How to fix a flush pipe leaking on the back of the WC pan.
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- เผยแพร่เมื่อ 6 ก.ย. 2024
- How to fix a flush pipe leaking on the back of the WC pan. A fairly easy job, no plumber requires, Al shows how to easily do this job yourself Need parts ? Visit Al`s plumbing shop .www.amazon.co.u...
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Really great teacher, never done any plumbing before but now fixed my leaking loo. Thank you for explaining it so easily x
No problem.
Thank you.I was going to call a plumber out but your clear instructions mean I can do it myself.
No problem Chris.
Yeay for DIY.
Immerse the flush pipe cone in hot water before fitting it ,the cone will mould itself to the pan inlet helping to avoid leaks
Thanks for the tip John.
Literally just solved my 4 year long issue for me! I could not figure out the name of the plug thingy! Thank you so much!
You're welcome!!
Thank you. Couldn’t get the flush pipe into the back of the toilet. Didn’t realise that rubber bung came out of the back of the toilet until I saw your video. Worked perfectly. Thank you.
No problem 👍
Thanks for this. Panic stations today after pipe leaking quite badly. Very manky and loose back there, but dismantled the pipe, cleaned and dried pipe and joints thoroughly and it went back good as new.
Bone dry.
Cheers fella!
No problem Mark.
What a great, calm bloke. Thank you sir, just fixed mine exactly as per your video instructions. 👍
Glad it helped
Al , that's a job I be doing in the morning, you put top class instructions there, keep up the good work on the videos.
Thanks DIY man.
Thanks Dereton33. Am here in zimbabwe and doing some renovations and thought I can do some plumbing myself and save money instead of hiring plumbers. This has definitely helped me to tear down my old system and rebuild it. Thansk
Glad to help
Great description thanks. This is exactly my problem. The pipe to pan is enclosed in MDF so is really hard to get at.
Glad it helped
So very thankfull for making this video fixed our problem no more leaks you made a family very happy and saved them a lot of money.
No problem.
Ah, because it seems slightly too long where it goes into the cistern, I was very careful to keep it the same way round and it had the same fault when I got there which is why I was trying to fix it, I wonder if it’s just been replaced the wrong way round at some point.
Thank you very much for the very fast reply, I’ll have another look tomorrow!
Good luck with it 👍
@@dereton33 Thank you so much for the swift replies!
I managed to get my head between the wall and the toilet, it's a very narrow space, and could see the horizontal arm of the flush pipe was in at an angle on the vertical and this was pulling at the pan cone so it wasn't sitting flush against the back of the pan. It had been the same when I first found the old one but when I was looking at it from the front it looked fine. You could only see it from the side if you were really looking for it.
So I undid it all, put some more Plumber's Mait in the flanges and reassembled, this time not pushing the vertical pipe quite so far into the cistern nut. Obviously being careful it didn't leak there too. The Last flange of the pan cone now sits flush agains the back of the pan so this time I hope the job's a good un!
Thank you, I owe you a drink!
Thank you, needed a reminder as to the bits order and function. Two years after fitting a new flush the cone leaked.
Great.
Brilliant!
Clear and concise!
By the way I’ll have to Google ‘Plumber’s Mate’ I’m guessing it’s a sort of silicone sealant?
I have some very thick silicone grease that might be worth a go too
Thanks! ☺️👍
No problem 😊
I have a RAK back to wall toilet pan that slowly weeps out of the cone. I have disconnected from the cistern and the flush pipe is always full of water as the toilet pan has a large inlet ridge and a well. Is this normal? Should the pipe be allowed to drain the flush pipe.?. I have changed the cone for 4 different types and it still slowly weeps.
With some pan types that is the case, do try some plumbers mait packed inside the cone, make sure the cone and flush pipe are dry, before using it.
brilliantly explained, you have a lovely voice, thank you so much!
You're very welcome!
very helpful thank you you are very friendly and make even the bigger plumbing jobs you've video'd feel accomplishable.
Thanks Maria.
I followed the exact steps and fixed it. Thanks a lot!
You're welcome!
Thank you for your video, was very helpful when I found I had a leak in my downstairs concealed toilet. Identified it was coming from the flush cone and now know how to fix it myself and save money. Subscribed too
Glad it helped
@@dereton33 I replaced the cone with a new black rubber one and changed the pipe making it longer. The cone is in tight but I'm still getting a leak. You mention using plumbers mait, would that be to pack around the outside of the cone or to pack around the fins of the cone before plugging it into hole ?
Pack around the fins. Do make sure everything is dry first.
@@dereton33 Thanks, that's what I thought. I'm wondering if the hole isn't perfectly round and has been poorly formed resulting in gaps when the cone is inserted. Really appreciate the advice :-)
At 2:16mins in you say make it nice and flat;
You could’ve said nice and flush! 😉🚽😅
Great video thank you
Thanks! 😃ha ha
Perfect thanks mate. Exactly what I needed to know. Job done in 5 mins. Much appreciated.
No problem 👍
Thank you for this helpful video. Off to Bunnings to buy a new cone today.
Have fun!
Immerse the flush pipe cone in hot water before sliding it onto the flush pipe and back into inlet of pan,much easier
Thanks for the info John.
This video come like a god send today!
No problem.
My problem is a leak from the top washer which is rounded at the top cistern side and flat underneath facing the WC pan. I tried a round O-ring replacement but it still leaks. Any suggestions - will silicone make a watertight fit if I re-use the original "dual-shaped" washer ?
Yes use some silicone on the original washer.
Mine is leaking from the thin plastic nut attached to the cistern. Hopefully tightening that up will fix it?
Usually does.
Thank you. Useful, and explained straightforwardly.
You're welcome!
Hi there.
Thank you so much for this, I have exactly this problem.
So I bought a new pan cone, scraped out the scale as best I could without being able to really see it, and reassembled.
Worked perfectly for two days then started to weep when flushed.
Took it apart and put Plumber's Mait in, mostly round the narrow end that goes into the toilet though some in the flanges as I was worried I would be able to get it in again if I used too much between them.
Worked perfectly for two days…. and now it’s weeping again when flushed.
Any ideas what I’m doing wrong?
Also, would the 90 degree angle pipe be prone to this if it was too long on the vertical which it looks like it might be?
Or I just not using enough Mait?
Cheers and thanks for your marvellous videos!
It could be that the flush pipe is too short going into the back of the pan and as you flush it gradually it pulls out loose.
Nice simple fix, Del.
You bet
Congrats, best go to on you tube, always sound advice, how tight should you squeeze the two connections at the top of the flush pipe, i see you tightened the lower one by hand!
The top one with grips the bottom one by hand.
You are a life saver, what a lovely presentation, really appreciated xx
No problem Rebecca.
Good afternoon came across your video and its a life saver i seem to have a droplet of water from the top of the cistern connection iv tightend it throughly should i get some plumbing tape? Any advice would be much appreciated
Yes get some PTFE tape and wrap it around the washer then do the nut back up.
Will i need to drain the sistern tank? Fitted a dudley turbo 88 last week but need to add a washer to the pipe going to the pan as well as a new rubber end (pan end).
No need to drain the tank.
You picked a modern example, how about the old thinne metal pipe r type, right under the flush cistern? Not so easy?
Have fitted one of those in a long time. So do not have one to show.
Excellent video thanks
Very welcome
Just what I needed! Going to try this today...
Have fun!
I found those plastic connector that rubbish from wickes and bq the best on a rubber from plumber merchant they seal and fit better no silicone or plumber mate required thanks al for sharing this video.
I agree the rubber ones are best.
Al, great straight forward videos as usual. We have exactly that - that its leaking from the rubber cone. 2 questions for you. 1. Do i need to replace the rubber cone? 2. Do i need to empty the cold water cistern of water before I pull the pipe out?
Best fit a new cone. You do not need to empty the cistern to fit it.
@@dereton33 Much appreciated
Thank you, hoping to tackle this job today
Best of luck!
A plumber fitted a new toilet in my bathroom 2 weeks ago with a plastic flush cone same as the one in this video and it was leaking, I changed the flush cone for a rubber one, used plumbers mait etc and its still leaking. Its leaking between the pipe and the flush cone (rather than between the flush cone and the pan). Any ideas? Should I just cover it in silicone? Thanks Al, great videos 👍
Sounds like a loose fit so yes silicone it.
Can I use some silicone sealant instead of plumbers mate? The back pressure from the flush is forcing the pipe out the back of my toilet
Yes sure.
What type of washer do you have around the flush pipe? I just don't want to buy the wrong one and have to walk two miles to go and get one. Also do you have a washer at all inside the screw cap? If so what's that called/dimensions...thanks.
The bottom of the pipe that goes into the pan is a standard rubber or plastic pan cone. The flush nut washer is a rubber syphon seal washer for a flush pipe inch and a half.
Thank you for your video which has been found very useful to me. Greetings from Poland. Bart :)
Fantastic video - ta!
Thank you! Cheers!
I can only get external rubber ones but I was wondering if they need any sort of sealant or do they just fit on as easily? Just so I know whether to buy any sealant when I pick up the cone seal. Thanks so much for this video as I'd never had to replace one before and didn't know if it would be as easy.
No mastic needed just push onto place. Some greese helps insert it.
@@dereton33 Thanks :)
Thank you! This video is very very helpful for me!
No problem.
I felt confident about fixing my leaking toilet after watching your video. But when I went to see about buying a connector for the flush pipe I can see there are internal and external ones. It looks like the one you use is an external. Will this work on most toilets or will I have to check my toilet first?
The external one is the most common one.
What if you’ve replaced the rubber seal and you still have a leak , I actually replaced both the top and bottom gaskets and it started leaking worse than ever , this has been an ongoing thing I read somewhere the pipe might be too short so I replaced that , the top gasket was leaking so I tightened it down now I just shredded the cheap bleeping thing , any ideas are welcome I’m about to smash this thing to pieces
Plumbing is such fun. The flush pipe being cut short is usually what causes the problems, however if you still get a weep some plumbers mait around the bung before you push it in usually works. You will have to replace the flush pipe nut if you have crossed threaded it.
Thanks for that video. I feel like a plumber now.
No problem.
How far into the pan do you push the pipe through the flush cone?
At least an inch.
How come the water doesn't go one out of the cistern when you take the pipe out.?
The syphon inside prevents it.
I have a similar pipe except it a longer pipe at the bottom with the bottom donut that worn out and leaking there and the o ring is gone at the part that screwed in only thing that annoying me is my sister's toilet cistern is off centre to the right meaning the pipe sitting at an angle and it weeping water out of the part that screws in I had to put temporary sealant to that area to buy some time till I get the replacement seals. Is there a specific name for them as I can do the work for her on the cheap
The pan joint is just called a bung. The cistern rubber seals are called just that.
@@dereton33 Yeah got the correct bung no problem there but the rubber seal I got from a local hardware store is abit bigger as the screw won't go in with the new seal. Looks like the cistern needs to be moved to the center of the pan as it like an inch off to the right. Or just use plumber tape or some sort of rubber tube that slip on to the pipe as no matter how tight the screw cap goes it still weeps water through. As I might have to modify the pipe as it somewhat too long going into the syphon as I had to adjust the pipe few times to get the bung to fit in correctly. Just wished that it should be straightforward in my sister's house
How do I know if this is my problem or its the seat washer I have a leak from the top part of the pipe
That is the flush pipe o ring.
THANKS!
No problem
AL I have a low level concealed cistern flush pipe I need replacing as it’s short and won’t go into the back of the toilet. I’m planning to replace it . Can you confirm I don’t need to shut the water off . Thanks
No need to turn off the water .
Thank you for the great video. God bless you
Thank you! You too!
I am a young lady of 75, still doing stuff around the house, my strength is the problem. I even tried to hammer the rubber in. It won't budge.
Try a bit of liquid soap on it first, or washing up liquid.
@@dereton33 thanks, i just did not have the strength, i did use vaseline but still no go, anyway some one fid come and give it a few hard pushes. It's well sewled now. God bless for the advise
@@dereton33 can you please do some plumbing mishap videos?
PLEASE my friend?
I am FASCINATED with plumbing & here is what I want you to upload.
1) Flushing a low-level toilet with the flush pipe taken away, with AND without a toilet pan PRESENT.
2) Dismantling a sink tap without turning the water off so that I can see a fountain as the water possibly hits the ceiling.
Dereton33 PLEASE can you do this for me?
PLEASE?
Al- thanks so much for this! A quick question tho, I took my flush pipe out and it had loads of degraded sealant around it and at the top end was a perfectly fine plastic washer (of sorts) which was where my leak was. Have cleared out the sealant and re-aligned which seems fine, but should I put some plumbers mate up there anyway? Would you suggest where? Like around the screw cap or inside?
I would put it just around the top of the washer, it does help.
Good job. Really helpful 👍
No problem.
Dereton, I cant seem to get the flush pipe out of the cistern end or the bowl end, it juts wont come out despite the flush cone squeezing out of the bowl and the cistern plastic nut being totally unscrewed. This is a big problem and I could cut the pipe but as its leaking at the flush cone end, I probably just need a new cone rather than renewing the whole pipe. any ideas what Im doing wrong? Surely the pipe cant be that long on both ends
Some times they are left long and the pan pushed in meaning there is no play to pull the pipe out, you will have to cut it out . A new pipe is easy to fit and cheap.
Great Thank you very much.
You are welcome!
Excellent ! Massive thanx for this !
No worries!
Thank u... Your video helped me to solve my issue...
No problem renjith er.
hi. Love your videos (I've used your tap repair ones about a million times). Weve got a different kind of seal on the toilet at work it's more like a rubber external one than an internal one of the makes sense. It goes over the back of the toilet bowl. Anyway that's leaking. Any ideas? Can you just swap that kind for this kind of seal?
It is called a rubber flush pipe cone , just swap it out.
@@dereton33 thankyou. You're a star. I've learned more from you than anywhere else
I tried to put a new flush pipe cone on it says 50mm on the rubber and yet it wont fit around my pipe or over my toilet pan (the kind that goes over and looks a bit like a plunger)
If you have one of the newer back to wall type cisterns they are bigger.
nice one, another job sorted in our house, thanks
+Jon Martin (zeb74) . No problem.
Saves me again!!! Many Thanks
No problem!
Exactly what I needed. Thanks!
You're welcome!
You are a legend. Thank you!
You're welcome!
I had a doubt. My flush pipe is attached to the pot with cement at the bottom. Now, The water's been leaking for quite some time as there's a small gap(1cm) between the flush pipe and the pot. So there's my flush pipe with cement and then there's my pot at 1cm distance. The water does not ooze out from the entire gap but from some part of it. I'm not sure how to fix it? I was wondering if I could use white cement to just attach it to the pot to stop leakage. Is there any other way?
Yes try some mastic sealant.
Hi Al, I had to replace the fush system in my toilet however the new outlet pipe is 38mm and the old one was 42mm. This fits perfectly on the toilet but it is leaking at the bowl side are there any U pipes that drop from 42 to 38mm?
Yes you can get them from any plumbers shop.
@@dereton33 they didn't have any that drop down from 42 to 38mm..wil fitting a a 38mm into the bowl matter if the grommet fits tight the previous pipe had a larger diameter
The the clear like water thing doesn't want to go all in is the a problem on mine
Not sure what you are referring to.
nice one bro
Thanks 🔥
I’ve got a very old Heathcote vitreous China toilet that I’ve just refurbished with new guts and pipe work. However the flush pipe to pan connector is a rubber external type. There a bit of a pig to get on unless I heat them in hot water first but I’ve fitted two new ones already and at best I’m getting a weep and worst a leak. The toilet is from at least 1904 when the property was built. Is there any way I can get this completely dry. Please help. Not got much hair left at this point 😢
Make sure it is dry . Then try packing around the flush pipe and pan with plumbers mait, then slide the rubber cone over.
dereton33 excellent. I’ll order some plumbers mate and have another go. Thank you for the advice. I’ll let you know how it goes.
Where can I buy that rubber
Plumbing shop.
Good job👌
Thank you.
Perfect! Thanks for the info
No problem!
Great video!!
Thanks.
Helpful, thanks
You're welcome!
Hi got a video on a leaking overflow pipe from underneath the cistern and replacement ?
No afraid not.
@@dereton33 Cheers... looks straightforward enough. Thought the problem was the overflow standpipe leaking . That is the cause of a little bit of water. We don't have a pipe from that standpipe at the bottom of the cistern.
But something weird is happening.
First we had one of those old ball things with the arm. That started making a lot of noise so we had it replaced . It's replaced by one of those single unit float things with the ratchety floppy screw. Sure you know the type.
Anyway all has been well but then when the water on a tap in the same room or the shower / tap in
a different room comes on it seems to override that float and water comes into the cistern and hoes above the level of the overflow standpipe, flooding the floor.
Once the tap is turned off all seems OK. Also if we flush the loo, the cistern water obviously drains and so the problem is resolved until the tap is turned on again. So an intermittent problem. I've tightened the ratchet screw on the float (maybe should be loosened? ).
Any ideas?
Try turning the flow rare down on the main stopcock. If that does not work you may need a shock arrester fitted.on the feed to the cistern.
@@dereton33 OK cheers.... there's an isolated to the toilet so assume I can use that instead .... weird it's only happened recently . We did have the boiler fitted with some new parts about a month ago but assume that's just coincidental.
Nice job thanks for this 👍
Any time!
Hi mate, would you reccoment the plastic or rubber fitting?
The rubber one
@@dereton33 thankyou
Thankyou so much.It helped👍❤
You're welcome 😊
Thank you mate, I fixed it!
No problem 👍
Where can I get a replacement one of them rubber things can you create me a link for your Amazon thing so i can buy one I couldnt find it on your store front
Amazon do do a packet of these I will find it and add it to my store.
Thank you so so much!!!!
You're welcome!
Thank you. Very helpful.
No problem.
Thanks buddy. Very helpful. thumbs up
No problem.
Very good
Hi, My flush cone is leaking constantly not just when I flush the toilet. What do you think the problem is with this? Cheers
The flush pipe is cut too short.
@@dereton33 thank you so much
Cheers
No problem.
I have done exactly as you did it. I cannot get the rubber fitted, it won't go in. I even used Vaseline. It won't go in. What now.
See if you can get someone to help you who can give it a bit more push.
@@dereton33 I had two leaks and fixed both. Quite proud, thanks for advise.
What to do if the leak is at the top of the flus pipe please?
Wrap some PTFE tape around the rubber washer or get a new washer
Hi, what's name of that flush connector to buy from amazon
A flush pipe cone, for an outer fit, or a plastic insert for the inner fit.
What is the part called? Cheers.
Flush pipe insert.
Need to change the cone on my pan, what is the proper name to ask for?
A flush pipe cone
A flush pipe connector. Rubber or plastic. Glad I could help. Iv changed 2 today so far . What a toilet hero.
if you find it to tight to fit, soak in hot water for a min
Thanks for the tip.
I think I can handle this, now I just need to somehow get to the hardware store in Croatia without a car.
Better start walking
There is a bus. Haha
jeeez did the plumber chew the flush pipe instead of using a hacksaw haha
I have good teeth. Ha ha.
Use a small carpenters saw to cut plastic pipe far easier
👌
Thanks.