With a proper illustration, you dont have to fumble your way to the isolation valve. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. It is used to repressurise your boiler and top up the water when you drain or bleed your system. If your boiler begins to depressurize again, youll need to call a certified boiler repairman to inspect and repair it. Once this has been done, fire your system up and check the pressure gauge, which should be between the right range of 1-1.5 bars. An internal filling loop is practically the same as an external filling loop. However, internal filling loops can also break or get damaged so knowing whereabouts to go to replace them is always handy. Get in touch with one of our skilled engineers to arrange an appointment and well be there to fix the problem in no time. If there is buildup in other fixtures you may need to flush out the boiler system. 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. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! You should see the gauge increase as you open the handle valve. It might take a bit longer if youve never done it before. 100% positive Turn off the Power. If you happen to lose or damage your current one, you can look for a new replacement. That will then put a greater strain on your boilers internal components, as well as potentially increasing your heating bill. r/Plumbing I want to say THANK YOU to all you plumbers out there who save DIYers, like myself. 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 more than 13,000 members of the Viessmann family in 74 countries follow this purpose. Boiler Central Ltd provide finance via this website and is registered in England and Wales No 010483032 VAT Number GB351991381 Trading address is 100 Thornes Lane, Wakefield, WF2 7QX. Access to this when attempting to fix your boiler pressure is usually behind a hatch or flap that has a spot where a filling loop key should be inserted. Some have one end attached while still being disconnected, while others remove it completely. 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. Afterwards, insert your filling loop key after opening the hatch and place the filling loop in the correct area. 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 What happens if you over pressurise your boiler? Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. 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) Oil/Gas Steel Shell and Cast Iron Sectional Boilers. 2. 99% positive Bosch Thermotechnology Ltd, Registered Office Address- Cotswold Way, Warndon, Worcester, WR4 9SW Company registration number in England 1993294. You'll be able to identify if you have an external filling loop, because there'll be two valves;one from the mains cold water and then a second valve which is connected to the heating system. 3. 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 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. Baxi Potterton. After turning your boiler off, wait a few hours so it can cool. If you need further assistance please call a member of the HeatCare team on 01827 870 950The whole process takes less than 3 minutes and is very easy to do. . Its essential to your comfort, providing a constant stream of hot water, heating your radiators and generally making the place feel like home. Use a spanner or wrench to turn the valve next to the filling key until you can hear water flowing through it. Monitor the valve until it reaches the recommended level for your boiler model. Almost any local hardware store will sell them at relatively cheap prices, as well as online retailers that sell a wide range of items, just search it up. Why is My Baxi Boiler Not Firing Up? This step may vary according to your boiler. 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. Registered in England No. Dont worry, it happens. Turn the manifold nut and the manifold key back to the locked position. Turn off the boiler. Insert the filling key into the keyhole and unlock it. The plastic part of the boiler is placed in the metal part of the boiler. Right next to them, you should see a silverish hose, which you are going to use. The metal part of the boiler is placed in the plastic cask. If youre unsure about anything, its a good idea to call an engineer who can help you. You dont want to be left without hot water or heating. jobs, Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. . 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. An internal one is very different from an external one. 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. **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). 05272398. Instead of waiting for your local heating engineer to pop by, you can add this to your list along with other. ","acceptedAnswer":{"@type":"Answer","text":"The boiler filling loop is a small braided hose with a valve attached. Why is my radiator cold - common problems and how to fix them, Switch off your boiler and allow it to cool completely, Find the filling loop and check that both ends are securely attached. Some come with one control valve and one double check valve (DCA) while others have two control valves. The most common reasons for lack of pressure include a leak somewhere in the system or a damaged pressure relief valve. First of all, you need to make sure the boiler is switched off. 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. Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. The Vitodens family is our best selling range of gas condensing boilers. 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. There may also be a fault with your pressure release valve. The loop valve will be on and allow water through it when it lines up with the hose of the filling loop. You should see valves at both ends of hose. Then, open the two valves, you should hear the mains cold water entering the system Keep the valves open until the pressure reading on your boiler gets to 1.5 bar. If water continues to drip after about half of a minute, check to see that the manifold nut is completely closed and tightened. Theres clearly a problem and its best to get an engineer to have a look at whats going on. 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. Here are helpful steps you can take: Turn off your boiler or shut down the electricity. . 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. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. It will always save you money in the long run. We all love to stay cosy and warm at home no matter the season. Watch the pressure gauge as you do this. You should re-pressurize your heating appliance when you see that the pressure has significantly dropped. 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. 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. Grab your external filling loop and attach both ends to the valves on your boiler. This part is fundamental for the whole procedure. 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. In that case, you can try to check out the central heating filling loop diagram or combi boiler filling loop diagram online. 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. 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. Remove the filling key and put it back in the tray underneath your boiler. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. How do you Repressurise a boiler without a filling loop? This should be enough water to get your combi boiler back up to pressure again. Always begin the process of repressurising your boiler by checking your boiler manual. The turn the tap on the right-hand side to the open position. 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