How to replace an Aqualisa thermostatic mixer cartridge.
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- čas přidán 29. 06. 2024
- George shows how to replace a typical Aqualisa cartridge. This applies to most Aqualisa mixer showers from mid 1980's until now.
Buy Aqualisa cartridges on our website: bit.ly/2oWY9kH
Below is an explanation of different types of cartridges:
Grey ring on cartridge number 022801. (Thermostatic)
For Gravity, Pumped Gravity, and balanced high pressure systems.
May also be used for Combi boiler systems when flow regulator is fitted.
Pink ring on cartridge number 022802. (Thermostatic)
For Combi boilers and Multipoint water heaters or unbalanced systems.
Green ring on cartridge number 022803. (Thermostatic)
For balanced high pressure (Obsolete) now use Grey
Blue ring on cartridge number 022804. (Non Thermostatic)
Not suitable for Combi boilers and Multipoints, we advise replacing Blue with Blue
White ring on cartridge number 022805. (Non Thermostatic)
Short cartridge only fitted to the 430 range between 1993 and 1996
Timestamps:
0:00 Introduction
0:33 Removing front knob
1:27 Unscrewing temperature lever
2:39 Removing the cartridge
4:03 Replacing the back o-ring
4:54 Installing new cartridge & gasket
7:19 Aligning the temperature lever
8:51 Reassembling the front knob
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Questions about your shower?
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Thanks for this - a massive help for me replacing my grey cartridge with a pink one after getting a combi boiler (previously pumped gravity). One gotcha was that for me, when I took the grey cartridge out, there was an o-ring and white plastic ring on the back of the cartridge. This wasn't on the new one, and had to be added. Initially I didn't add it, and I couldn't turn off the water from the shower, and there was no temperature control. Once I added the white ring into the slot at the back, and put the o-ring on after (onto the end of the cartridge), it worked fine.
Hope this helps.
Hero! I must of have the cartridge in an out 4 times trying to fix this issue. Thanks
Amazing how nit picky some people are. How about being grateful that someone has taken the trouble to help us and save a lot of money.
Thank you for this video. I changed the cartridge which was leaking and causing air locks in the shower.
Great video. Very instructional !! Having done this job several times i would certainly agree that the small 'O' ring is very difficult to remove.. I would suggest using a metal 'dental type' tooth pick to get behind the 'O' ring to gauge it out. Luckily, replacement of the new 'O' ring is not as difficult - although it is still very fiddly. Oh - and just an addition to the video - don't forget to turn of the hot and cold water feed to the shower before starting to replace the shower cartridge.
Thanks Doc, I'm going to get myself a new cartridge now and try to stop our old shower dripping. Its been in place and used about twice a day since 1984 and we live in the hardest limescale area you could imagine.
Thanks for the well presented video.
I just wanted to say thank you for this very well explained video. I changed my cartridge no hassle, no problems (so far :). Much appreciated!
Make sure you put screw in the T25 screws very tight! I put mine back together and it was still dripping and I was almost about to give up, but one last try saved me from called a plumber. The instructions that come with the cartridge are pretty great apart from not mentioning how tight they need to be
Thank you for this. Just followed your instructions to fix my shower. You are right about the o ring, seemed impossible to get out but luckily I did not have to.
just changed my cartridge just as explained.Thanks a million
Thank you so much for this video. I had a sleepless night worrying about changing the shower cartridge - your video was so reassuring and gave me the confidence to have a go. I did it in half an hour and saved myself a fortune and a lot of hassle!! The shower works beautifully now for the first time in years and the bathroom is fully functional again. Brilliant!
Carried this operation out on an ancient Aqualisa 200 tank pressure model today.
My comments.
When the shower started to leak I had a plumber come and fit two tap type stop valves in the hot and cold feeds for £60. These were accessible in the airing cupboard so we used these to stop the drip for about 3 years!. Eventually the leak returned as the water in the shower body itself was dripping off the temperature regulator arm.
At first I thought I would not bother to renew the "O" ring, but it leaked when the water was turned back on.
The crochet hook suggested to remove the "O" ring is hopeless. At first I could not see the existing ring and could not feel it with the crochet hook. I eventually stabbed it with a pointed curved blade on a scalpel. I think it fair to say you need something to stab it with, rather than just try to pull it.
As other say getting the new one back in is definitely a fiddle! You will need a second person to hold the torch and 3", or longer fingers! My longest finger is about 3". I did use the crochet hook to help pull it in to the groove while trapping it in the groove on one side with the screw driver.
Otherwise the instructions were good. I had the brass ferrule model for the screws that hold the new cartridge, so if you have, heed the warning and re-use the brass machine screws. You will need the new machine screws to re-fix the temperature regulator ring.
Great video, thanks! And that O ring..... phew!! Success was sweet 😄
This is awesome thank you very much 👍
My Aqualisa shower mixer valve has been in situ for many years and had developed a water leak at the temperature control lever. Despite undoing the screws, the valve was still lime scaled into position. I had to put the on/off cover back on and gently manoeuvre it until I dislodged the offending line scale.
It’s difficult to see where the water leak was but at £198.00 for the complete valve, I’m prepared to spend an hour or two looking for it. The gasket and ‘O’ ring set costs around £16.00 on Amazon of you can’t seal the original rings with petroleum jelly or CT-1.
Great video, I’ve just added comments on other problems I encountered?
Good luck.
Great video, super helpful, thanks very much.
Thanks so much for the video...a life saver!!!
Very helpful, thank you. The question in my mind is, how would I know whether that tricky O ring needs replacing? The instructions that came with the Aqualisa cartridge said that they recommend the O-ring is replaced. This video implies that it normally doesn't need to be done - and I can testify that it's tricky getting the old one out! What are the symptoms of it needing replacement? Many thanks.
Great vid, thanks. Got one of these style controllers constantly dripping from the shower head. - 1 drip every 2 seconds. Does this mean I need to replace the whole cartridge?
Well explained.
Excellent video. We have two showers with this valves and both have gone very stiff to turn on and off. Do that mean that the cartridge needs replacing or is there some remedial fix for this? Being an engineer I prefer to fix than replace.
Thank you for posting. Came in handy.
Hi, I have an aquastream power shower installed in 2000. In recents months it is leaking via the shower head. In the past when this happened I have replaced the cartridge an this worked.
I was sourcing replacment cartridge adn they are quiet expensive. I am wondering do I really need to preplace the cartridge would a new " o " ring solve my problem.
alan
I am going to be replacing the cartridge and loom when it arrives from shower doctor my shower is aqualisa aquastream post 97 model i would have appreciated a video of someone replacing theirs.
Hi, This video is very informative, thank you. I have a question. I have a circa 2000 Aqualisa shower. Replaced for the same model approx 5 years ago. I believe the model is 609. When we turn off the shower, there seems to be a little bit of play on the control knob, so we get water dripping. Does this indicate that we need a new cartridge??? Many thanks
no mention of fitting the white split ring that slots into the rear of the cartridge to give a uniform seal surface for the rearwards oring to sit onto.
Ha thanks saved me watching
How do you remove the middle of the knob, to get to the screw, to pull the knob off.
hi my got water is heated via a tank from combi boiler do I need to turn water off and drain the tank?
Brilliant explanation, worked a treat. Thank you! Are you related to John Higgins, the snooker player, by any chance? You look and sound like him, but you were much more uselful :):)
I'm changing one today, thank you
What does one do if the T25 screws are completely rusted and brittle? Many thanks in advance.
I have done everything right I think and trying to call you but when I tightened the cartridge the shower when on leaks hugely. I am not sure if I did not tighten the screws enough or if it is the big rubber washer/ring with the grid, maybe that is defective. I have two videos to show you but where to upload them? will you see them if I manage to upload them?
Interesting info - But George is working on a brand new one! No gunge or rusted screws! Also, I think zooming into the shower control would show more. I had to squint at the screen... The cartridges have got cheaper - about £75 now, but still pricey!
Very useful video!
I was going to get Aqualisa to replace the cartridge for me, but they won't do it unless the shower has isolation valves. I said they can turn off the water for the whole house, but they said that won't do.
It's a combi boiler system. There is no water in the house higher than the shower, and nothing comes through if I turn off the main stopcock. Is there any reason why that wouldn't be safe?
Useful, I was looking forward to it being a straightforward in and out replacement. Then I found that two of the cartridge retaining bolts had corroded beyond recognition. What kind of company puts steel bolts in a wet area?
I got the same problem, may I ask how did you managed to get out safely?
Very useful thanks. This may be a daft question but do you need to isolate the water supply (turn it off at the mains), before replacing the cartridge? Thanks
Yes you need to turn off the hot and cold supply to the shower before removing the cartridge.
The Shower Doctor Great, thanks. I will let you know how I get on!
My Aqualisa shower has been dripping for a while now and so when I saw this I thought great, I will have a go at replacing the cartridge. £110 later the new cartridge arrived and I followed your instructions to carefully remove the old cartridge, the hard-to-get-to O ring, then replace with a new O ring making sure it had seated in the groove followed by the new cartridge. Gently tightened the brass screws and turned the water back on and..... it still drips! About 1 drip per second, apart from that it works fine. What have I missed - or is it something other than the cartridge causing the dropping?
Did you resolve the dripping? If so, how? :)
Hi I have a aqualisa thermostat mixer , I now have a combi boiler which has more pressure , so the thermostat is now leaking from the bottom, I need to change it , do I have to turn off hot & cold so I can take it out to change it , thanks
I have an Aqualisa Hydramax (torpedo-shaped) Shower control which has been in my property since I bought it as a new property in 2008. I have just sold the property and should be completing towards the end of June but the shower has just started leaking cold water only when it is turned off. It started as a few drops but the rate of water loss is increasing rapidly so cold water is trickling constantly at an increasing volume. I have been quoted £260.00 + VAT by Aqualisa for them to come and replace the cartridge or £328.00 if I want a total up-grade including new shower fittings. Is it possible to replace a seal, washer or other components rather than the whole Aqualisa Hydramax cartridge as I don't think I can leave this to get worse and it would not be a pleasant thing for a new resident to be faced with as soon as they move in?
Inherited our shower which was quite old and had 1 of the bottle top blanks RIP open and so had a little leak , luckily we were in and shut the water off.
Plumber came and fixed that but then messed around with the shower dial itself for along time .
When he left we noticed later that it dribbled ever so slightly. Never mind I'll order some seals and fix it myself luckily I'm quite handy.
But noticed- number 1- the water had been tracking back through the ring / collar and dropped into the drywall where it had made the stud wall a little damp. :(
When I fitted the seals there were none on the fluted spindle, I believe this is where the smallest seal should go ?
When I turn the mixer off I'm stil getting a little bit coming out of the bit that feeds the hose. Is that likely cartridge related or something else? Thanks
thanks for the video. I took out the four screws but the cartridge doesn't come out. it seems stuck behind a white retaining ring - what do I do?
After removing the 4 screws completely the cartridge should just pull out.
I have a Gainsborough shower, would the Aqualasia cartridge for this shower, the current one is grey, and the shower is only giving out hot water, no adjustment to make it colder. Do I need a new cartridge? Thanks, think the video is very comprehensive.
We have an Aqualiser mixer valve which is about 7 years old and when turning on gives out screeching noises.The shower works ok so any tips on curing this problem please?
CAN YOU SHOW HOW TO REPLACE CARTRIDGE ON A TRITON T-BAR SHOWER AS CANNOT REMOVE CARTRIDGE - NO GRUB SCREW. THANKS PBW
How do you know when to replace the cartridge? What are the symptoms?
Hi Shower Doctor
I have an Aquavalve 700 Thermo Exposed that has been dripping for some time now.
Do you think that by changing the gasket will stop the dripping? Or do I have to change the whole cartridge?
I would appreciate your advice.
What did you end up doing to resolve the dripping?
Thankyou for this. Do we need to switch off the water to the pipes first ?
Yes, you do. And leave the taps on to drain the system before you start.
How can I remove the retaining screws holding the Aqualisa cartridge when the heads have rusted away
Same problem here, did you manager to unscrew the rusted one? I have been successful for 3 out of 4, one is not getting unscrewed.
@@jeetugurgao Hi How did you get the rusted Screw off?
My shower was bought in 1996 and is now dripping. How do I know what cartridge to replace it with. Note I want to buy cartridge to give to plumber but do not want to dismantle shower before doing so.
great vid. i have thermo 609 fitted but can only get all hot or all cold. My plumber says he plumbed in correctly. any ideas. its brand new.
I have just change my boiler form a system to a combi , and the engineer said the cartridge is not working properly any idea what colour one I should get
The pink cartridge is for combination boilers but only for combi,s your old one is probably gray or orange.
Our bath/shower selector (turning nozzle) seems to be leaking water. Any idea why this would happen?
I have a really old aqualisa shower that doesn't seem to stay at the same temperature, one day it will be fine, I don't move the selector and the next day it's boiling!, would this be a cartridge problem? Thanks
I find the temperature varies with the weather. On cold days it needs turning up more and in summer I turned it down a lot.
My Aqualisa shower has started dripping from the controller, will an o’ring or gasket fix my problem.
regenerate the air gap in your hot water tank
david carradice hi David, mine has got the same problem. How did you fix yours? Please share link to the parts if possible
My aqualisa shower is dripping from controller
Shower Doctor TV: How to replace an Aqualisa cartridge, a video guide: buff.ly/1qIiBRt
Followed up to 2:00. When I removed the temperature lever though, there's another round plastic case which I can't work out how to remove. This covers the screws to the cartridge (presumably, I can't see them). Also there's a small black plastic unit in front of the cartridge with wires (red white and blue) leading from it into the cartridge - looks like it hugs the side of the cartridge then disappears into the unit somewhere.
It's an Aqualisa Aquastream 97-03.
Can you advise on what to do with this?
Would be immensely grateful for any help!!
Thanks.
Do you have to turn the water off at the mains to perform the cartridge change?
Thank you.
Great video.
Yes
What size is the o ring thanks
Hi, I have just replaced my Hydramax Shower Cartridge (high pressure one, with the green colour) and to my surprise it won't turn off. That is to say, when the knob is fully turned off, water continues to come out the shower. I had to put the old (identical) cartridge back in again just so I could successfully turn the shower off. What could I have possibly done wrong (or could it be a faulty cartridge)?
Check is that you have fitted the cartridge the correct way round, it is possible to fit it 180° out and this will cause it not to shut off.
Other than that it must be a faulty cartridge it is very seldom we get these back as faulty but........if you bought it from us then drop us an email and we can arrange a replacement or a refund.
The Shower Doctor Thanks for your reply. It turned out I had neglected to slide on the white plastic o ring behind the black rubber o ring. Once I had done this it all worked fine. Cheers!
Gus Flannaga
Very useful thanks. I have a Aqualisa Manual 400, installed 1988. I think the cartridge that I replaced may have been the original. Would this shower definitely have had an o-ring ? I couldn't see or feel one. The original documentation contains a component drawing which also doesn't indicate one. Perhaps it has hardened.
I might try again this weekend using a needle as per suggestion below.
If the o ring is very old it will have perished and set hard to remove it use a dentistry hook and a lot of pas hots
......Patience .......
Joshua Trevor Thanks Joshua, I've just ordered a dentists hook to have another go. We sold the house earlier this week, so will have another go to avoid leaving the new owners with a problem.
Might be a few years late, but I found a really easy method to remove the o ring. Get a scalpel type hobby knife and just stab the o ring, and then lift it out. Got mine out in literally 3 seconds.
does the water need to be turned off before hand
Wish I'd seen this before i called a plumber, I could have saved myself £130 for the cartridge and £130 for the labour!!!
I would like to see this done on a unit that has been installed for 5 years! with all the limescale and crud….not so easy then!!
We have installed the aqualisa cartridge (pink one) but the shower won't turn off now. It will reduce in power but never fully off. What should we do ?
Hi, I have just taken out my old Hydramax thermostatic cartridge which has a green ring. Am I correct in thinking that Hydramax has now become Aqualisa? Which colour ring should I now buy? We have a combi-boiler. Thanks
www.showerdoc.com/aqualisa-high-pressure-cartridge-comes-with-gasket-022803
Hydramax is an Aqualisa and if you have a green cartridge you should buy the same.
We have 2 of the same models in our house that was built in 2001, Both are leaking badly had a plumber out and he could not source the correct part, Just took it apart to see a blue cartridge, on your website it says discontinued, what cartridge will work?
I am not able to unscrew one of the four screws holding the catridge. The screw head is damaged (rusted away). Any suggestions on how to unscrew it?
Shower make Hydramax
Hi, I got the same problem today, may I ask how did you resolved? Any tips helps. Many thanks
Shame you did not demonstrate the tricky bit - the O ring replacement - because, as you say, this is the first question the manufacturer asks if a fault develops. Also you do not explain what the o ring does and when it must be replaced.
And dont forget to turn your water off!
Shame you didn't show changing the 'o' ring, which is the most difficult part of all of this.........rather than just referring to it!
That 'o' ring is the absolute worst .if that ring is worn or it's been dripping for any long period it gets mashed into the body and it makes it virtually impossible .
Easily changed when it's a demonstration on a new body ....nightmare in real world on ,an old ,faulty valve .
What a COP OUT, Well what you've shown us could be worked out by anyone that can change 13amp plug and is just a reversal of taking it apart .
What you didn't show was how to fit the O Ring, Which is an absolute Nightmare.
Getting the old one out with a hook is piece ice of cake, getting the replacement O ring in must be the most tedious job a person could ever do in their lifetime
Thank you for this. Our ancient Aqualisa thermostatic shower wouldn't turn off recently (fortunately, the isolators are nearby), and I've just replaced the cartridge (and the o-ring, oh yes!) with the help of this video. £75 for a cartridge off Amazon, compared with £170 for a plumber to replace.