There is no other way of pressuring the system without one. Boiler Filling Loop What is a filling loop & how to use it? This will start to increase the pressure gradually. 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. This can sometimes be found connected or close to the boiler and looks like a metal hose. and central heating system is very easy. What to do if you continually lose pressure? The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . This will be outlined in the boiler manual. All You Need To Know About Gas Safe Engineers, A Buyers Complete Guide to Immersion Heaters, The Homeowners Guide to Boiler Installations. You can then remove the filling key by turning it back to the open padlock position. There will be a small copper pipe between the two blue valves , these valves are quarter turn only . Use a spanner or wrench to turn the valve next to the filling key until you can hear water flowing through it. Boiler filling loops are used when you install and service a boiler or when you drain or bleed your system. This prevents the valve from being turned on accidentally. This article has been viewed 24,692 times. 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. 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. Our Purpose: We create living space for generations to come. Thanks to all authors for creating a page that has been read 24,692 times. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote. When your filling loop connects your boiler and mains there is always a chance for a backflow it doesnt matter whether your boiler filling loop is in on or off position. 146 Insert the filling key into the keyhole and unlock it. 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. They will know what to look for and will often have imaging equipment that allows them to detect hot water leaks through floorboards and insulation. Boiler Central Ltd acts as a credit broker (not as a lender) and offers credit via lenders. Close both valves once youve reached the desired pressure. Baxi Potterton. ATGAS. Because of the boiler filling loop regulations. Now open the tap on the left-hand side, and you should now be able to hear the water entering the system. Heres what to do if thats the case. My Plumbers. Find the filling loop. 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. Dry off the key and pop it back into the tray before putting the . If it's above 2 bars, you'll need to reduce the pressure. Stop filling immediately if you hear the pressure valve releasing water. Remove your external filling loop, put the cap back on the isolation valve, and everything should be back up to scratch. 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. Repressurise your boiler! If your boiler starts to lose pressure again, turn it off and contact a certified boiler repair person. 4. You can consult the manual for this part. One end will have a handle valve while the other end will have an isolation valve. How long does it take to re-pressurise a boiler? Unfortunately not, but it is always worth a try. 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). In any case, surely this issue can't be part of normal operation? Every type and model of boiler is slightly different so double check you know what to do. 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) It doesnt minimise the risk. 100% positive E119 Error low pressure. Some have one end attached while still being disconnected, while others remove it completely. 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. Take caution when undertaking this job as the water can be very hot. Once everything is secure and in position, turn the lever on the filling loop to let the water run through it into the boiler. 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. Locate the internal filling key What you are looking for is a small plastic covering that resembles a tray. Tel: 0330 123 933. No Deposit ONLINE QUOTE NOW. 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. 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. Double-check the position of your valves so that there are no issues. 1. A system boiler heats a hot water tank to give you hot water. 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. Keep your eyes on the pressure gauge until it reaches 1.5 bar. Click on the image to watch our video on 'How to repressurise your ecoTEC pro boiler'. Save my name, email, and website in this browser for the next time I comment. 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. If cancelled within 14 days, alternative payment of full outstanding balance must be made. Open the valves. Our finance provider will do a credit assessment of your circumstances when you apply. You should re-pressurise it when the pressure has dropped to below 1 bar. Thankfully, there are several ways you can repressurise a boiler yourself without calling a professional. 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. is this my filling loop to repressurise system? How do you Repressurise a boiler without a filling loop? The plastic part of the boiler is placed in the metal part of the boiler. However, internal filling loops can also break or get damaged so knowing whereabouts to go to replace them is always handy. Your boilers filling loop means that you can easily adjust your boiler pressure to get to the correct level for your boilers and your well-being. 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. 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 should be enough water to get your combi boiler back up to pressure again. . is a hose that can temporarily connect your boiler to your main water supply. How to repressurise/refill a combi boiler. You dont want to be left without hot water or heating. Before moving on from this, double-check that everything is in order and connected so that this operation can run smoothly. If this is the case, you can try to force the valve to open, perhaps using tools that can help shift it. A 14 day cooling off period applies to all applications. Yes, it is quite important that you install it correctly, with the filling loop valves being the right way around. 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. Just make sure the valve is firmly shut before firing the boiler. Oil/Gas Steel Shell and Cast Iron Sectional Boilers. Once it is in this position, you can close the valve of the filling loop to not allow anything else through it. As a general guide, follow these steps: 1. When you have the two ends properly connected, give it one final check, and you can now use your filling loop! Tighten the knob (clockwise) and turn the key to the open padlock position. This step may vary according to your boiler. Check your boiler pressure gauge to see if it is below the recommended level for your boiler model. Afterwards, make sure everything is correct and in place and this should be completed. If your boiler continues losing pressure and there is no leak, then there may be a fault with the boiler. So whether you have a combi or system boiler, despite the small changes, it is likely a similar way to access your filling loop. How do you Repressurise a boiler without a filling loop? If your combi boiler pressure drops below 1 bar you will need to increase the pressure. Even the types of valves may vary. Now, turn the boiler off at the mains to ensure no power is running through the system. 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 typically find internal filling loops in combi boilers. Now use each valve to let cold water get into the whole system. *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. First, switch off your boiler and give it sufficient time to cool. 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. 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. Locate the arrows of the key By re-pressurising your boiler, youre allowing more water to enter the system from the mains supply. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. Two things you dont want to happen if you want to reduce the likelihood of a costly repair job. For safety reasons, boilers will typically come with overpressure valves which vent to the atmosphere when the pressure gets too high. 4. Hayle Member since 22 May 2018 First of all identify what sort of filling system you have and then follow the instructions, or watch our technical trainer show you how its done. Watch the pressure gauge as you do this. If there is buildup in other fixtures you may need to flush out the boiler system. Copyright 2019 - www.plumbingforce.co.uk, - Contact Us - Blog - Coverage Areas - Vacancies - Terms -, London, East Anglia, North West, Midlands, South East, South West, Yorkshire, Wales, Many first time homeowners have never heard of filling loops until they start looking for ways to. Youll then be left with a cold house and no hot water, plus a boiler you need to learn how to troubleshoot. Some boiler systems will operate with a cylinder that is designed as a hot water storage tank. Low pressure will mean that your water wont run as effectively as it should, meaning that you will be paying your heating bills for a certain standard of running efficiency that you arent getting. 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. 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. 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 key until you can now use your filling loop not... 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