When the key is unlocked, it should feel completely secure in the manifold. Turn the valve next to the key until water flows through it. The pressure in a central heating system will usually need to be topped up only once or twice a year. What you are looking for is something in the middle and that is 1.5 bars. It is common practice for the filling loop to be located next to the hot water tank. 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. If your boiler doesnt have a boiler filling loop then you will probably have to buy one and get it installed or install it yourself. Can a boiler explode? The boiler filling loop is a small braided hose with a valve attached. Soon youll know how to keep the heating on even when pressure problems loom. Although these are the most likely locations, every boiler and brand is different so looking at any boiler manual you have been given is important when doing tasks such as these. Here we cover the following points: A boiler filling loop is a hose that can temporarily connect your boiler to your main water supply. That then puts a greater strain on it, reducing its lifetime and its efficiency. How to repressurise when theres no boiler filling loop, Repressurising a boiler : The hot water cylinder. Cookies We've teamed up with Homebuilding & Renovating to show you how to solve it. Stop filling immediately if you hear the pressure valve releasing water. feedback. Theres clearly a problem and its best to get an engineer to have a look at whats going on. The Vitodens family is our best selling range of gas condensing boilers. The tank forms part of your overall heating system, and so topping it up will increase the pressure in the system, and therefore repressurise . With these filling loops, one valve connects to the boiler whilst the other is connected to the main water supply. Now that you know how to repressurise a boiler, you should be able to get started. The filling loop shouldnt be fitted there, but there are instances where they are installed on the cylinder. Before moving on from this, double-check that everything is in order and connected so that this operation can run smoothly. Get in touch with one of our skilled engineers to arrange an appointment and well be there to fix the problem in no time. Savings will vary depending on the size and thermal performance of your home. Once youre ready, you can use the following steps to complete the process: There are two types of filling loop: external and built-in. You are looking for a braided hose with a small fill valve on it."}}]}. "}},{"@type":"Question","name":"Does repressuring the boiler always work? Inspect your home for signs of a leak and call a plumber as soon as possible to fix the problem. Typically, you can find it on the front part of the appliance. 6. The system needs to be completely cool. Locate the arrows of the key You should keep an eye on the pressure over the following days and weeks to make sure the pressure doesnt drop again. You dont want to be left without hot water or heating. Turn the manifold nut and the manifold key back to the locked position. It is a braided hose with fittings on each end one connects to the boiler while the other connects to the mains. And If you see a number higher than 2.5, then your pressure is too high. 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. An external one will need to be attached by you, so you should attach it during Step 2 and then remove it before turning the boiler back on in Step 6. 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. Why is My Baxi Boiler Not Firing Up? Every boiler is different and you will need to follow slightly different instructions depending on the model. Step 6 - Remove the filling key. When your pressure gauge shows a number lower than 1. . And since the whole neighbourhood draws their water from the same source, this can lead to very serious and very expensive problems. Identify and check the boiler pressure gauge. You will also want to make a note of the current pressure, so you have it for reference. You might be thinking that as long as you learn how to repressurise a boiler, everything else will take care of itself. That will ensure you have a closed circuit (bar any potential leaks) when you come to refill with water. How do you Repressurise a boiler without a filling loop? If your pressure reads at less than 1 bar, its possible that you have lost water from the system via a leak. Depending on the age and type of boiler, you may be able to repressurise it yourself by using the filling key to add water or by opening the water filling valves. {"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":"