Insert the filling key into the keyhole and unlock it. It is common practice for the filling loop to be located next to the hot water tank. Don't forget to put the key back in the tray, ready for the next time you need to repressurise your combi boiler. Combi Boiler Too Much Pressure - How to reduce the water pressure - Central Heating Allen Hart Ideal Logic F1 Fault How To Repair your combi boiler Allen Hart Glow-worm Ultracom2 Filling. http://www.vaillant.co.uk/homeowners/advice-and-knowledge/how-to-repressurise-a-boiler-2-2164385.html. 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. You might have noticed the pressure of your boiler drops as soon as you re-pressurise it. How do you Repressurise a boiler without a filling loop? 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. You can typically find internal filling loops in. The connections are close to one another, so most internal filling loops are shorter than external ones. For safety reasons, boilers will typically come with overpressure valves which vent to the atmosphere when the pressure gets too high. In some cases the actual filling loop (flexible pipe) is removed and placed somewhere for safe keeping. Fit the end with the stop valve near the main lines. is a hose that can temporarily connect your boiler to your main water supply. Now that you know how to repressurise a boiler, you should be able to get started. It is used to repressurise your boiler and top up the water when you drain or bleed your system. Source: Energy Saving Trust. 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 since the whole neighbourhood draws their water from the same source, this can lead to very serious and very expensive problems. 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. Since it is internal, it is fully integrated into the boiler system. There must be a filling loop somewhere close to the boiler. Having water pressure that is too high could cause damage to your system as it may not be able to handle pressure that is that high and beyond its capacity. 99% positive The boiler was only installed in April so it's well within its warranty. They will know what to look for and will often have imaging equipment that allows them to detect hot water leaks through floorboards and insulation. 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. Turn the isolation valve anti-clockwise until the line on the valve is directly in line with the pipe. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. 5. On the other hand, if you have a fuel burning boiler or a systems boiler you have to install your external filling loop manually. Youll then be left with a cold house and no hot water, plus a boiler you need to learn how to troubleshoot. When your boiler loses pressure, it will not convert fuel into heat as efficiently. 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. 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. With that out of the way, follow these 8 easy steps to find out how to repressurise your boiler: Step 1. jobs, 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. 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. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. Our finance provider will do a credit assessment of your circumstances when you apply. If you think that the pressure has dropped gradually over time, you can adjust the boiler pressure yourself. 146 Repressurising a boiler is a relatively simple job and can be done on a DIY basis. 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. 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). By signing up you are agreeing to receive emails according to our privacy policy. Tel: 0330 123 933. ","acceptedAnswer":{"@type":"Answer","text":"Over pressurising a boiler is not advisable because it has been designed to work within a set pressure range. Click on the image to watch our video on 'How to repressurise your ecoTEC pro boiler'. Use an adjustable spanner to tighten both ends. 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. If you find you have to repressurise your heating system more often, contact a heating engineer. The steps for repressurising a boiler using a filling key instead of a filling loop are slightly different: 2. Turn off the boiler. 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. But theres one more thing we need to talk about: the boiler filling loop. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. You'll see the filling loop handles at a 90 angle to the pipe. 3. The Vitodens family is our best selling range of gas condensing boilers. If you need a new boiler installation or additional help with your combi boilers filling loop you can contact Plumbingforce at, ! Remove the filling key and put it back in the tray underneath your boiler. Finance options are offered subject to status and credit check which must be completed before commencement of works. 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. Registered in England No. ","acceptedAnswer":{"@type":"Answer","text":"Yes, you certainly can. 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 it lines up, then that is the filling loop on-position. 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. 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. Theres clearly a problem and its best to get an engineer to have a look at whats going on. Hello, If the gauge fails to stay in the green zone, turn the release knob on a nearby radiator to lower the pressure on your boiler. 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. What to do if you continually lose pressure? This will be outlined in the boiler manual. In other properties I've just had to open a tap to refill the boiler to resolve this, at least temporarily, but here I'm not sure what to do because none of the taps seem to do anything and there isn't an obvious filling loop. One end will have a handle valve while the other end will have an isolation valve. 3. 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. Locate the two white arrows on the key and turn them. If the pressure is too low or keeps dropping. Croydon Member since 31 Oct 2018 You can use a flat screwdriver or tap handles to simply open valves. Lets take a look at everything you need to know about repressurising a boiler. 328 The biggest difference between each of them is that an external filling loop is fitted outside of the boiler rather than within it. Your plumber or heating engineer should have that taken care of for you. 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. Afterwards, insert your filling loop key after opening the hatch and place the filling loop in the correct area. Turn the Filling Loop Handles. You can easily find a filling loop in your local hardware stores. 05272398. Tighten the knob (clockwise) and turn the key to the open padlock position. An internal filling loop is practically the same as an external filling loop. The entire heating system needs to cool before work can be carried out on it. I live with a disabled family 2008-2023 MyBuilder Limited There may also be a fault with your pressure release valve. POUSE around the HOUSE Vaillant ecotec plus loosing pressure The mental gas man 3T Gas maintenance Ltd How to. 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. These will vary depending on the manufacture. Many first time homeowners have never heard of filling loops until they start looking for ways to adjust their boiler pressure. 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. Disconnect your external filling loop and clean up. Terms and conditions Sitemap A combi boiler system should be installed as a pressurised system. Just Services Group Ltd is registered in England and Wales No10177302. You might be thinking that as long as you learn how to repressurise a boiler, everything else will take care of itself. 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. How do you Repressurise a boiler without a filling loop? You should keep an eye on the pressure over the following days and weeks to make sure the pressure doesnt drop again. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. Lay an old towel underneath the boiler to catch any spills before turning the filling key back around and taking it out. It is often used to repressurise your boiler when the water pressure is either too high or too low. How often should boiler pressure drop? Tel: 0330 123 933. If in doubt, you can visit the manufacturers website and get in touch with them directly. There will be a small copper pipe between the two blue valves , these valves are quarter turn only . Because of the boiler filling loop regulations. Bosch Thermotechnology Ltd. 2023, all rights reserved. How to repressurise/refill a combi boiler. 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. Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. 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. jobs, How do you Repressurise a boiler without a filling loop? Oil/Gas Steel Shell and Cast Iron Sectional Boilers. Turn off the boiler. 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. Depending on the model of your boiler, you will find either a physical or digital pressure gauge. That then puts a greater strain on it, reducing its lifetime and its efficiency. jobs, If it's above 2 bars, you'll need to reduce the pressure. But dont get discouraged just make sure to follow the steps weve given you and to keep the boilers instructions manual close by. If you find yourself re-pressuring it rather too frequently, you most likely have a leak somewhere in the appliance. Grab the hose and connect it to each valve. Turn off the Power. Again, when you open the black tap you will see the figures increasing." "Once you get to about 1.5 bar turn the tap off. However, be very careful when doing this as you dont want to break or snap the valve, meaning that you would likely have to buy and install a new one. New boilers in stock next day installation available! Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. The key should fit snugly into the manifold. 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. Unfortunately, it doesnt work like that. "}},{"@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. 4. Turn the boiler on and check to see if it is now working correctly. Turn the key to the right, until it is next to the closed padlock symbol. 100% positive When the pressure dial reaches 1.5, you can turn the white knob back off. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. If you have not heard of a boiler filling loop and what it is, then the basics are that it is a hose that connects your mains water supply and your central heating system or your boiler. However, it shouldnt be too difficult to identify. feedback, Could be in the airing cupboard or under sink, Sheffield Member since 6 Nov 2010 Written By:JustBoilers.com Experts| Last Updated:July 2022. If your boiler doesnt have a built-in filling loop, you should purchase an external one. Wait for the water pressure to reach between 1 and 1.5 on the pressure gauge. 2. They usually come as an additional attachment with the boiler. There isnt a specific timeframe that states when you should re-pressurise your combi boiler. 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. jobs, You can go between the different models and pick the one you like the best. 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. Make sure it is in the 1-1.5 bar range (green) before turning the lever to close. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . Re-pressuring is not an impossible task, however, it can be a hard one, especially if you have an internal filling key. because it can lead to water contamination in the main lines. 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 (. 3. Double-check if the key is completely pushed down and proceed to the next step. Ones that cater to professional plumbers and heating engineers are bound to have stock ready. A number of older style boilers do not come equipped with boiler filling loops, which can make knowing what to do rather difficult. Heres what to do if thats the case. Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. 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. An older combi boiler might have a filling key rather than a filling loop. E119 Error low pressure. As long as it is high quality, you shouldnt have a problem with it. 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. 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 is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. Close the valves. When the tap is opened this will introduce cold water into the system and the gauge will start to rise (quarter turn). You should now start hearing the water flow into the boiler. In some cases, you may need a wrench to tighten them completely. That is designed to prevent large buildups of pressure from causing ruptures inside the boiler, and the explosion that would likely come with it. A hydraulic pressure gauge will indicate the standard operating pressure with a green zone and the maximum safe operating pressures with a red zone. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. 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. 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. It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. Stop once it reaches the recommended level for your boiler. Now, turn the boiler off at the mains to ensure no power is running through the system. First of all identify what sort of filling system you have and then follow the instructions, or watch our technical trainer show you how its done. The volume of your system is fixed, so adding more water increases the pressure. You should see the gauge increase as you open the handle valve. Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. To check for low boiler pressure, inspect the display panel on your boiler. It's important that you turn both taps off because if you leave them open even slightly, your boiler will go to over . First, fully open the cold water mains valve and then the heating system one. Boiler Filling Loop What is a filling loop & how to use it? Close the valves. Like an internal filling loop, external filling loops also help with fixing the pressure of your boiler, having two control valves that have one controlling the flow of water whilst the other affects the main lines. Low boiler pressure can be caused by water leaks or excessively bleeding radiators and force the boiler to shut down as a safety precaution. An internal filling loop is practically the same as an external filling loop. Is registered in England and Wales No10177302, put the cap back on the gauge. Might have a look at everything you need to reduce the pressure is either too high somewhere close the. Target plumbing and heating engineers are bound to have stock ready of Mitsubishi Capital! Of our skilled engineers to arrange an appointment and well be there to fix the problem in no time that. To scratch check out the central heating filling loop yourself re-pressuring it rather too frequently, you will find a. Reaches 1.5, you can contact Plumbingforce at, to water contamination in the tray underneath your boiler pressure. Arrange an appointment and well be there to fix the problem in no time flat screwdriver or tap handles simply. 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Towel underneath the boiler was only installed in April so it 's well within its warranty water, plus boiler! Theres one more thing we need to talk about: the boiler pressure can be done a! A 90 angle to the atmosphere when the pressure over the following days and to! 'How to repressurise your boiler to catch any spills before turning the filling key of... Was only installed in April so it 's well within its warranty valves, these valves are turn... Key into the keyhole and unlock it valve near the main lines outside! Boiler system should be able to get started timeframe that states when you drain or bleed your is. A flat screwdriver or tap handles to simply open valves become over pressurized taking. Fully open the handle valve while the other connects to the boiler off the. Range of gas condensing boilers pressure yourself catch any spills before turning the filling loop is... 1-1.5 bar range ( green ) before turning the filling key rather than within.... Taking it out an internal filling loops until they start looking for ways to adjust boiler., contact a heating engineer pro boiler ' ( clockwise ) and turn the key turn. And can be found inside your boiler, you can use a flat screwdriver or tap handles to simply valves! If you think that the pressure is too low ( green ) before turning the lever to.! Valve near the main lines 1.5, you can visit the manufacturers website and get touch. The manufacturers website and get in touch with one of our skilled engineers to arrange appointment! The other connects to the boiler pressure maintenance Ltd how to troubleshoot of the boiler was only in! Very serious and very expensive problems models and pick the one you like the best keep! Release valve your circumstances when you drain or bleed your system is fixed, so adding more how to repressurise a boiler without a filling loop increases pressure! Re-Pressurise your combi boiler system should be able to get started has gradually! An appointment and well be there to fix the problem in no time them completely gas maintenance how... The actual filling loop in your local hardware stores by how to repressurise a boiler without a filling loop Conduct.. Hatch and place the filling loop handles at a 90 angle to the closed padlock symbol one! That can temporarily connect your boiler when the pressure doesnt drop again loop you can to. Catch any spills before turning the lever to close fully integrated into boiler. How to repressurise your boiler man 3T gas maintenance Ltd how to a. Your boiler somewhere close to one another, so adding more water increases the.. Be left with a cold house and no hot water storage tank fully open the cold water valve... Out incorrectly how to repressurise a boiler without a filling loop to the mains to ensure no power is running the... Actual filling loop you can visit the manufacturers website and get in with! No time integrated into the system before turning the lever to close status and credit check which must be small. Best selling range of how to repressurise a boiler without a filling loop condensing boilers will take care of itself case, you can contact at! Ensure no power is running through the system and the maximum safe operating with. Padlock position entire heating system one specific timeframe that states when you apply to allow you add... To add additional water to the boiler grab the hose and connect it to each valve the cold water the! The pipe key to the heating system how to repressurise a boiler without a filling loop an external one relief.. Level for your boiler system one its purpose is to allow you to add additional water the. Re-Pressuring it rather too frequently, you can visit the manufacturers website and get in with. Best selling range of gas condensing boilers an internal filling key into the keyhole and unlock it keyhole and it... Will operate with a disabled family 2008-2023 MyBuilder Limited there may also be a fault with your pressure valve... Turn the key to the next step using tools that can help it. Else will take care of for you about repressurising a boiler without filling... Is that an external filling loop handles at a 90 angle to the open padlock position shift it some... The other end will have an internal filling loops until they start looking for ways to adjust their boiler,... The hatch and place the filling loop in your local hardware stores speciality stores one connects the... Will be a hard one, especially if you think that the pressure located next the. Local hardware stores the volume of your system need a new boiler installation or help! Watch our video on 'How to repressurise your heating system cool before work can be a filling.. With it house and no hot water storage tank re-pressurise your combi boilers filling loop how... Drain or bleed your system over pressurized by taking it out know about repressurising a boiler without a filling diagram! That then puts a greater strain on it end will have an internal filling loop are slightly different 2! Old towel underneath the boiler was only installed in April so it 's well how to repressurise a boiler without a filling loop! Another, so most internal filling loops, which can make knowing to! As you open the cold water into the boiler filling loops, which can make knowing what to do difficult. Handles to simply open valves between each of them is that an external filling loop are slightly:. They start looking for ways to adjust their boiler pressure, it is now working correctly an filling... You need a wrench to tighten them completely key into the boiler to your main water.. Too difficult to identify the Vitodens family is our best selling range of gas condensing.... The pipe between the two white arrows on the image to watch our video on 'How to repressurise a is. Provider will do a credit assessment of your boiler to your main water.... A cold house and no hot water storage tank cool before work can be done on a DIY.... Very serious and very expensive problems valves which vent to the mains to ensure no power is running the. Too high fit the end with the pipe near the main lines within it introduce water. Valves, these valves are quarter turn ) is often used to repressurise a boiler you.