I do exactly that, and have for many years, but now I turn the left valve on and there is silence. I cant hear any water coming in. Ive checked the mains pressure at it is at 3.8 bar. The left valve does work and give water (i checked that the metal filling pipe gets pressuried. Any ideas what might be wrong?
@dpjplumbing
5 ай бұрын
Not sure. I know on some boilers sometimes the valve will seize up and the plastic lever will just twist out of shape. I'm not sure on these type if it is the case. From memory I think they can come in plastic and metal. Try using a small screw driver to remove the plastic lever and use a spanner/grips on the brass part of the valve
@donnajones2468
8 ай бұрын
Watching your video whilst water piddles out the bottom of my boiler with nobody working between Xmas and new year and no hot water or heating. Chuffing freezing!
@dpjplumbing
8 ай бұрын
Sorry to hear that Donna, not much I can do to help with that. Hope you get it sorted quickly!
@donnajones2468
8 ай бұрын
@@dpjplumbing thank you. Need something to cheer it up to stop it crying 🤣.
@dpjplumbing
8 ай бұрын
@@donnajones2468 lol!
@user-ns9fj7rh7e
6 ай бұрын
Hello, thanks for this video, if I have 3,2 bar Flashing screen it’s a problem? I must have abruptly unscrewed two valves 😮
@dpjplumbing
6 ай бұрын
I've had common issues with these boilers/filling loops passing. They slowly fill the heating system causing the pressure to rise over 3 bar. If I suspect that is the case, I undo the filling loop and if it continuously drips then that is usually the cause. Only way to stop it is to replace the filling valves but they are part of the inlet valves of the boiler.
@javadrahmannezhad9908
7 ай бұрын
Saved my life😊Cheers👏👏
@sgb64
8 ай бұрын
Thanks! So helpful! You saved me!
@dpjplumbing
8 ай бұрын
Thanks for leaving a comment, it's much appreciated. Have a merry Christmas and happy New year Dan, DPJ Plumbing Heating and Gas
@oliverboo421
11 ай бұрын
Helped me out fella!
@AyeWitness
Ай бұрын
Hi Dan just a quick question ❓ is it a veey bad sign to have the pressure fall to 0.2 bar ? Doew it mean my valves are cappoot? Thanks again 👍
@dpjplumbing
Ай бұрын
Hi, From what you are saying, it sounds like you have a leak somewhere. As long as the valves let you fill it up then there shouldn't be an issue with the valves. If you are getting pressure in the system but the digital display does not increase. It could be a faulty pressure gauge.....these are a common issue on these boilers. I would need to see it myself to diagnose that issue. Thanks, Dan
@PatriaJorda
6 ай бұрын
hello . i have f22 and i only one yellow valve seen below. it is similar to the yellow valve seen in your video.
@dpjplumbing
6 ай бұрын
It's possible you have a different type of filling loop, possibly the braided hose type. But without seeing it myself, it is difficult to confirm that
@janetnicholson5001
9 ай бұрын
Thanks! Very easy to understand.
@dpjplumbing
9 ай бұрын
Thanks for the comment, I'm happy it helped you out 👍
@Rowan126
Жыл бұрын
Thanks for this video, managed to re-pressurize my boiler with your content
@dpjplumbing
Жыл бұрын
Thanks for the comment Rowan, I'm glad it helped you out 👍
@rzgr2487
7 ай бұрын
Hi,I have Glow warm Flexicom 18 sx,from this night it's not turning off ,and I switched off, when I switched on it's start to heat even if it's on off mode,what problem could be?Thank you in advance.
@Laury777
9 ай бұрын
Thank you!
@dpjplumbing
9 ай бұрын
Thanks for the comment, glad it helped you out 👍
@kevincurley5065
11 ай бұрын
When I open the 2nd tap it doesn't pressurise. There def water goin to ot but no noise of flow like in you're video
@dpjplumbing
7 ай бұрын
Apologies, only just seen this comment. Did you get it sorted in the end?
@kevincurley5065
7 ай бұрын
I haven't. System is still working at 0.7bar but if like to set it to 1... Strange when that valve on the left hand side is opened there is no flow??
@dpjplumbing
7 ай бұрын
@@kevincurley5065 it does sound strange. There's a few things that could be happening but without seeing it in person it's hard to diagnose. If the pressure does rise when opened then I would assume it work as it should. The sound of the water flowing doesn't always happen, flow rate and water pressure can make the noise happen or not. If it's not pressurising at all, you could have a faulty valve or tap but again, I would need to see/test it to confirm. I know I've replaced a fair few of the glowworm valves due to them failing and passing water, don't think I've changed any for not opening up. Cheers
@nikosmeletopoulos3272
11 ай бұрын
thanks mate ❤️❤️❤️
@charliewiltshire6084
10 ай бұрын
Hi DPJ plumbing really helpful video, I have a question about the filling loop. My loop is letting by causing the system to gain pressure but I am having trouble finding any correct capping nut to remove the filling loop to stop it leaking into the system. Any idea if there are any specific products out there?
@dpjplumbing
10 ай бұрын
Hi, I've found it's a common problem with these filling loops that they end up both passing and slowly causing the pressure to rise above 3bar. You then get the symptom of water dripping out the overflow pipe. I haven't found a blank that fits onto the filling loop threads myself. The local merchants don't have anything that fits and I've not got anything in my odd bits box either. I end up changing both the cold inlet and heating valve, so that my customers can easily fill the system without having to reconnect the filling loop every time it needs topping up. Apologies I can't help you any further. You will most likely be able to get a blank but it might be some trial and error. Cheers, Dan DPJ Plumbing Heating and Gas
@sobiahanif7462
7 ай бұрын
hi wondering if you could help i have code f14 on this same boiler have been resetting often now the reset button doesn’t not work as it has fell out and my screen is showing nothing what can i do to fix this
@dpjplumbing
7 ай бұрын
Hi, There are a few things an f14 error code could be. One of those things is some sort of blockage, stopping the flow of the heating system. Possibly a faulty boiler component. I'd advise getting a gas safe engineer to take a look. Hope you get it sorted quickly!
@alanb193
10 ай бұрын
Brilliant cheers 👍👍
@dpjplumbing
10 ай бұрын
Thanks for the comment, glad it helped you out 👍
@alanb193
10 ай бұрын
@@dpjplumbing Strange thing was I tried this yesterday Before I’d seen your Video and noway could I get the tap on the Right to move “it was Solid!
@je6874
9 ай бұрын
What’s the difference between this and the flexicom 18sx model? Regarding locating the valves. Thanks for the video.
@dpjplumbing
9 ай бұрын
I think the sx model is a system boiler, whereas this is a combi boiler. The main difference is that a system boiler heats a cylinder of hot water. A combi heats hot water up inside the boiler. So the sx wouldn't need a cold water supply or a hot water outlet. This means, usually the filling loop is located externally. Hope that helps. Cheers, Dan DPJ Plumbing Heating and Gas
@je6874
9 ай бұрын
@@dpjplumbing Thank you for your quick reply, much appreciated! By externally, I assume this can mean in a different location to the boiler itself?
@dpjplumbing
9 ай бұрын
@@je6874 yes. What I meant by externally is not part of the boiler. It's usually a chrome braided hose with one or two isolation valves (this is the most common method but I've seen lots of weird and wonderful plumbing bodges) Most commonly it'll be below the boiler or where the cylinder is. But again, I've seen them put in the back of cupboards that noone even knew about. Hope that helps.
@user-gu7kv2zh1c
7 ай бұрын
Hi, the pressure display does not come up on boiler i tried everything no pressure is showing had to tread a gauge into top of rad to get reading also.. exact same boiler
@dpjplumbing
7 ай бұрын
Could be the pressure sensor not picking up the pressure any more. Difficult for me to give you a proper answer without seeing it and testing it myself
@user-gu7kv2zh1c
7 ай бұрын
Thanks so much for the reply I was thinking the same myself something has to be amiss.. another issue with boiler is it rises to temperature very fast now i have drained and flushed the system changed all the rad valves. Iv noticed if you have maybe 3 or 4 rads of the 9 that are in the house on and others off. They heat away fine but if all on they struggle to heat. And even with just the 3 or 4 rads on the boiler still rises very fast cuts in and out.. would you be thinking the pump? Only issue, its an internal pump and i am not gas registered to be interfering with boiler...thanks
@dpjplumbing
7 ай бұрын
@@user-gu7kv2zh1c it's difficult to give you a straight answer without seeing the boiler and heating system myself. It could be the pump or another blockage of some sort. To change parts inside a boiler you should be Gas Safe Registered as removing the case, removes the seal to the boiler. There could be issues with the boiler only a Gas Safe Engineer would recognise and test for. These issues could potentially be life threatening.
@jed7200
9 ай бұрын
Had to bleed my system to replace the filling loop due to pressure nonstop increasing. Refilled, bled rads etc. Now the opposite problem, losing pressure everyday and copper pipe outside throwing water out. Can draining system depressurise expansion vessle? This was only checked last month and was fine :/
@dpjplumbing
9 ай бұрын
Sounds like your pressure relief valve is throwing water out. If it's leaking even when system hasn't been on then I would guess that the Pressure Relief Valve has gone faulty and continuously passing. This would need replacing. But without seeing it myself, I couldn't say for sure. Just going off what you're saying. As a few things can cause the PRV to activate. I know from experience that glowworm pressure vessels tend to go faulty /spilt but the symptom for this is that the PRV would activate when the heating system is really hot and the pressure has built up (3bar+). Then when the heating system goes cold and contracts the pressure would drop to zero. Hope that helps.
@dpjplumbing
9 ай бұрын
Sometimes if you've got a lot of air in the system, that can act as a pressure vessel. When you bleed it and remove the air it can cause pressure issues if the expansion vessel is faulty.
@jed7200
9 ай бұрын
@@dpjplumbing thanks so much for your reply. How strange no water was being thrown out before when pressure was increasing, ill get the expansion vessel checked and inflated, maybe for the cost of a pressure relief valve it may be worth replacing! Thanks mate
@dpjplumbing
9 ай бұрын
@@jed7200 because of how the PRV works, once they release, sometimes muck and debris can get into the seal. This will stop the PRV seal sitting correctly, which allows water to pass. Sometimes when they start leaking, the only option is to replace. I know usually with glowworm and vaillant (same parts) if the expansion vessel fails and PRV activates, I always replace the PRV as it's only £20ish and I've already got the boiler drained for the expansion vessel. This is because I've done a few where I've replaced the vessel and the PRV just continues to leak, even when cleaned.
@jed7200
9 ай бұрын
@@dpjplumbing i think this is definitely on the money. Thanks so much! I did initially look to replace vessel but plumber who came to do it found the valve was just leaking air so he replaced the valve and repressurised. However, after 3 visits he was still unable to diagnose why my boiler was going up 0.1bar every day. I detahced filling loop, low and behold water dripping from inlet valve. I replaced water inlet valve for filling loop myself, no more dripping and valve now isolates. Makes sense as the system had a good flush that that X800 stuff as that was his second visit idea that sludge was cause of the increasing pressure! Oh well, hopefully it’s swapping out the PRV, ill order a PRV, shame you are not closer to me!!
@albert.d0
7 ай бұрын
I have f 22,can anyone help? Please
@dpjplumbing
7 ай бұрын
If it's f22 and you've topped up the pressure but still shows low pressure, it's either the pressure sensor has stopped working (very common on these) or youve got a leak. You'd need a gas safe engineer to change the pressure sensor
@demihowey-drnk-3307
10 ай бұрын
Mine comes up f9 and when I try this method no numbers come up and no noise is made
@dpjplumbing
10 ай бұрын
Some Glowworm boilers use an internal digital pressure sensor to detect the system pressure. These pressure sensors suffer from getting blocked with debris and stop working. If it's stopped working because of debris/faulty sensor it will need replacing. Usually I identify this issue when I top the pressure up and the boiler does not sense it. It could be something else causing this issue, our advice is to get a Boiler Repair Engineer to correctly diagnose the fault and repair it. Hope that helps explain what might be happening. Cheers, Dan DPJ Plumbing Heating and Gas
@dpjplumbing
10 ай бұрын
Or there could be something wrong with the filling loop or the way you're filling it up. But I was assuming you're doing everything the video is showing you
@daviddent2641
10 ай бұрын
Same.
@dpjplumbing
10 ай бұрын
@@daviddent2641 if you've managed to pressurise the system but the boiler continues to show F9, which is a low pressure fault, it could possibly be because the pressure sensor is faulty. I can't diagnose issues like this via messages. I'd need to inspect the boiler myself to ensure all the basics are right. But I've had to replace a fair few pressure sensors in glowworm and vaillant boilers as they get clogged up with debris and no longer read the system pressure correctly
@crystal4628
4 ай бұрын
Nope didn't help. My boiler pressure keeps dropping going back to 00.
@dpjplumbing
4 ай бұрын
Does it drop straight away? Or after the heating has been used?
@crystal4628
4 ай бұрын
@@dpjplumbing yeah it does actually drop straight away
@crystal4628
4 ай бұрын
My hot water is on for like a few minutes then it goes back to 00 where I no longer have hot water and I have to keep pressuring it up.
@dpjplumbing
4 ай бұрын
@@crystal4628 you've got a leak somewhere on your system by the sounds of it, as it's losing pressure that fast. Could be something to do with the boiler or it could be something to do with your heating system. Without seeing it myself, I can't tell you want it is
@crystal4628
4 ай бұрын
@@dpjplumbing There is no leak causing the pressure fluctuations in my boiler.
@mzjamaicamee9998
10 ай бұрын
Theres no water coming from my hot tap
@dpjplumbing
10 ай бұрын
You may have turned off the isolation valve under the boiler for the cold/hot water. This would turn off the hot water to the whole of your house
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