After turning your boiler off, wait a few hours so it can cool. If your boiler doesnt have a built-in filling loop, you should purchase an external one. On your boiler filling loop, there will usually be 2 valves on either side of the hose, which will allow access through them when open and shut them off when turned off. Dry off the key and pop it back into the tray before putting the . There is no other way of pressuring the system without one. Stop once it reaches the recommended level for your boiler. If you require further help to repressurise your boiler, call a qualified engineer to fix the problem. 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. 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. Remove it to locate the internal filling key. 100% positive 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. 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. Even a small leak can lead to a drop in pressure over enough time. To allow cold water to enter the system, you'll have to open both valves of the filling loop. Check the pressure gauge. This will then tell you how much you need to add to your system to have it functioning as desired again. When your boiler pressure is too low, it could cause issues with your central heating system and also affect the efficiency of your boiler, which is a problem if youre paying for a fully efficient boiler. Typically, you can find it on the front part of the appliance. Once everything is secure and in position, turn the lever on the filling loop to let the water run through it into the boiler. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. 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. How do you Repressurise a boiler without a filling loop? Turn the Filling Loop Handles. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. If youre unsure about anything, its a good idea to call an engineer who can help you. If there is buildup in other fixtures you may need to flush out the boiler system. Can anyone help me fix this while I wait for Ideal to send someone? jobs, I have an Ideal Logic+ S18 system boiler showing fault F1, which the manual says means "low pressure": the gauge is indeed at zero. Yes, it is quite important that you install it correctly, with the filling loop valves being the right way around. Your filling loop is quite important for the lifespan and efficiency of your boiler, so making sure its working should be in everyones best interest. The pressure in a central heating system will usually need to be topped up only once or twice a year. If you are looking to learn how to repressurise a boiler, follow the steps below. If valves are difficult to turn, spray with WD 40 and wait for a few minutes. Always begin the process of repressurising your boiler by checking your boiler manual. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. 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. A part of the external fitting loop connects to your main water line, and the other connects to your boiler. How to reduce your boiler pressure Switch off your boiler and wait for the heating system to cool. http://www.vaillant.co.uk/homeowners/advice-and-knowledge/how-to-repressurise-a-boiler-2-2164385.html. 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. 285 It can be found inside your boiler, and its purpose is to allow you to add additional water to the heating system. Plumbingforce can be your one-stop-shop! Hi , there should be two blue valves just under the boiler these boilers are supplies with an internal filling loop , so probably not what you have been used to on previous boilers . If your boiler starts to lose pressure again, turn it off and contact a certified boiler repair person. When it comes to the installation of your filling loop, it depends on what kind you have. 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. Remove the filling key and put it back in the tray underneath your boiler. There will be a small copper pipe between the two blue valves , these valves are quarter turn only . Tighten the knob (clockwise) and turn the key to the open padlock position. As you turn the handles, you should start to hear water flowing into the system. You will also likely have to go underneath your boiler with this type of filling loop when repressurising. You'll see the filling loop handles at a 90 angle to the pipe. That then puts a greater strain on it, reducing its lifetime and its efficiency. When it is in the off position and doesnt allow water through it, it will be perpendicular to the filling loop, creating a kind of t-shape. Call us to arrange your home visit today. Check the filling loop, making sure both ends are attached and secure. How often should you re-pressurise a combi boiler? Cookies In fact, it is one of the few things you can handle every couple of months. You should re-pressurise it when the pressure has dropped to below 1 bar. Over time its common to get a small leak on a valve or joint in the boiler. When they arent, you can easily buy it separately. 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. That is designed to prevent large buildups of pressure from causing ruptures inside the boiler, and the explosion that would likely come with it. 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. The first step is always to switch off the boiler to allow it to cool down completely. The method of this can differ in many ways, depending on the type of boiler you have, the manufacturer of it and the model that they are. The most common reasons for lack of pressure include a leak somewhere in the system or a damaged pressure relief valve. If it takes longer than this, you could have a leak in the system. Just Services Group Ltd is registered in England and Wales No10177302. A system boiler heats a hot water tank to give you hot water. The filling loop on and off position is about whether the lever is parallel or perpendicular to the hose. This will be outlined in the boiler manual. In fact, this is one of the main tasks of your boiler service! 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. 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? Locate the two white arrows on the key and turn them. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. Baxi Boiler. feedback. Our Purpose: We create living space for generations to come. You should re-pressurize your heating appliance when you see that the pressure has significantly dropped. 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. Your plumber or heating engineer should have that taken care of for you. However, it shouldnt be too difficult to identify. It is used to repressurise your boiler and top up the water when you drain or bleed your system. If it is not, water will continue to enter the boiler and drip down. Registered in England No. You should find a built-in You can check the pressure of your boiler by looking at the gauge on the front when your boiler is off and cool. Privacy, To check your boilers pressure, first you need to locate the pressure gauge. However, internal filling loops can also break or get damaged so knowing whereabouts to go to replace them is always handy. Because of the high degree of pressure in the system, you only need to have a very small hole to lose pressure gradually. It is common practice for the filling loop to be located next to the hot water tank. We've teamed up with Homebuilding & Renovating to show you how to solve it. Do You Have To Turn Boiler Off To Repressurise . Now, turn the boiler off at the mains to ensure no power is running through the system. 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). 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. 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. 4. You can easily find a filling loop in your local hardware stores. Finance options are offered subject to status and credit check which must be completed before commencement of works. 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. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. jobs, and central heating system is very easy. 4. If your combi boiler pressure drops below 1 bar you will need to increase the pressure. 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. You should see the gauge increase as you open the handle valve. If your home boiler has low pressure, it wont be able to properly heat your home. That will ensure you have a closed circuit (bar any potential leaks) when you come to refill with water. If you are having a tough time finding a filling loop, you can try to target plumbing and heating speciality stores. For the most part, you can tell by what type of boiler you have. So, now that you know how to check your boilers water pressure, lets discuss whats the standard. The volume of your system is fixed, so adding more water increases the pressure. Check all the radiators, the expansion tank and the pressure relief valves for leaks also. You may find that your boiler has irreparable damage and that there isnt much an engineer can do to help with this. New boilers in stock next day installation available! This can sometimes be found connected or close to the boiler and looks like a metal hose. For example, a combi boiler filling loop will be installed inside the boiler itself, but access to this will likely be at the underside of the boiler. If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. 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. Oil/Gas Steel Shell and Cast Iron Sectional Boilers. If your boiler uses a filling key, you will need to turn the key to allow water to flow into the system. If youve tried to re-pressurise the system once and it hasnt worked, dont keep trying it. Installing and using a filling loop is very DIY-friendly. The typical level to aim for is around 1 - 1.5 bar; any less and it is likely that your boiler will need to be repressurised. How often should boiler pressure drop? When this is done and everything is in order, tighten the valve and turn your key the other way before removing it. Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. 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. Watch the Pressure Gauge. Boiler Central Ltd is authorised and regulated by the Financial Conduct Authority (reference number 718973). Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. A boiler explosion is a catastrophic failure of a boiler. Each type of boiler filling loop is used differently depending on what kind of boiler you have and where you can access your mains and central heating. Even the types of valves may vary. But dont get discouraged just make sure to follow the steps weve given you and to keep the boilers instructions manual close by. Some brands and models might have a different placement. Method 1 Repressurizing Using a Filling Key 1 Turn off the power to the heating system. If it goes past the ideal range, just bleed your radiator and go back to step no. Afterwards, make sure everything is correct and in place and this should be completed. If the pressure is too low or keeps dropping. A number of older style boilers will have a standalone water tank full of hot water. If it lines up, then that is the filling loop on-position. If it lines up, then that is the filling loop on-position. A hydraulic pressure gauge will indicate the standard operating pressure with a green zone and the maximum safe operating pressures with a red zone. 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. It will always save you money in the long run. "}},{"@type":"Question","name":"Whats a boiler filling loop? The connections are close to one another, so most internal filling loops are shorter than external ones. 6. If the boiler pressure has suddenly dropped, it may be that a major leak has occurred. 2022 Vaillant Group, Nottingham Road, Belper, Derbyshire, United Kingdom, DE56 1JT. Locate the arrows of the key If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. The Vitodens family is our best selling range of gas condensing boilers. There isnt a specific timeframe that states when you should re-pressurise your combi boiler. Figures are based on fuel prices as of October 2022. Email: How Boiler Service helps Boiler Efficiency. Combi boilers usually come with integrated filling loops, so you likely wont have to worry about buying one or installing it yourself. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. When the tap is opened this will introduce cold water into the system and the gauge will start to rise (quarter turn). Unfortunately, it doesnt work like that. 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. Take caution when undertaking this job as the water can be very hot. 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