How to diagnose the problem of no water from a tap, or hot taps.
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- Опубликовано: 6 июн 2024
- When this happens it is not always an airlock. There are other things just as likely to cause the problem.
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Many thanks Al. 
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Really like the way you explain this, explains why, what and why.... sharing all of the years of experience.
Thank you.
Realise some comments are a year old but you’ve just helped me so much to fix a cold water tap with your step by step method of re threading - thank you
No problem Debbie.
Love your vids. Another simple thing to check I’ve found (usually in hard water areas) is the aerators. Over time these fill with scale and reduce or even stop the flow. Sometimes even on a newly fitted tap when a plumber has used paste on joints and used too much this has worked it’s way into the tap and aerator, or put a new valve in as the cheap slotted valves invariably fail. Same issue with dripping quarter turn taps, scale in the component. Love how informative your vids are, thank you
Thanks for the info!
55 year old single woman here, just done this tap fix with the help of this video -- thank you!
Glad it helped!
Excellent advice! Managed to get my bathroom hot water tap flowing again. The tap had shut itself down. Thank you so much!
You're welcome!
Thanks so much, I just fixed my own hot water tap using the second method on your video - you talk it through in a way anyone can understand and it has saved us vital money and stress; thank you so much. Love Moe's "interruption" too :)
Ha ha thanks a lot.
Brilliant Just saved our weekend away. Did the hand over the mixer tap and worked a treat. Thank you for saving us a lot of stress and money 👍🏼👍🏼👍🏼👍🏼
No problem.
Many thanks for your great video, managed to sort my cold water tap, just a trickle when turned on. Your step by step instructions are clear, not rushed, and the zoom in close ups very helpful. I had to go back to your video to check one or two things again. My main problem was getting the small screw out first, and didn't realize there was so much 'crud' in the body of the tap, this was a mixer kitchen tap bought just two and a half years ago, Thanks again, Andrew
No problem Andrew.
Thank you thank you! Cannot believe I’ve just fixed it after watching your video. I’ve had a plumber out previously who so called fixed it and it happened again shortly after. I’ve waited weeks because couldn’t afford it and then decided to look online. Many thanks! Anna
No problem Anna.
Thanks for all the videos through the year... cheers mate 👍👍
Glad you like them!
Google sent me here (and to a few of your other videos) after I woke up this morning to no hot water coming out of my kitchen sink faucet. It's one of those mixer types. After ruling out an air block (I have hot water everywhere else in the house), I was trying to figure out what else it could be. I figured I'd drop this here in case anyone else winds up here and needs more ideas. In my case it was a blockage in the faucet itself. I took a screwdriver and whacked the base of the faucet with the handle several times and suddenly had a small trickle of water. Continued whacking it until the flow returned to normal. Whatever was clogging it up, it's gone now. Percussive maintenance saves the day again!
Cheers.
Really useful. I managed the problem of no water coming from the hot water tap - a problem that had worried me for ages. All sorted within minutes following this video. Many thanks
Excellent!
Thanks a lot. I've usually just replaced that inner part in the tap. Glad to know that could fix. Keep it in mind for future jobs
No problem 👍
Excellent video, you just helped me out,
I had no cold water to the bath, I've got a tank in the loft, I tried all sorts before searching this video.
I tried the trick of putting my thumb over the mixer tap outlet and turning both taps on done that for about 5 seconds and after a couple of seconds of spluttering it was perfect again.
Thanks a lot👍
No problem Dave.
Thank you Sir. We had an issue whent he cold tap started to lose flow and eventually gave up after around 4-5 months of this happening, then after that a few more months dow the lice the hot tap gave up. I went out and bought new washers and after 3 weeks of battling wit getting the inner part out the tap (finally gave in and bought some proper spanners) as they were pretty old and stubborn.
I WD40'd them and a few hours later now joy. Found another video of a chap using a toilet roll to wrap around the tap and using two spanners...finally managed to get the inner valve out.
On inspection of the washers they actually were in good shape so was now puzzled...
Saw this video on the idea that the inner vale mechanism had move and was not tight and hey presto, both taps now have normal flow again!
Thank you for the advice on the idea of the valve loosening in the tap itself and effecting the water flow.
Happy noob plumber! :)
No problem pleased you sorted it.
Top video in times of desperation. 4 am I wanted to have a shower and go to work, the hot water tap and the kitchen taps not working 😣. Watched this video and matter is resolved. Thank you mate.
No problem.
Thanks Al. Great advice as always. 👍
You are very welcome, thanks Rod.
Thanks such a simple way to fix an airlock. Worked in seconds
You're welcome!
Thank you so much for this video, I just helped my friend sort out a problem using this technique! It was an airlock issue and I did exactly what you said with the hand covering the tap etc and like magic i couldn't believe it myself! Basically, if you ever experience an issue where cold water is running from one tap and hot water not coming out of the other tap this is the way!! It unlock all the airlock in the bathroom, bathroom sink once i did it with the kitchen tap. Thank you once again...by the way the problem my friend was having had to have her call out Southern Water (on the advice of the plumber that caused the airlock) and even the initial plumber that caused the issue didn't even know it was an airlock issue. I searched RUclips and came up on your video and thought, hang on this is exactly what the problem is, i popped round and did this, it litreally took 30 secs!
No problem 😊
Thank you. Your video helped me to fix the tap in just 20 minutes.
Excellent!
That was great! thanks solved my problem and no need for plumber
You're welcome!
Another great bit of advice as ever I would fit a new tap washer whilst its all stripped down.
Good idea.
Legend, just followed and worked a treat! When i turned the water back on the water was running brown for a bit, reckon that was because it got pulled up from the tank? running clear now so alls good. Thanks mate great vid
Glad it helped
Thank you! Cold water now coming through after using the fix for the airlock
No problem Camilla.
Thanks for the advice! I had no hot water coming out of my flick tap. I was thinking a cartridge issue until I saw your advice about the isolator tap. So I turned the flick mixer tap on.... opened up the isolator and closed it a few times which cleared the blockage! Husband usefulness/cleverness skills remained intact.
Excellent!
Always great advice top man
Appreciate it! Thanks James.
good video thankyou for posting be safe and happy new year to you
Happy new year!
After doing maintenance /fault finding at college i'll be using full bore butterfly service valves in future 😍😍😍😍 can't beat a full bore flow 🔧🔧🔧
That is true Paul.
Happy New Year Jan and the beautiful woman from the Netherlands Europe
Thanks.
Legend, that was easy, thanks 🙂
You're welcome 😊
Al!! Come to essex quickly my home bar tap is open and there's beer everywhere 🍺🍺🍺🍺 I'm drinking it as fast i can but another 16 kegs to go 🙃🙃🙃 happy new year to you and Jan and Mo 🐶🐶
Challenge accepted, jet plane ready to launch. Ha ha.
@@dereton33 wing commander montt you're clear to land at A12 eastbound essex 🚀🚀🚀
Thanks for your videos, it has helped me a great deal. I have a question....The inside of my kitchen tap, if you put your finger inside, you can feel a metal bit. It feels like a metal straw (but I know it's not a straw). I want to replace the Aerator but cannot because all Aerators now have a rounded top that goes inside the tap and I can't get it to thread properly because the metal straw type thing prevents me. I am not sure what that is. It does wiggle when I push it to the right and left, but I don't want take a chance and pull it out. Any ideas? Thanks
I would take a chance and pull it out does not seem like an aerator and you will not be able to fit a new one unless it is out.
Thanks 🙏
You’re welcome 😊
Very helpful but one question, you said that it should be regreased before reassembly; what sort of grease is that?
Just the very fine stuff.
Thanks - great video. Have no hot water coming from the kitchen mixer tap... Hot water everywhere else ok in the house. We do have Combi boiler... Any suggestions???
The tap is faulty, It may have unscrewed inside the body, if you have only one turn of the tap or less.
@@dereton33 actually - investigated to a bit of the pipe that froze when the temp went down to -6. Nothing wrong with the tap (it is GROHE mixer tap). Blowing hot air on the undersides of the kitchen counter using a small portable electric heater for a few hours sorted the issue.
Would some thread lock on the valve stem prevent it from working loose again?
Worth a try, but no, not normally.
Hi Al, the aerator has popped out of my kitchen monobolic tap. I tried unscrewing the nozzle to insert a new one. However, the nozzle is proving difficult to unscrew.
Any ideas plz as water is splattering all over. Cheers
Spray with some WD 40. Use grips on the spout protected with some old rag.
Cheers! 👍👍👍
Thanks for the visit
Can i just add in one little thing, i had problems with a new fancy kitchen tap my wife wanted. It started to slow down after a while and then just trickle, turned out to be the cheap flexi hose that was rusting in the inside.
Thanks for the info. Very helpful advice.
thought i had an airlock a while ago while at a customers , all it was .... was a tiny piece of polythene under the ceramic valve , tank fed water .. must of come out the tank ..id even had mains thought the window blowing it back ... oh and 5 times out of ten the screw that holds the tap top on has ceased . i twist the top and snap it off
Thanks for the info antony.
Quick question, if you had this on one tap that's about 30yrs old and likely to be the main problem (not airlock) how much would be a reasonable charge from a plumber.?
Might be worth that rather than buying tools etc.
About £30.00
@@dereton33 shame you don't live close!! I think the call out in this area is about £75+ !
Great video as usual, the problem I have is when I put the hot water tap on it gets warm to hot for about under a minute or so and then goes cold and that's upstairs and downstairs taps, would you know what this could be Please or do you have a video on this? And I have a combi boiler if that helps
If all hot water taps run hot, cold, hot, cold and you have a combi. Go and look at the combi ignition indicator whilst a hot outlet is running. If it's firing up, off, on, off. Blocked plate heat exchanger. They're not cheap but they can be resurrected with VERY strong acid and 4 new o rings. You'll have to get a GasSafe reg'd engineer to do this work. Oh, and get a magnetic filter fitted after having your heating system cleaned out. That is, if it is the plate heat exchanger at fault. That's no1 guess. Good luck!
PS. Forgot to mention. May not be just sludge. Might be scale. That's if you are in a hard water area. Combi's can be very temperamental, like petulant children.
@@loafersheffield Thanks very much for your help it's much appreciated mate! Yes I just checked what you said to look out for and it does look like the heat exchanger, is there no way I can replace or clean it out myself instead of calling a engineer?
@@bigt8699 You're welcome... However! Strictly speaking you shouldn't be even taking the cover off. Search: Blocked plate heat exchanger. There's loads of stuff on youtube. If you are absolutely certain that this is the definite fault, you could purchase the part yourself. Not cheap! The acid trick is not for the faint hearted but a cheaper alternative. Either way, gas, lecky and water don't mix and acid WILL cause serious damage to your eyes/skin as well as clearing haematite and scale. I know it's freezing and the lurgy means engineers are like rocking horse sh**, but more often than not £10-12 for a bottle of one shot and 4 new o rings is cheaper than a replacement part and it USUALLY does the trick. If the boiler has been serviced annually within the time span of the warrantee period you should still be able to get an engineer out within 48 hours.
Again. I cannot emphasise this strongly enough. If you could not diagnose the fault, you are not a plumber/gas/electrical engineer; I'd wrap up real warm, put the kettle on fer hot water and wait. Again, the acid does USUALLY work but if it's under warrantee and has been serviced annually, an engineer will probably just whap a replacement plate to plate in. Q is Why was it blocked int 1st place? Sludge, scale, lack of corrosion inhibitor, poor installation, no scale/sludge filter fitted??? If the answer is yes, yes, yes... I wouldn't get the bloe back who installed it to do the fix coz it aint been done reyt int 1st place!
Good luck M8!
Thanks for all the advice there Loafer, have a happy new year.
hi I've no water whatsoever coming out of ANY hot taps.. I've only got a big boiler you need to switch on ans wait a couple hours to heat up.. you any ideas? thank you.
An airlock. Check the roof tank ball valve is filling.
I have an airlock on the cold feed which has a pump. Always happens when my grandkids have a shower for too long and drain the tank. Both sink and bath are waterfall taps so very difficult to do the finger block the water. Any suggestions? Can't get anybody out for two weeks!!
Cut a 15 mm drain valve into the cold feed pipe to the basin tap pipework. Then connect a hose form your outside tap up onto the drain valve, secure with a jubilee clip, open the drain valve then get someone to open the garden tap and mains pressure will be pushed up the pipework clearing the airlock.
@@dereton33 I’ll go to plumbers tomorrow. 🤞
Hello! I have no water in the actually hot pipe, its a new combi boiler but the hot pipe is practally dry!! how do i get it to flow? Or register at the boiler that a tap is on?? Thanks in advance!
Check the boiler pressure is up at one and a half bars.
@@dereton33thanks for the reply. i can, but it doesnt do anything :(. is the hot line meant to be preasurised from a comi? i can take off the hot tap entirley and there is no pressure at all like the boiler isnt registering it. there is only 2 hot taps atm, and not lots of metres of pipe.
its like the boiler cant register the hot tap being turned on in order to pump?.. i cant get the boiler to say "hey the pipe is on, push!"??
Love your videos I've suddenly git no hit water I can get frame to ignite (xombi ) water truest to get hot thrn goes cold again. I'm thinking diverter valve . Cheap fix if so . I'm aware there's a dip thingy that can wear away . Any help us appreciated thanks
Best to renew the valve Kevin.
@@dereton33 d8verter ? Thank you
@dereton33 during my post and your reply I had a small leak I've now addressed it (was connected to the loop ) and not sure if it's simply the thermostat (old baxi therm on boiler ) kicks in then minute or so shuts off etc that normal ? I'll get that valve thank you
@@dereton33 did u mean the cartridge matey?
Hi, I have no hot water out of my kitchen tap, it trickled for a while if you just didn't turn the tap all the way then gave up the ghost. It is pretty old school tap and plumbing so imagine maybe a blockage in the service valve - how do you unblock these? Any help most appreciated!!
It will be the tap it has unscrewed the centre piece locking the washer down on the seat.
@@dereton33 Thank you so much! completely fixed it for only 60p (slight incident of losing the circlip somewhere on the kitchen floor!). Never done any plumbing before so helpful and saved me an expensive call out for a simple issue!
What if the cold water tap in the kitchen & bathroom is not working but the hot water taps are working?
Faulty taps.
Hello, I was away for 3 months. Came back and found that my hot water tap in the shower does not work. When you turn it on, cold water comes out a bit and then water stops. It only allows you to turn it on a bit, then it feels like its jammed. All other hot water taps in the house work fine. Cold water is fine too. What could it be? Thank you
The tap is faulty. The left hand thread inside has become loose and is restricting the amount of turns that you can turn the tap. I have a video called, no water from tap, that explains how to fix it.
@@dereton33 please can you provide a link to that video. Thank you
👍👍👍👍👍
Thanks PB.
What if it's not just one faucet, and all the hot taps in the house don't work? No water coming from them at all
You have an airlock.
Just listened to all the info on this video & about to try fix it from your advice Thanks!
No hot water coming out bathroom’s sink.
All other hot taps working, I’ve recently had a new shower pump fitted.
I had a shower then hot tap stop working.
I’ve got hot and cold water tanks.
The pipe feeding the tap could be frozen, but as it has warmed up now, if it is still not working, then you have a faulty tap.
@@dereton33 thanks for reply, it’s a mixer tap.
The cold water is coming out.
i have no hot water flow anywhere in the house.. cold water works with no problem..pls help
You have an airlock.
What kind off grease mate?.
The motor type for cars
@@dereton33 excellent video solved my hot tap problems
But why did it unscrew itself. I've greased it, but it still unscrews itself so no water!
Left hand thread, if it keeps doing it then it is time for new taps.
Started with the hot water on/off valve under the sink. No help. Started the dishwasher. No water, no help. Forgot to turn the hot water valve to the dishwasher on/off. Also, jiggled the hoses under the sink. Hallejuah, I have hot water.
Great.
I have a glowworm combi
Pressures says 3.2 bar
And no water at all flowing from hot tap 🤔
Lower the pressure to 1.5 bar.
@@dereton33 thanks is that why no water coming from hot tap at all