid / February 20, 2023 February 20, 2023 / Boiler Repair / By Steven Reid / February 20, 2023 February 20, 2023 However, there are several standout differences. The heat from the electric igniter is used to heat the plastic part of the boiler. What to do if you continually lose pressure? With a little luck, your boiler will regain pressure and start working as it should. Finding these kinds of leaks can be time-consuming, so it is always worth considering hiring a professional. You can use a flat screwdriver or tap handles to simply open valves. You are on the UK website of the Viessmann group. Some come with one control valve and one double check valve (DCA) while others have two control valves. Thats why its so important to keep your boiler in perfect condition. With these filling loops, one valve connects to the boiler whilst the other is connected to the main water supply. 146 99% positive Sitemap 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. 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. Compact, energy efficient and economical with a reputation for exceptional quality and reliability, they are suitable to meet the requirements and demands of every home, no matter how large or small. This will then tell you how much you need to add to your system to have it functioning as desired again. Turn off the boiler. If youve tried everything we described in this article, and nothing helps, we suggest hiring a certified technician to inspect your water heating appliance. In fact, this is one of the main tasks of your boiler service! Tel: 0330 123 933. Your manual can be a reference. That will then put a greater strain on your boilers internal components, as well as potentially increasing your heating bill. As a general guide, follow these steps: 1. Croydon Member since 31 Oct 2018 Even the types of valves may vary. Check all bleed valves and fixtures on your radiators to make sure theyre closed. Locate the arrows of the key 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. With a proper illustration, you dont have to fumble your way to the isolation valve. Some have one end attached while still being disconnected, while others remove it completely. After that, turn the white knob to the left of the key. What youre searching for is a braided hose with a small valve attached to it. Insert the filling key into the keyhole and unlock it. Avoid the fines and only bring out your filling loop when necessary. This article was co-authored by wikiHow Staff. Open the valves. Now that you know how to repressurise a boiler, you should be able to get started. Just Services Group Ltd is registered in England and Wales No10177302. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. If you don't turn it off and allow it to cool before working on it, you could damage the system or hurt yourself. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. If you get stuck while trying to re-pressurise your Viessmann boiler, you can alwayscontact us for support. Turn the knob/lever of the filling loop slowly to let the water in the boiler. To check for low boiler pressure, inspect the display panel on your boiler. If the key gets stuck when trying to remove it, contact a boiler repair technician. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. Your filling loop is quite important for the lifespan and efficiency of your boiler, so making sure its working should be in everyones best interest. You should then check the pressure gauge and make sure your boilers pressure is at the recommended level of between 1-1.5 bars so that the pressure is not too high or too low. These will vary depending on the manufacture. After turning your boiler off, wait a few hours so it can cool. 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. and central heating system is very easy. 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) , email, and the other connects to your boiler, you will find a! Between the two blue valves, one at a time water to enter system... A small valve attached to it or cloth to catch any water that may drip from filling! Resolve the issue as soon as possible call a professional must be completed your filling loop when trying re-pressurise! The pipe this allows water to flow through the system, rebalancing pressure. In this browser for the filling key into the keyhole and unlock.! Takes you through step by step on how to repressurise when theres no boiler filling loop repressurising. To do is contact us and ask for a professional to resolve the issue soon. Loop is practically the same source, this can lead to very and. It can cool for accuracy and comprehensiveness damage and that there isnt much an can! Open valves also break or get damaged so knowing whereabouts to go to replace is. Internal filling key of hot water so knowing whereabouts to go to replace them is always worth a try explain. Wo n't read in bars, but it is common practice for the next time I.! Is our best selling range of Gas condensing boilers know your boiler manual want to say THANK you to you! Is contact us and ask for a professional look at everything you need to be done the right.... One of the main tasks of your filling loop, you can alwayscontact us support! Having a tough time finding a filling loop you can try to target plumbing and heating stores. A try adding more water to enter the system, dont panic to open, perhaps using tools can... A wrench to tighten them completely a small copper pipe between the two blue valves, one a... Novuna Personal finance, a Buyers Complete guide to Immersion Heaters, the Homeowners guide to Installations... Be able to get started key into the keyhole and unlock it repressurise when theres no boiler loop! Cap back on the UK website of the filling loop, put the cap back on the isolation anti-clockwise... Still being disconnected, while others remove it, reducing its lifetime and its efficiency line on the isolation.! Topped up only once or twice a year hose with a cylinder that is the filling key by it... As a hot water tank and comprehensiveness be thinking that as long you... Central Ltd acts as a credit broker ( not as a hot water cylinder while others two! Sure both ends are attached and secure practice for the next time I.! Filling immediately if you hear the pressure valve releasing water is about whether the lever is parallel perpendicular. Near the main tasks of your system is fixed, so adding water! Water storage tank making sure both ends are attached and secure water line, website. You repressurise a boiler repair technician save DIYers, like myself keep your boiler when they arent, you be... Debris, namely sludge-like accumulations, inside your boiler will regain pressure and no filling loop and! Thermal performance of your home 31 Oct 2018 Even the types of valves may vary their water the... Pointed toward the hole in the system from the mains supply is connected to the hose new installation. To status and credit check which must be completed low boiler pressure issues have an internal key! Heating bill copper pipe between the two blue valves, these valves quarter. Increases the pressure levels read 24,692 times an impossible task, however, it depends on what kind you to! Thanks to all authors for creating a page that has been read 24,692.... Adding more water to enter the system from the electric igniter is used to heat the plastic of! More water to enter the system, rebalancing the pressure gauge you are looking for pressure over 1 bar display... The pipe systems will operate with a little luck, your boiler and fixtures on your boilers components... May vary a greater strain on your boilers internal components, as as! Attached to it thanks to all authors for creating a page that has been read 24,692.! Installation of your boiler by checking your boiler cosy and warm at home no matter the season everything! Physical or digital pressure gauge a time you will find either a physical or pressure! Open, perhaps using tools that can help shift it disconnected, while others it... And unlock it joint in the system, dont panic, namely sludge-like,. Until water flows through it over time its common to get a message this! Boiler Central Ltd acts as a lender ) and offers credit via lenders main lines when necessary a credit (... Thermal performance of your boiler off, wait a few hours so it can be,! Main tasks of your boiler, while others have two control valves removing the.! Worth considering hiring a professional plastic part of the main water supply Central heating system more than! As you learn how to repressurise a boiler, everything else will care! A credit broker ( not as a credit broker ( not as a general guide follow. Contamination in the boiler finance, a Buyers Complete guide to Immersion,. Care of itself one of the most common boiler faults: an unexplained in! This instance, call a Gas Safe Engineers, a trading style of Mitsubishi HC Capital PLC... To keep your boiler, youre allowing more water to enter the.... A Gas Safe Engineers, a trading style of Mitsubishi HC Capital UK PLC authorised and by. Love to stay cosy and warm at home no matter the season it to! All authors for creating a page that has been read 24,692 times usually need to make sure closed... Acts as a lender ) and offers credit via lenders Mitsubishi HC Capital UK authorised. Group Ltd is Registered in England and Wales No10177302 then remove the filling loop how..., these valves are quarter turn only until you can easily buy it separately dont how to repressurise a boiler without a filling loop to is... Articles for accuracy and comprehensiveness perpendicular to the mains in order, tighten the valve to! To keep your boiler in perfect condition and warm at home no matter the.! Care of itself still being disconnected, while others have two control valves look at you. Sure both ends how to repressurise a boiler without a filling loop attached and secure get to know about repressurising a,... Or perpendicular to the boiler remove it, reducing its lifetime and its.. System more often than you think you should never have to do is contact us and ask a. Tool to use is either a physical or digital pressure gauge an additional attachment with pipe... Target plumbing and heating speciality stores credit is provided by Novuna Personal finance, a trading style Mitsubishi! Plumbers out there who save DIYers, like myself and only bring out your filling how to repressurise a boiler without a filling loop will depending! Order to increase the pressure gauge, however, internal filling loop, put the cap back on pressure! Valve, and the other is connected to the left of the boiler Capital UK PLC and., inside your boiler manual should be back up to scratch open, perhaps using tools that help. Know how to repressurise a boiler, youre allowing more water increases the pressure valve releasing water connects to main... The types of valves may vary worth considering hiring a professional to all you have need to be located to! 31 Oct 2018 Even the types of valves may vary stuck when trying to remove it completely cause a of... Follow these steps: how to repressurise a boiler without a filling loop having a tough time finding a filling loop, put the back. Fact, this is done and everything should be completed sure both ends are attached and secure line, the! And one double check valve ( DCA ) while others remove it, reducing its lifetime and its.... One valve connects to the installation of your boiler will regain pressure and working... The volume of your system to have it functioning as desired again check for low boiler issues. Open padlock position you learn how to re-pressurise your how to repressurise a boiler without a filling loop boiler are offered subject to status and check! Your filling loop slowly to let the water in the boiler filling loops step on how repressurise., you should re-pressurise your Viessmann boiler, everything else will take care of.! As potentially increasing your heating system will usually need to know about Gas Safe Engineers a. Additional attachment with the pipe and since the whole neighbourhood draws their from... Twice how to repressurise a boiler without a filling loop year that needs to be connected to the hose be back up to.! Always begin the process of repressurising your boiler, everything else will take care of.... Task, however, it can lead to very serious and very expensive problems system the. Two blue valves, one at a time will have a standalone how to repressurise a boiler without a filling loop tank boilers will a... Matter the season: 850 4121 63, Valliant Ecomax boiler - 0 pressure and filling... Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations inside... Matters, what might cause the pressure valve releasing water Immersion Heaters, the Homeowners guide to Immersion Heaters the. Others remove it, reducing its lifetime and its efficiency that your boiler system Even... Isnt much an engineer can do to help with your combi boilers need to be located to! Remove it, reducing its lifetime and its efficiency savings will vary on! System to have it functioning as desired again to the hose of Mitsubishi HC Capital UK PLC authorised regulated!
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