Watch the Pressure Gauge. Every type and model of boiler is slightly different so double check you know what to do. However, there are several standout differences. Method 1 Repressurizing Using a Filling Key 1 Turn off the power to the heating system. Keep an eye on the control below; you're looking for the pressure to be around 1.5 bar. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. ","acceptedAnswer":{"@type":"Answer","text":"The boiler filling loop is a small braided hose with a valve attached. You can easily find a filling loop in your local hardware stores. 69 The boiler filling loop is a small braided hose with a valve attached. If you accidentally over-pressurise the system, dont panic. 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. Ensure the filling loop or relief valve is tightly closed. No matter what type of boiler you have in your home, a filling loop is an easy way to fix your boilers pressure. Afterwards, insert your filling loop key after opening the hatch and place the filling loop in the correct area. If you find you have to repressurise your heating system more often, contact a heating engineer. Firstly, you should check that your boiler filling loop is in good condition so that none of the previously mentioned issues will occur straight away. For the most part, you can tell by what type of boiler you have. You can typically find internal filling loops in. 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. Bring out the key for your internal filling loop. If you cant find the boiler filling loop, its possible that your unit doesnt have one. This step may vary according to your boiler. Croydon Member since 31 Oct 2018 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. Combi boilers usually come with integrated filling loops, so you likely wont have to worry about buying one or installing it yourself. If it takes longer than this, you could have a leak in the system. Turn the boiler back on and check. 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. The system works by heating up cold water in the hot water storage cylinder which feeds into your taps. What happens if you over pressurise your boiler? If youve tried to re-pressurise the system once and it hasnt worked, dont keep trying it. If you are looking to learn how to repressurise a boiler, follow the steps below. Make sure to leave the hose attached. Grab the hose and connect it to each valve. A number of older style boilers do not come equipped with boiler filling loops, which can make knowing what to do rather difficult. Easy to use filling loop to pressurise system . How do you Repressurise a boiler without a filling loop? If you push the button underneath the radiator symbol twice it will show you the pressure in figures. You can check the pressure of your boiler by looking at the gauge on the front when your boiler is off and cool. Remove it to locate the internal filling key. 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). Soon youll know how to keep the heating on even when pressure problems loom. We have an excellent team of heating engineers and plumbers who are ready to help you get your central heating in tip-top shape. 100% positive Some boilers have digital gauges and will show if the pressure is too high or too low by flashing the reading on the screen. How to re-pressurise a boiler without a filling loop. 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. This will then tell you how much you need to add to your system to have it functioning as desired again. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. Make sure to keep a close eye on your boiler. All you have to do is contact us and ask for a professional to resolve the issue as soon as possible. Hello, Step 6 - Remove the filling key. 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. At the heart of it all, it does the same job. The system needs to be completely cool. This feature is put in place to help repressurise your boiler when needed to get it to the correct level that is required for an effective boiler. This part may depend on your set up. 146 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. Turn the Filling Loop Handles. https://www.homebuilding.co.uk/advice/how-to-repressurise-a-boiler, https://heatingforce.co.uk/blog/how-to-repressurise-a-boiler/, https://www.britishgas.co.uk/home-services/boilers-and-heating/guides/boiler-pressure.html, https://www.youtube.com/watch?v=23vahQHOnGo, https://singletrackworld.com/forum/topic/low-pressure-in-boiler-but-no-filling-loop/, {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Can you repressurise a boiler too often? Source: Energy Saving Trust. To allow cold water to enter the system, you'll have to open both valves of the filling loop. Email: service.mailbox@uk.bosch.com, Representative example - 10.9% APR Interest Bearing Credit - Cash price: 2,900, Deposit (25% optional): 725, Total amount of credit: 2,175, Term: 120 months, 120 Monthly payments: 28.12, APR representative: 10.9%, Fixed rate of interest: 10.9%, Total amount payable: 4,099.40, Total charge for credit: 1,199.40, Learn more about the future of heating and how it might affect you, Sign up to MyBosch for support with your boiler. When they arent, you can easily buy it separately. feedback. This filling loop helps connect your mains water supply to the central heating system of your household, which is why they are sometimes also known as a central heating filling loop. With low operating costs, they are small appliances with a neat appearance which can be installed practically anywhere. Heating, cooling, ventilating: Viessmann ensures optimum climate control through developing intelligent, sustainable energy systems and cooling solutions. Grab your external filling loop and attach both ends to the valves on your boiler. The volume of your system is fixed, so adding more water increases the pressure. The stop valve should be connected to your boiler with the other side connected to your mains supply, where both should be fixed firmly into place to prevent a leak. It doesnt minimise the risk. When your boiler loses pressure, it will not convert fuel into heat as efficiently. The more than 13,000 members of the Viessmann family in 74 countries follow this purpose. 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. If you find that your internal or external filling loop isnt for your boiler, there is likely a bigger issue with it or your boiler that needs to be sorted out. However, if you have a conventional boiler system, you may have a self-filling water tank (usually located in the loft) which controls the pressure for you. That is designed to prevent large buildups of pressure from causing ruptures inside the boiler, and the explosion that would likely come with it. . The pressure in a central heating system will usually need to be topped up only once or twice a year. Here's how to repressurise a boiler using an external filling loop: Switch off your boiler and allow it to cool Attach the hose securely to the cold water valve and the boiler valve Once the filling loop is secured, open up the two valves, starting with the cold water and then the boiler Repressurising is a delicate process that needs to be done the right way. 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. Sitemap A hydraulic pressure gauge will indicate the standard operating pressure with a green zone and the maximum safe operating pressures with a red zone. And If you see a number higher than 2.5, then your pressure is too high. 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. Just make sure the valve is firmly shut before firing the boiler. Lets take a look at everything you need to know about repressurising a boiler. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. You may need someone to help you if you're unable to see the gauge when you're filling the system. So, now that you know how to check your boilers water pressure, lets discuss whats the standard. An internal filling loop is practically the same as an external filling loop. 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. 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. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/bf\/Repressurize-a-Boiler-Step-1.jpg\/v4-460px-Repressurize-a-Boiler-Step-1.jpg","bigUrl":"\/images\/thumb\/b\/bf\/Repressurize-a-Boiler-Step-1.jpg\/aid9295602-v4-728px-Repressurize-a-Boiler-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"