If in doubt, you can visit the manufacturers website and get in touch with them directly. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. 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. But what do you do when you face one of the most common boiler faults: an unexplained drop in pressure? 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. The pressure in a central heating system will usually need to be topped up only once or twice a year. Croydon Member since 31 Oct 2018 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. Then, close both valves, one at a time. 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. Do You Have To Turn Boiler Off To Repressurise . The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. You are looking for a braided hose with a small fill valve on it."}}]}. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. Thanks to all authors for creating a page that has been read 24,692 times. Some brands and models might have a different placement. When the tap is opened this will introduce cold water into the system and the gauge will start to rise (quarter turn). Keep your eyes on the pressure gauge until it reaches 1.5 bar. Hayle Member since 22 May 2018 Find the filling loop. Turn the valve next to the key until water flows through it. If it takes longer than this, you could have a leak in the system. If youre unsure about anything, its a good idea to call an engineer who can help you. At the heart of it all, it does the same job. 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. feedback. 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. {"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":"