HOW TO CHANGE AN IMMERSION HEATER - Plumbing Tips

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This video briefly guides you through the steps involved when changing an immersion heater. If you have the right tools you can do it yourself. From turning off the water to switching back on and feeling nice warm water.
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Опубликовано:

17 окт 2011

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Комментарии : 138

@plumberparts 5 лет назад

*Links to the tools I use everyday here:* www.amazon.co.uk/shop/plumberparts Plus, follow my *Vlog “TimesWithJames”:* ru-vid.com

@geraldharkness8830 Год назад

very well described you are the only vid to show bottom mounted immersion heater removal thank you!

@trueclearlight 24 дня назад

Many thanks for this, especially the copper slip tip; easily got an extra quarter turn using less force, and stopped the drippy leak that had been plaguing me!

@Sammyboy72 11 лет назад

This was really helpful. I'm about to fit an immersion heater in a big plastic tank that I've converted into a hot tub, and this told me all the things I needed to know.

@patrickm8275 3 года назад

Great video. Helped me out big time about 5 years ago. Mate your videos are essential viewing for plumbing info and jokes! Ledge!

@mike12419 8 лет назад

like everything you do here ! 1 thing i usually do before i drain down the domestic hot water is to get the immersion spanner on the immersion and give it the first " crack " while you've got the head pressure still acting on the cylinder ! - A fully drained cylinder is a lot less stable and thus more prone to cracking with the force of an immersion spanner !

@plumberparts 8 лет назад

+Mike Rice Same here man!

@naechance007 5 лет назад

Love your videos, I'm just a bit shocked that you didn't use the pole and hammer, plus wet vac the bottom of the cylinder to get rid of scale

@clgrm1 12 лет назад

Thanks ever so much Heatandplumb. A nice, straight forward step by step guide that's empowered me to get the job done myself. Really appreciate it.

@johnchadwick6350 Год назад

Just followed this guide and it’s spot on! Thanks very much mate 👍🏻

@southernnutcase 8 лет назад

watching this from the U.S. its amazing to see how the procedure is the same but all the equipment is totally different. our tanks look nothing like yours, the thermostats are usually located away from the elements, and we generally don't run an economy style cutoff for a dual element. so its nice to see how things look/work on the other side of the pond :)

@plumberparts 8 лет назад

Cheers dude!

@decoyfox 2 года назад

This vid saved me hundreds of quid, massive thanks!

@marksmith8663 5 лет назад

Hi great easy to follow channel I have just moved home to a house that has solar panels max output just over 3kw on a hot day I’ve wired a timer switch on the standard 3kw immersion heater but thinking of changing it to a low power 1kw so can tap into the free power other than just mid summer . Question is , with the cylinder thats 22years old . would it be worth the risk of possibility damaging it trying to replace the immersion heater on a cylinder that old .

@Joewalshe38 11 лет назад

another good video, hanks. The only thing I'm a little unsure about is how tight to fit the new element. Would I fit it hand tight and after filling then tighten it fully.

@sion-music 3 года назад

Good video, after watching this I'm feeling confident enough to change my own immersion heater. I just don't know what length replacement I need to order so I can swap it over. My current immersion says "Backer Type-327", its on the top of my cylinder but I have no idea what length it is, is there any way to tell without removing it? or is there a generic size I could buy and it will be fine? thanks for any advice you can give.

@olliesanders 7 лет назад

What jointing compound did you use mate? It looks like the non-potable stuff?

@sashcramp2099 7 месяцев назад

Thanks for this, it answered my question about compound and PTFE. Any tips on a quick way to get the sludge out of the bottom of the tank?

@Corrie121 12 лет назад

Great post. Very clear easy to follow instructions Thanks for sharing.

@patrickmorrissey3430 7 лет назад

Great video. Helped me out alot. Cheers

@devonfuse 8 лет назад

Watching you undo that element worried me as you were applying all the pressure on one side and buckling the cylinder. I always put a long bar through the box spanner and apply an even pressure to both sides. I think this stresses the cylinder less. Never damaged a cylinder yet.

@plumberparts 8 лет назад

+devonfuse Thanks for the heads up! PP!

@dazdavison1 5 лет назад

Here here!

@iansyme3535 5 лет назад

I too was wincing when I saw this. Sensible people would also soak the assembly thoroughly with WD 40 and leave for a few minutes before attempting to loosen....

@jimbomez1 11 лет назад

I have one immersion heater at the top of my hot tank, can you wire it directly to a Fused switch or do you need to connect it via fuse/MCB

@tomg106 12 лет назад

what compound are you using? had to do 2 of these on a combination cylinder, and like you said, cant fully tighten it without water inside or risk tearing cylinder open. only used fibre gasket and were there ages trying to tighten up the heaters with the spanner, ended up putting a bit of 15mm pipe over the handle for extra leverage...

@rabc77 11 лет назад

Hi, I have a E7 flat and when we turn on the water heater after a time, obviously its heating the water, the feed tank starts to bubble as if the water is boilers and the pipes from boiler start to bang. Once that happens we turn the boost off and all is fine. Would that be a faulty stat i.e. never turning off or? Thanks in advance!

@neilprendergast1312 10 месяцев назад

Superb instructions - thank you

@ebola1974 11 лет назад

Do you have a video about replacing the whole of the tank? We are on economy 7 yet have a standard tank which A, we are unable to boost during the day and B, provides not enough hot water for the family. Many thanks!!

@Claphambuoy 11 лет назад

I've always loosened the element while the tank still has water in it. Doesn't need to be much, just budge it that first little quarter-turn. Sounds counter-intuitive, but an empty copper cylinder is way more liable to distort (then subsequently leak) if it's empty. If it's an unfamiliar installation, it's probably a good idea to let a littlewater out of the draincock first to make sure it isn't blocked.

@mtb5778 5 месяцев назад

this is a very good video. thanks for all the excellent tips and information.

@lovedaycopeley-williams5877 5 лет назад

Thank you. That's a Really great VT So helpful.

@davelovestech1734 3 года назад

Jimmy where is those grips you got on your amazon store? To undo the emmerssion?

@kobalt77 4 года назад

Thanks mate, this helped me out big time :)

@villa89ryan 10 лет назад

looks easy enough mate keep up the gd work !!!!

@bigseano8 3 года назад

Hi. I need some advice if you see this comment. I need to change my immersion heater but non of the available immersion box spanners fit around the nut. I really am stuck now, is there smaller sizes than the standard 86mm spanners ? I need approx a 3inch spanner size. The immersion is for a NIBE which are popular in Sweden. 🤦🏻‍♂️

@ropeywyla 5 лет назад

Awesome video and quite amusing, likable bloke

@Bertcrankshaw 12 лет назад

Can you help ? I need to replace the insert in my hot water Bath tap but I am struggling to isolate the hot water. Is it the RED valve on the piping to the front of the tank ? How long will it take to clear the hot water in the pipework ? THANKS !

@somjitleo 11 лет назад

Is draining the tank the same as stopping the supply but running the hotwater at the bath tap ? I have only one immersion fitted from the top , I assume I just need to drain the water about a third .

@r1273m 3 месяца назад

I've got one to replace. Is there a reason you used grips on the box spanner rather than the supplied tommy bar?

@telosfd 11 лет назад

Before unscrewing the element Give a clockwise tightening, and then it's easy to unscrew. How KWatts is this element? If you want to drain the water, opened the tap of warm! Thanks for the video.

@Hardc0reGamer92 7 лет назад

Would you say about 10 raps of PTFE tape on the Immersion heater James?

@GHancock 9 лет назад

John, ptfe is good idea..not for seal as your right the washer does seal...but the tape stops water scaling up the threads, making it easy to remove in future...oh and crack that joint whilst full...stops tank twisting

@plumberparts 9 лет назад

Indeed George!

@educatedrock 11 лет назад

is this common in the UK to have electrical tanks ?? Is it convenient because of venting flue gases in certain applications or is it lack of gas.

@goodgirlsguide 12 лет назад

nice clear instructions - did not realise the tank needed draining. so I think its one for a professional

@Cumbriahandyman 11 лет назад

How do you tell if it is the element that is knackered or the thermostat?

@wbasimo 12 лет назад

Could you do a vid on testing the immersion with multimeter.

@AliHussain-xj1tv 6 лет назад

Hiya, good educational video as always. My immersion heater is situated below & took at least 2 hours to drain why?. You said it will take 15 to 20 minutes. Please inform me what I did wrong. Cheers mate. Keep well!!

@peteryoung9608 5 лет назад

Perhaps you didn't open the hot water tap . Then you wouldn't get a vacuum in the system !

@fukallofu 12 лет назад

Hi mate, I cant find copper slip that is WRAS approved, I don't like using anything that isn't. Where do you get it from?

@bobcrow214 7 лет назад

My element would not move and the tank started to buckle so stopped and went and had a word with my supplier. His suggestion was to use a hot air gun to soften the jointing compound that had been use worked a treat, I did have to remove some of the insulation first to stop it burning.

@plumberparts 7 лет назад

Ok, but all good now? SUBSCRIBE! ➡️👉 ru-vid.com 👈⬅️if you haven't already!

@bobcrow214 7 лет назад

Yes all good thanks ,your vide are very useful

@marksmith5977 4 года назад

What are those holes in that big spanner for mate?

@mtb5778 5 месяцев назад

you did do mention the wire coming out of the thermostat. live in. other wire out, is that live wire to element?

@dangeoopatrick2593 2 года назад

How can I identify what length element is fitted before removing it so as to buy a replacement before starting the job,

@michaelmurphy8485 3 года назад

I did not read alll the comments so sorry if it was mentioned but would be good to hear you say about checking the setting on the Thermostat before leaving it.

@benny5825 12 лет назад

Was the drain of for the tank or cylinder?

@CurvedSlightly 11 лет назад

My mate had a faulty Immersion heater. It had stuck on and was actually boiling the water! He only realized when the house was full of moisture! We all had a great brew though.

@therac23 4 года назад

My immersion doesn't seem to be refilling afterwards any tips?

@gabibm14 4 года назад

Very good, thank you so much, I could do it by my self =D

@asaca1 7 лет назад

I sometimes heat up the immersion heater with a blow torch. it helps to remove it easily.

@jackrussel8898 3 года назад

Always remember to clean the threads on the flange out before reassembling, been there done that and had to replace the tank.

@ijustwanttoaskaquestion106 3 года назад

What do you use to clean the threads, a brush?

@michaelgoodall7008 3 года назад

@@ijustwanttoaskaquestion106 small brass suede brush

@paulsheriff 7 лет назад

what kind of price would u say this would cost my old tank is just about done last guy fitted this and left it leaking it is now tripping the fuse has lasted a few years tried new thermostat just tripped again so it must be the element yes preferable woud be great to fit a new modern tank but not sure where to start

@plumberparts 7 лет назад

If you do it yourself, the immersion costs about £35 in most plumbers merchants. If you're going to pay a plumber, the whole job will cost about £135 or something....SUBSCRIBE! ➡️👉 ru-vid.com 👈⬅️if you haven't already!

@TheDickPuller 12 лет назад

Well done mate, it's not an easy one replaceing the immersion heater, it can be a real James Hunt to unscrew it!! You covered most things, perhaps you could of shown testing the element with a multimeter, ohms law etc? Another tip your viewer may like is using a blowtorch if it's too tight to unscrew; remove the thermostat & heat the centre of the old immersor for a good few minutes(don't burn the cylinder insulation), then while it's still very hot unscrew with your box spanner. Dickie...;-)

@daftvader4218 10 месяцев назад

That Gent is GOOD.... THANKS

@kevinleesmith 2 года назад

If I have one at the top, surely I dont need to drain the tank?

@cippanddail 11 лет назад

just happened to me, water does drain but very slowly, I trusted in the 15 minutes as he said:) I rushed a little without thinking that by this flow there is no way it could drain 150 liters:) since I am changing the top one I thought lets see lol, and all floor in water:) I managed to close the immersion heater back but Im stuck how to drain it now lol, I guess maybe unvented tanks are a bit different than what he does here, even though great video but floor in water, hmmm what is the next step

@benny5825 12 лет назад

How did you know it was the bottom one that was faulty?

@gabeerlazem7798 4 года назад

Thank you buddy

@MouldedSalad 9 лет назад

Hiya John... I'm going to replace the immersion heater element in my hot water tank - the current model is a 11" Backer BS311C (I'm assuming the C stands for copper). I was wondering if a new Backer replacement will be wired slightly differently due to changes in regulations or even easier if I would be okay just picking up a new element from my local Screwfix just down the road (not sure of the quality of their generic elements)? [Mark]

@plumberparts 9 лет назад

Just get an alloy element. I find they last longer. Wiring is usually the same. PP!

@MouldedSalad 9 лет назад

***** Many thanks...

@MouldedSalad 7 лет назад

Paul Cullen 👍

@davidepascolo5926 9 лет назад

Hey John, quick Q: My bottom immersion heater doesn't seem to work but the top one does. It may be a wiring issue (new place I've moved in to). Is there any harm in me swapping the wiring around from the top one to the bottom one? I plan on installing a digital timer so having a full tank of hot is what I aim for. great post and channel BTW.

@plumberparts 9 лет назад

davide pascolo Bottom one is the night cheap electricity heat store. Top one is boost. Get an electrician in to do the work as it'll need a ticket to sign it off. Regards, PP!

@davidepascolo5926 9 лет назад

***** Thanks John, I think I'm just going to replace the whole thing with a new one and follow your instructions on the video clip. I'll need to change kitchen taps soon after and fix a noisy flushing toilet, all of which I'm sure you cover in your great video's. Very much appreciated :)

@rodpanhard 8 лет назад

I've just changed my thermostat as the water in my immersion tank started to bubble and boil one night but now I only seem to be getting 3/4's of the hot water I used to before it turns cold. I never changed anything just dropped in the new thermostat rod. Do you have any ideas why this could be, thanks.

@plumberparts 8 лет назад

+Rod Panhard Was the new rod the same length?

@rodpanhard 8 лет назад

+plumberparts Thanks for answering, Yes, same length, I took the old thermostat with me to get a replacement, I was not sure if the fact the water in the tank boiled had anything to do with it. It happened in the middle of the night I could hear it boiling so I switched it off and replaced the thermostat which did cure it and I get hot water at the right temperature only now when running a bath the hot water goes cold quicker than it used to and I only get 3/4 of what I did before.

@mr__daly 7 лет назад

So what temp is the new thermostat set at now? Maybe the older thermostat was set at a higher temp?

@dangeoopatrick2593 2 года назад

What if it’s the top booster element

@DJJimCowley 8 лет назад

love the giant grips. niiiiiiice

@plumberparts 8 лет назад

+DJJimCowley Cheers dude! Please sub >> ru-vid.com

@CashForQuestions 8 лет назад

What if your old immersion is entombed with lime should i attempt to remove it?

@plumberparts 8 лет назад

+CashForQuestions Probs get a pro in mate! Sub here please>> ru-vid.com

@nrg-5003 8 лет назад

nice vid but what do you do when some numpty hasn't fitted a gatevalve to isolate cold feed to the cylinder?

@plumberparts 8 лет назад

Then you're draining the whole tank out in the loft too, then cutting a valve in as part of the job! Good luck! Sub here please>> ru-vid.com

@nrg-5003 8 лет назад

I was afraid you were going to say that,looks like there is nothing else for it, i will deffo add a gatevalve to shut the cylinder off shouldn't be to difficult. cheers

@bobsage4963 6 лет назад

You should worry! What do you do when some numpty hasn't fitted a drain valve...? (cue hysterical laughter)

@robhingston 11 лет назад

my Immersion Heater Cylinder use to go bang about every 18 months for some reason my Immersion Heater Cylinder as lasted 7 years,

@Mariamfatima8888 4 года назад

good job

@FunTimeFunkyBhudda 12 лет назад

Think you should fully remove the fuse when you switch it off at the junction box incase someone comes along and turns it on whilst you are working on it. apart from that it was very informative thanks

@dianesaffron 8 лет назад

we just bought a new immersion but it says it needs to be wired to mains not like the old one which was on a plug , are they all like that?

@plumberparts 7 лет назад

Probs best to ask your electrician about it!

@eah4187 5 лет назад

Hey, sister

@mickdavid8667 3 года назад

thank you

@mugins123 12 лет назад

i have replaced my immersion heater and power going to it ok but this still is not working, anything i should be looking for??

@kevintheobald1578 4 года назад

Thermostat?

@robhingston 11 лет назад

I have had to replace mine a few times , about every 5 years due to limescale,

@TheDickPuller 12 лет назад

Here's a wee leason on testing the element on an immersion heater; Test everything is dead before you are, just do this if you're OK with electrics. Right; with a multi meter test the Ohms resistance of the element only, not through the thermostat. Ohms Law; 3000watts div 230Vac = 13Amps 230Vac div 13Amps = 17.69Ohms So a 3KW immersion heater element should have a 17.69Ohms Resistance. Got it??

@bobsage4963 6 лет назад

Spot-on, Mr Washer! A good tip is to also check between the element's Live or Neutral pins and its earth terminal using the MegOhms range of your meter - obviously there should be no connection, i.e. very high or infinite resistance. I'm about to change an immersion heater which reads about 17 Ohms Live to Neutral, but unfortunately reads about 10 Ohms Live to Earth. Circuit breaker, him go POP! :-(

@FunTimeFunkyBhudda 12 лет назад

Measure the heat of the water when it comes out of the tap

@baza7008 6 лет назад

I've just done one of these this weekend just gone and it was a right bitch of a job! Right from the start continuous issue after issue. Got it done and working perfectly in the end but I certainly don't wanna have to do that again in a hurry I can tell you.😂 but really great video though.👌👍

@TomHanks2723 4 года назад

Instead of fishing from the immersion hole. You can open the support washers slightly as it’s a split washer,Then you can put the thread on the anchor line, push it through the hole, then do a screw motion with the washer, then push the rubber washer through the hole. Bobs your uncle.. pull the thread out the hole...minimal chance of losing anything also use a tooth pick hook the metal ones from boots to pull the anchor hook back through the hole. It’s a 2 minute job

@educatedrock 11 лет назад

change your anode more often and it will extend the life of the element

@advertising1337 8 лет назад

What is that tester thing called

@advertising1337 8 лет назад

At 1.06

@plumberparts 8 лет назад

+Sergio J Thats a Fluke electrical tester. PP!

@mcfly10146 11 лет назад

when the drain valve doesn't drain, I turn off the supply to the cylinder, open the hot taps so the hot water is drained off to the top of the cylinder. Then loosen the nut at the top of the cylinder that joins the 22mm copper pipe to the cylinder(a small amount of water will run out). Then I pull the pipe out the way and syphon the water out of the cylinder with a hose pipe, the wc or bath is normally pretty close so I just shove the other end of the hose pipe down there.

@Aykay_ 4 года назад

Where is this guy ... i need him to come and change mine

@stevenogrady2230 7 лет назад

sapo Steve bell lad

@mrtreebus 12 лет назад

@plumberparts No need I've done it ;-)

@kazimmohseni3753 9 лет назад

Hi james actually I am looking for part time job can you do for me favour please studying college ..?

@plumberparts 9 лет назад

Kazim Mohseni dude, we aren't taking anyone at this time! Sorry, PP!

@kazimmohseni3753 9 лет назад

It's fine thx..?

@cultusgti Год назад

You still have the same immersion tools since this video all those years ago lol

@plumberparts Год назад

They’ll never leave

@ChrisBeard 7 лет назад

Hola... lol good video though

@nardo1224 12 лет назад

Excellent video, however, for a novice, you actually blocked the shot of testing the circuit with a multimeter to determine that the power was off, someone may meed to see that particular shot!

@jacksonmanwileyman2549 12 лет назад

DONT RUSH IT TAKE YOU TIME AND SHOW US EVERYTHING, ITS INTERSTING BUT U SKIP SOME PARTS NEAR TO THE END GO FULL IN DETAIL AND SHOW US EXACTLY WHAT YOU WOULD DO NEXT, GREAT JOB

@jmaes56 12 лет назад

you forgot to tighten it up!

@Goon10110 3 года назад

1:11 Da fuq ?!? 😂

@TheDickPuller 12 лет назад

@Tabassam86 It's hot water mate, not potable, wouldn't fancy drinking cylinder water??!!.........Yuck!!! But hey, whatever lights yer candle!

@shaun2312 11 лет назад

Hola! lol

@mrtreebus 12 лет назад

You could of just changed the thermostat to save all that work ;-)

@TheDickPuller 12 лет назад

@Tabassam86 Sorry mate you're quite right, it is classed as potable. You know what; that's the second time I've been wrong............in this life time!! It amazing to think it was 2002 I did my Water By-laws, I think I need a refresher.........!!!

@dyspraxicrose3307 8 месяцев назад

But it's just changing the immersion heating element, not the vast tank!

@bosshogjohn 10 лет назад

Total overkill never use jointing compounds or ptfe tape as this is not necessary the fibre washer is all you need to to the job

@lgmckenna1066 10 лет назад

You mustn't have fitted many they just love to leak. So theres a tiny drip you can tear the copper cylinder by over tightening or you can drain the whole thing down again and put on ptfe and boss white.

@anthony342 8 лет назад

+john collins they leak with just the washer .. we been plumbing since the 50s

@craiglivingstone4928 5 лет назад

Done mine at home a good few times. Never once managed to get it leak free without the ptfe tape and joining compounds. There's a lot of pressure on them so they love to leak.

@GrahamDIY 5 лет назад

Agreed. I’ve changed a dozen with no leaks by just using the (new) fibre washer These people who can’t get it to seal without all kinds of crap applied to it can’t be very good plumbers....