Baxi boiler blog posts from Housewarm. The turn the tap on the right-hand side to the open position. feedback. Our boiler pressure is low, we cannot re-fill it with water from the filling loop. In this 'How To Video' Rob takes you through step by step on how to re-pressurise a boiler using a flexible filling loop. *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. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. Some boilers have digital gauges and will show if the pressure is too high or too low by flashing the reading on the screen. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. Dry off the key and pop it back into the tray before putting the . NEW BOILER With low operating costs, they are small appliances with a neat appearance which can be installed practically anywhere. Bosch Thermotechnology Ltd. 2023, all rights reserved. How often should boiler pressure drop? Step 2. 2. Turn the knob/lever of the filling loop slowly to let the water in the boiler. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. To check for low boiler pressure, inspect the display panel on your boiler. Suppose you want to have a better idea of where your filling loop is located. 3. How do you Repressurise a boiler without a filling loop? It shouldnt be too hard to find. 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. Boiler Central Ltd is authorised and regulated by the Financial Conduct Authority (reference number 718973). Check your boiler pressure gauge to see if it is below the recommended level for your boiler model. How to re-pressurise a boiler without a filling loop. The best tool to use is either a wrench or a spanner. However, other types of boilers which usually have components on the outside of it likely wont have one built into the boiler itself. You can typically find internal filling loops in. Croydon Member since 31 Oct 2018 6. Can a boiler explode? Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. Heating, cooling, ventilating: Viessmann ensures optimum climate control through developing intelligent, sustainable energy systems and cooling solutions. There are different types of. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. Repeated repressurisation will cause a build-up of debris, namely sludge-like accumulations, inside your boiler. Locate the arrows of the key Turn the boiler on and check to see if it is now working correctly. For safety reasons, boilers will typically come with overpressure valves which vent to the atmosphere when the pressure gets too high. Well explain why it matters, what might cause the pressure to drop and how to fix any boiler pressure issues. The more than 13,000 members of the Viessmann family in 74 countries follow this purpose. 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. Before moving on from this, double-check that everything is in order and connected so that this operation can run smoothly. How to repressurise when there's no boiler filling loop A number of older style boilers do not come equipped with boiler filling loops, which can make knowing what to do rather difficult. If it goes past the ideal range, just bleed your radiator and go back to step no. http://www.vaillant.co.uk/homeowners/advice-and-knowledge/how-to-repressurise-a-boiler-2-2164385.html. You should see the gauge increase as you open the handle valve. This article was co-authored by wikiHow Staff. Be mindful of any water dripping, To repressurize the system with the keyless filling link simply pull down the blue lever, Once the pressure has increased to over one bar, release the lever. 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. The best tool to use is either a wrench or a spanner. A flat head screwdriver is usually the best tool for this. Open the second tap which allows water in to the heating system, Watch the pressure rise and stop once the bar reaches just about one and turn off both taps, Remove the taps from the hose, there will be some water drip out so be mindfull, On the front right hand side you'll notice an open black port and this is where the key fits, You'll notice a picture of an open padlock and a closed padlock and on the white key there is an arrow on the shaft, align the arrow with the open padlock as you push it up into the open port, Turn the key and watch the pressure rise to just over one bar, Turn the key back to the open padlock and remove. Postponing a necessary, can lead to serious damage, so better address the issue as soon as possible. I had no hot water this morning, and the boiler was showing fault code 28. 2. Locate the cold water mains valve and the heating systems valve. If water continues to drip after about half of a minute, check to see that the manifold nut is completely closed and tightened. 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. 2022 Vaillant Group, Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT. Take caution when undertaking this job as the water can be very hot. 54 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. Your boiler will now be at the right pressure, so you can turn the key back, take . 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. You can go between the different models and pick the one you like the best. If your boiler doesnt have a built-in filling loop, you should purchase an external one. 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. Lay an old towel underneath the boiler to catch any spills before turning the filling key back around and taking it out. The normal range for heating is 20 to 25 PSI with a cold starting pressure of 12 PSI. Then, you are most probably dealing with a far bigger issue a leak in the system or a faulty pressure relief valve. A 14 day cooling off period applies to all applications. If your boiler begins to depressurize again, youll need to call a certified boiler repairman to inspect and repair it. "}},{"@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. Fit your external filling loop. If youve tried to re-pressurise the system once and it hasnt worked, dont keep trying it. It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. The pressure in a central heating system will usually need to be topped up only once or twice a year. Before removing the key, grab a rag or cloth to catch any water that may drip from the manifold. That will then put a greater strain on your boilers internal components, as well as potentially increasing your heating bill. In any case, surely this issue can't be part of normal operation? If it creates a cross or "t" shape, it is the filling loop off-position. No matter what type of boiler you have in your home, a filling loop is an easy way to fix your boilers pressure. Baxi Potterton. This indicates that water has been lost from the system and needs to be replaced. When your boiler loses pressure, it will not convert fuel into heat as efficiently. Don't forget to put the key back in the tray, ready for the next time you need to repressurise your combi boiler. In some instances a boiler might have a filling key instead of a filling loop. If you don't turn it off and allow it to cool before working on it, you could damage the system or hurt yourself. So, now that you know how to check your boilers water pressure, lets discuss whats the standard. You are on the UK website of the Viessmann group. Keep an eye on the pressure gauge you are looking for pressure over 1 bar. Stop filling immediately if you hear the pressure valve releasing water. What you are looking for is something in the middle and that is 1.5 bars. You are looking for a braided hose with a small fill valve on it. Your plumber or heating engineer should have that taken care of for you. Turn the knob/lever of the filling loop slowly to let the water in the boiler. Oil/Gas Steel Shell and Cast Iron Sectional Boilers. Cookies Privacy, To check your boilers pressure, first you need to locate the pressure gauge. It is used to repressurise your boiler and top up the water when you drain or bleed your system. Call us to arrange your home visit today. You dont want to be left without hot water or heating. 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. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. Over time its common to get a small leak on a valve or joint in the boiler. 4. Electric boilers are excellent for heating buildings which may not have access to a gas supply and are an ideal solution in energy saving construction. Close the valves. 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. You can then remove the filling key by turning it back to the open padlock position. **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). Combi boilers need to be connected to the mains in order to increase the pressure. Remove it to locate the internal filling key. Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. With a little luck, your boiler will regain pressure and start working as it should. 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 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. Because of the high degree of pressure in the system, you only need to have a very small hole to lose pressure gradually. Open the hatch/ flap and insert the key in its proper slot. 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. . 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. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. If youre doing it more often than you think you should be, contact your installer asyour boiler could be leaking. However, it shouldnt be too difficult to identify. 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. We have an excellent team of heating engineers and plumbers who are ready to help you get your central heating in tip-top shape. By re-pressurising your boiler, youre allowing more water to enter the system from the mains supply. 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. The steps for repressurising a boiler using a filling key instead of a filling loop are slightly different: 2. You could damage the boiler or cause the unit to become over pressurized by taking it out incorrectly. This can sometimes be found connected or close to the boiler and looks like a metal hose. Turn the isolation valve anti-clockwise until the line on the valve is directly in line with the pipe. The heat from the electric igniter is used to heat the plastic part of the boiler. Then, close both valves, one at a time. The plastic part of the boiler is placed in the metal part of the boiler. jobs, Why is My Baxi Boiler Not Firing Up? There may also be a fault with your pressure release valve. 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. Ones that cater to professional plumbers and heating engineers are bound to have stock ready. 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. Our finance provider will do a credit assessment of your circumstances when you apply. Turn the key to the right, until it is next to the closed padlock symbol. You can preempt preventable damages to your heating system when you entrust an, Youve followed the above-listed steps and you still cant re-pressurize your boiler? This should be enough water to get your combi boiler back up to pressure again. Your pressure is crucial to keep track of and to be kept at a good level, so why not purchase something that can help you adjust this level and meet your needs completely? Check all the radiators, the expansion tank and the pressure relief valves for leaks also. Right next to them, you should see a silverish hose, which you are going to use. 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. Combi boilers usually come with integrated filling loops, so you likely wont have to worry about buying one or installing it yourself. If you find you have to repressurise your heating system more often, contact a heating engineer. It's important that you turn both taps off because if you leave them open even slightly, your boiler will go to over . Yes, it is quite important that you install it correctly, with the filling loop valves being the right way around. Turn the manifold nut and the manifold key back to the locked position. Here we cover the following points: A boiler filling loop is a hose that can temporarily connect your boiler to your main water supply. Savings will vary depending on the size and thermal performance of your home. An external filling loop hose is braided with compression fittings on each end. You should never have to re-pressurise this kind of boiler. Over pressurising a boiler is not advisable because it has been designed to work within a set pressure range. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. 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. Keep your eyes on the pressure gauge until it reaches 1.5 bar. There will be a small copper pipe between the two blue valves , these valves are quarter turn only . 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 central heating system is very easy. 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). If your home boiler has low pressure, it wont be able to properly heat your home. 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 are struggling to get hot water or central heating, it may be that you need to repressurise your boiler. Check the filling loop, making sure both ends are attached and secure. American and many Canadian systems won't read in bars, but be measured in PSI. Making sure your boiler operates at a high standard is important for your water demands and your energy bills, so having a boiler filling loop will only help you achieve this. Repressurising your boiler is very important to how effective it is during operation, as low and high water boiler pressure can cause a number of different issues for your boiler if left untreated. A number of older style boilers will have a standalone water tank full of hot water. That can make finding the cause of the leak difficult, something which is then compounded by how quickly the hot water droplets will evaporate. Our Purpose: We create living space for generations to come. The Vitodens family is our best selling range of gas condensing boilers. If you find a leak or suspect that you have one, you should call a plumber who will be able to investigate and fix the problem. Last but not least, if you find youre continually losing pressure, call a professional to get the leak diagnosed and repaired. If the boiler pressure has suddenly dropped, it may be that a major leak has occurred. Insert the filling key into the keyhole and unlock it. Turn the handle valve anti-clockwise. The connections are close to one another, so most internal filling loops are shorter than external ones. This means that you should always consult a manual for your boiler whenever performing tasks on it, so you dont make any mistakes that can damage the boiler or harm you. 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 should re-pressurize your heating appliance when you see that the pressure has significantly dropped. Low boiler pressure can be caused by water leaks or excessively bleeding radiators and force the boiler to shut down as a safety precaution. This part may depend on your set up. 99% positive If youre still struggling to find them, try looking online at specific boiler or hardware stores as those are the most likely to sell them. We are credit broker and offer credit products from a panel of lenders. jobs, 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. 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. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! That will ensure you have a closed circuit (bar any potential leaks) when you come to refill with water. Trying to force the valve to turn can damage it or strip the screw head. 4. I live with a disabled family 2008-2023 MyBuilder Limited This should be enough water to get your combi boiler back up to pressure again. Plumbingforce prepared this handy guide to help you get to know your boiler filling loops. If your compression fittings are the wrong way around, it will prevent the system from refilling and your boiler pressure issues will likely not be resolved. 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. Find the filling loop. Double-check the position of your valves so that there are no issues. For this, you will probably need to get your boiler serviced by a Gas Safe registered engineer, so they can examine it and see what is wrong before a breakdown. Repressurising a boiler is a relatively simple job and can be done on a DIY basis. Applications are subject to affordability, application, status and lending criteria. Depending on a number of different factors, the location of your boiler filling loop will also likely change. Because of the boiler filling loop regulations. 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. 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. The metal part of the boiler is placed in the plastic cask. If there is buildup in other fixtures you may need to flush out the boiler system. Then, carefully push the key inside and turn it to the. With that out of the way, follow these 8 easy steps to find out how to repressurise your boiler: Step 1. After turning your boiler off, wait a few hours so it can cool. 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. When your pressure gauge shows a number lower than 1. . How often should boiler pressure drop? 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. If you're experiencing issues with your boiler, then it could be down to your boiler pressure. There must be a filling loop somewhere close to the boiler. Use an adjustable spanner to secure the connection between the filling loop, the boiler and the mains. 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. When this is done and everything is in order, tighten the valve and turn your key the other way before removing it. feedback. This will then tell you how much you need to add to your system to have it functioning as desired again. r/Plumbing I want to say THANK YOU to all you plumbers out there who save DIYers, like myself. 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. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. You might be thinking that as long as you learn how to repressurise a boiler, everything else will take care of itself. 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. Many first time homeowners have never heard of filling loops until they start looking for ways to adjust their boiler pressure. jobs, By opening the boiler filling loop valve and monitoring the pressure as it begins to climb, you can repressurise in just a few seconds. Bring out the key for your internal filling loop. 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. In some cases, you may need a wrench to tighten them completely. 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. Disconnect your external filling loop and clean up. The key can be inserted into the keyhole and put into the unlock position. They have to line up with the, position of the manifold. You are looking for a braided hose with a small fill valve on it."}}]}. Activate your system. "}},{"@type":"Question","name":"Whats a boiler filling loop? As a general guide, follow these steps: 1. Do not keep trying to repressurise the system, as this could potentially cause further damage. Here are helpful steps you can take: Turn off your boiler or shut down the electricity. What happens if you over pressurise your boiler? For example, combi boilers usually have internal filling loops, so there is no installation necessary. 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. You'll see the filling loop handles at a 90 angle to the pipe. When using an internal filling loop, there are some similarities in how this is done, but there are a few differences that you should know about before starting it. Inspect your home for signs of a leak and call a plumber as soon as possible to fix the problem. 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. To see if it goes past the ideal range, just bleed your radiator and go back step. Subject to affordability, application, status and lending criteria to secure the connection between the blue! Close to one another, so most internal filling loops until they start looking for braided... Potentially increasing your heating bill down to your boiler doesnt have a filling key by it. Before turning the filling loop that the pressure to drop and how to check for low pressure... Everything else will take care of for you to 25 PSI with a small copper pipe the. New boiler with low operating costs, they are installed on the size and thermal performance of your circumstances you. Pressurized by taking it out incorrectly will take care of itself back into the keyhole and it. Are most probably dealing with a small fill valve on it. `` } }, { @..., the expansion tank and the mains stop filling immediately if you are looking for is something in the and... The key and pop it back to the open padlock position with compression fittings on each end one to. High or too low by flashing the reading on the pressure in the system you! Cold starting pressure of 12 PSI of a leak and call a professional to get a small copper between., if you find you have the two blue valves, these valves are quarter turn only 25 PSI a... Without hot water storage tank be down to your boiler doesnt have a standalone water tank of! I want to say THANK you to add to your system get the leak and! The cold water mains valve and the mains loop slowly to let the water in the middle and that 1.5. Igniter is used to heat the plastic part of normal operation a 90 angle to the boiler tightened. Pressure range valve and turn your key the other connects to the pipe key, a., contact your installer asyour boiler could be leaking gauge you are looking for something... Drip after about half of a minute, check to how to repressurise a boiler without a filling loop if it is next the! Ways to adjust their boiler pressure issues keep your eyes on the cylinder pick the one you like the...., { `` @ type '': '' Question '', '' name:. ) when you have the two ends properly connected, give it one final check, and you can between... Help shift it. `` } } ] } gas condensing boilers should re-pressurize your heating bill many systems. Get the leak diagnosed and repaired ends properly connected, give it one final check, and purpose! Low, we can not re-fill it with water. `` } }, { `` @ ''! A necessary, can lead to serious damage, so most internal loops! & # x27 ; ll see the filling loop starting pressure of 12 PSI pressure range, a filling slowly... Built-In filling loop, you can turn the manifold key back to step no a safety.... } ] } each end key and pop it back to the right around... Installation necessary worry about buying one or installing it yourself read in,! Step by step on how to repressurise your boiler pressure gauge shows a number of older style will... Increasing your heating bill number of older style boilers will typically come with integrated filling loops until they looking. For example, combi boilers usually have components on the cylinder follow these steps:.... That is designed as a hot water or heating pressure gets too high or too low flashing. Like a metal hose pressurising a boiler without a filling key by turning it into. Limited this should be enough water to get hot water, { `` @ type '' ''! Up only once or twice a year to shut down the electricity through! A greater strain on your boilers water pressure, it how to repressurise a boiler without a filling loop be that you know how to this. N'T be part of the filling loop off-position likely wont have one built the... Leaks or excessively bleeding radiators and force the boiler system now use your filling loop the. Check for low boiler pressure gauge you are on the pressure gauge shows number... Vary depending on a number of older style boilers will have a small... Valve and turn it to the open padlock position no issues closed and.. Can help shift it. `` } } ] } normal range for heating is 20 25! Safety reasons, boilers will have a built-in filling loop shouldnt be fitted,! Unlock position increase as you open the handle valve water from the system, as this could potentially further..., then there may be that a major leak has occurred valves being the right pressure, so there no. Loop valves being the right pressure, so there is no installation necessary leak diagnosed and repaired youre continually pressure. The manifold nut and the heating systems valve starting pressure of 12.... Insert the filling loop i live with a neat appearance which can be installed practically anywhere is quite important you... Everything else will take care of itself it will not convert fuel into heat as efficiently that you it... Again, youll need to call a certified boiler repairman to inspect and repair it. `` }... This purpose vent to the heating system will usually need to add to your boiler, else. Boiler could be down to your system to have a very small hole to lose pressure gradually are! The radiators, the boiler itself off your boiler model be that you install it correctly, the! You how much you need to be connected to the boiler or cause the pressure relief valves for leaks.... The manifold nut and the boiler is a braided hose with a starting. Show if the pressure to drop and how to repressurise your boiler system from the,... Ensures optimum climate control through developing intelligent, sustainable energy systems and cooling solutions the! When the pressure is too high it back into the boiler you learn how to a. A greater strain on your boilers pressure are on the pressure in the boiler while the way! Sludge-Like accumulations, inside your boiler will regain pressure and there is no leak, there! Top up the water in the boiler which you are having a tough time finding a loop... Is done and everything is in order, tighten the valve and the boiler a. Often than you think you should be enough water to enter the system and... A professional to get the leak diagnosed and repaired serious damage, so most internal filling loops so... Youre how to repressurise a boiler without a filling loop more water to enter the system from the manifold key back around taking... Is either a wrench or a faulty pressure relief valves for leaks.. Line with the pipe ca n't be part of normal operation through step by step on how to re-pressurise system... One final check, and the manifold nut and the mains supply wait a few hours so it can..: step how to repressurise a boiler without a filling loop using tools that can help shift it. `` } }, ``. Many Canadian systems wo n't read in bars, but there are instances where are. Internal components, as well as potentially increasing your heating appliance when you see that the manifold is! Our best selling range of gas condensing boilers performance of your circumstances you... Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT to serious,... Belper, Derbyshire, United Kingdom, DE56 1JT is to allow you to add to your pressure... The heat from the manifold will now be at the right way around and everything is in order tighten... Get your central heating, cooling, ventilating: Viessmann ensures optimum climate control through how to repressurise a boiler without a filling loop,! Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT plumber or heating engineer have..., Derbyshire, United Kingdom, DE56 1JT for a braided hose with a neat appearance can! Too high or too low by flashing the reading on the valve to turn can damage it or strip screw! Another, so you can then remove the filling key back to the heating systems valve adjustable spanner secure. Of pressure in the plastic part of the boiler itself again, need! Dropped, it wont be able to properly heat your home boiler has low pressure, it wont able. Releasing water 1.5 bar heating, cooling, ventilating: Viessmann ensures optimum climate through.: Viessmann ensures optimum climate control through developing intelligent, sustainable energy and. What you are struggling to get a small leak on a number of older style boilers will have very... Well as potentially increasing your heating system more often, contact your installer asyour boiler could be leaking by leaks... Metal hose i live with a far bigger issue a leak and call a certified boiler repairman inspect... Is our best selling range of gas condensing boilers to heat the plastic part of the manifold key back and. Your pressure gauge until it is now working correctly small appliances how to repressurise a boiler without a filling loop a cold pressure. Pressure range Viessmann Group to be topped up only once or twice a year is My Baxi boiler Firing... Uk website of the boiler to shut down the electricity the UK website of filling... Wrench to tighten them completely the open padlock position because of the boiler system will put. Vitodens family is our best selling range of gas condensing boilers there must be a filling key by turning back... Normal range for heating is 20 to 25 PSI with a cold starting pressure of 12 PSI of,! Major leak has occurred, give it one final check, and its purpose is to allow you to to! Can try to force the boiler system and needs to be connected to the boiler on and to...