No heating? An easy fix using a switch on the motorised valve

If you have an F and E system (small header tank and hot water cylinder) This is quite often the cause of no heating or hot water.
Saved some money? Click the THANKS BUTTON.
A video showing where the manual switch is and how to replace the motor . Below are the links to buy from Amazon.
Here is the link for just for the motor. amzn.to/30Y4VoF
Here is the link for the head unit. amzn.to/33h7oMG
Here is the link for the complete 3 way valve. amzn.to/2VtIOVZ
Here is the link for a 2 way valve. amzn.to/31WTe31
For plumbing spares visit my Amazon shop at www.amazon.co.u...

[@rawltap]

Thank you so much for this video sir. My radiators weren’t getting hot no matter how much I turned the thermostat up, I even bled them but still no joy. Even had an engineer come out a few days ago and they didn’t fix the issue. So I decided to search KZbin today for a possible solution and landed on your video. Now my radiators are working like a well oiled machine. Thank you so much, my family thanks you. God Bless.

[@dereton33]

You're welcome

[@akikali6707]

Like everyone else, I want to thank you sir for this invaluable information- it’s certainly boosted my confidence. In the past I have tried moving these levers but did so with so much uncertainty and fear of blowing up the boiler or the whole house! However, after watching your video, it’s given me some reassurance and now I know it’s safe to do so. One other thing I noticed is that you’ve taken the time to provide answers to every single post and we salute you for this. What a gentleman- the world needs more people like you🤗

[@dereton33]

Thank you so much.

[@Stephen-kx8fz]

Heating engineer visited this afternoon and replaced the 3 way valve so all is well now thank you. Your advise gave us a temporary fix which kept us and our children warm, so a big thank you.

[@dereton33]

No problem glad it helped you out.

[@ILoveDanFinEri]

Thank you so much for this. I have a condo, and as the winter prep started, we found we had no heat. An electrician/plumber came in and fixed a problem with the thermostat, but there was minimal heat from the rad. I was then informed that I needed to change my zone valve and to bleed the system as I had an airlock. I contacted the folks who did the work and was looking at almost 1 grand of "work" to be shouldered by myself as it's indoor work, so I decided to do some research. Now, all I've done is flip the switch from Auto to Manual as Dereton30 indicated in the video, and taraaaaa! I've got sweet heat flowing at full blast. Nice little gift for the first snowstorm of 2023. THANK YOU!!!

[@dereton33]

No problem.

[@Stephen-kx8fz]

Thank you very much for your video. We had no heating, but did have hot water. I checked the thermostat and boiler without success. After watching this I put the valve into manual and everything is working now. I shall get a professional in to do a replacement repair, but am really thankful that we now have heating again.

[@dereton33]

Yes get the motor change when you can.

[@Stephen-kx8fz]

Small problem. Once the hot water reaches its set temperature. The gas boiler switches off, so no heating again. To keep the heating on I am going to need to run some hot water from the tank every so often

[@georgestewart1983]

This is an excellent presentation which gave me the confidence to fix my motorised valve !! Many thanks for that. (particularly as my pension buys little these days)

[@dereton33]

No problem

[@711honved]

Good stuff Al! Our heating systems always conspire against us at the first sign of cold weather!

[@dereton33]

Yes that does seem to happen every year.

[@fitz5487]

Hi mate, I’ve used your vids loads in the past - (Used one of your videos a few years ago when I had to replace this part in my system). Just fixing a dripping tap in my house and once again a vid from a few years ago showed me exactly what to do. Keep it up! Most valuable channel on KZbin.

[@dereton33]

Thanks Lee.

[@mattfarmer3975]

This has just saved my family from a few days of cold water! Thanks

[@dereton33]

You're welcome!

[@FBAMogul]

Thanks, was trying to set to manual but it was not working...then I saw your video and realised I had to use the notch to fix it to manual...Thanks a bunch!!!

[@dereton33]

You are welcome

[@nicolacamfield8368]

Wow thank you for this. We’ve only had heating if the hot water is on. I’ve tried this and the heating has just come on. Hopefully carry us through until we get it replaced.

[@dereton33]

That`s great.

[@skidmarksnm]

What a lovely man and well explained. This was very helpful thank you

[@dereton33]

You're very welcome!

[@deanobrienphotographer]

Great videos and proper straight forward advice. Thanks

[@dereton33]

No problem.

[@sarahjones5255]

I've had a couple of problems with things an have watched your videos an have fix my issues everytime thank you so much.

[@dereton33]

No problem 👍

[@regplate2923]

My valve has broken altogether so need a heating engineer / plumber but I am glad watched your vid so I don’t get ripped off. I know what the problem is.

[@mattsidebottom7603]

Look at the skill builder video. Its a doddle to change

[@dereton33]

I also have a video on changing these.

[@stevewilliams6191]

Replaced a Sunvic MoMo valve for one of these Honeywell valves earlier in the year thanks to learning from your videos Al. The manual lever function is very useful. 👍👍

[@dereton33]

That`s great, pleased you sorted it ok.

[@denbutch]

Your a genius Al, I am warm again whilst working from home and the kids have one less thing to moan about when home schooling! Just wanted to say thanks, this fix hasn't lifted my spirits, I would love to buy you a pint one day 👍

[@dereton33]

Look forward to it.

[@garymillerlcs]

Great explanation as is the case on your other videos. Great work. Many thanks.

[@dereton33]

You are welcome!

[@michaelcromwell5815]

Thank you,saved me being with out heating all day.top man

[@digu1975]

Thanks a lot mate, this video just saved me today, my home is now warm while we wait for an engineer to attend in the next couple of days, my RD1 kept cutting out after about 30 seconds, so I had no heating but had hot water, thanks a lot, hopefully it’s not too expensive to fix

[@dereton33]

Great to hear!

[@barts3845]

Just want to give you a big thank you, we've had no heating upstairs for 2 weeks. This worked straight away👍 Also nice to see someone on KZbin who speaks clear English, right to the point with no rock music in the background 😁. Can't thank you enough.

[@dereton33]

No problem thanks for watching.

[@James-lu9jf]

Many thanks and keep posting more videos as I've followed you for years

[@dereton33]

Thanks Michael, hope you do not get too bored watching them.

[@James-lu9jf]

Not at all they're very informative!

[@DUBDan28]

Thank you. Your video really helped me last year. I replaced the head. But it looks like the motor has gone again just 14 months later. I have a hive system that controls this on and off around three times a day. I'm not sure it it's that causing motor burn out or if the physical valve is broken. Only 6 years old. But now third motor now.

[@dereton33]

If it is the third motor then the body will need changing. So get a whole new valve.

[@DUBDan28]

@@dereton33 thanks mate. Really appreciate you taking the time to reply. 👍

[@sailingyoumeandjosapea6770]

Thank god for someone like you Thanks so much

[@dereton33]

No problem.

[@unitedfrontiermedia3533]

Genius! Thank you for your help with this and the Link for the part! All the very best to you!

[@dereton33]

You're welcome!

[@eamonhannon1103]

Great well presented explanation .

[@dereton33]

Thanks

[@colinhayes8868]

Excellent explanation and visual strip down.

[@dereton33]

No problem Colin.

[@ara4818]

Thanks for a simple solution, am so glad that have heating with a young baby in the house was a bit worried. Was wondering if I can change the valve motor in situ by just switching mains electricity while I am working or do I need to take it off the T-junction

[@dereton33]

You can just renew the motor on top. Have them in my Amazon shop.

[@mustafahadleigh6861]

Hi Al Just to say thank you for this tip it's only easy when you know how thanks for sharing you knowledge top video.

[@dereton33]

Thanks Mustafa.

[@simonmcallister2769]

Thanks for explaining for the layperson, great video!

[@dereton33]

Glad it was helpful!

[@rostkgb]

excellent explanation, thanks. I am about to do the powerhead replacement

[@dereton33]

Good luck with it.

[@Ldiddy04]

You’ve just helped us get warm again!! THANKS! Is there any chance that if I flick it back to auto it might work again...for a while? Wondering if it’s broken valve or just a bit cloggy?

[@dereton33]

Probably not

[@crackhead9726]

You are a God send my good man thanks for the video

[@dereton33]

No problem

[@BlueEagle1324]

Super clear explanation! Turns out I've already subscribed to your channel

[@dereton33]

Awesome, thank you!

[@kb8570]

Thank you for this video. Very helpful.

[@dereton33]

No problem.

[@l199hbf]

Saved me from a big bill or a cold Christmas. Thanks

[@dereton33]

Glad I could help!

[@DomBurgess]

Hi, great video. I've taken the cover off to see if the motor is opening/closing the valve, however I've waited a while after the hot water is on but can't see the motor close the valve. Should it open and close as soon as the boiler/hot water is turned on and off? Cheers

[@dereton33]

Yes it should.

[@DomBurgess]

@@dereton33 Ok, great, thanks. :)

[@colinkyle7358]

Thanks very much, just got our heat going on a cold night

[@dereton33]

No problem.

[@amegoamego2768]

great explanation very straight forward .. is the same problem if the no hot water coming only heating on ( any time I put hot water only from my boiler comes the heating on with it )

[@dereton33]

Yes.

[@amegoamego2768]

Thank you 👍

[@mojorising27]

Hi - Thank you so much for this helpful video which really helped me out a while back.I was hoping you might be able to help with a quick question please…? I switched my heating off over Christmas and just returned home. I switched on the heating and water only to find that all my radiators were freezing. Tried resetting my Worcester Greenstar which didn’t work so I tried your valve fix. This enabled the bathroom radiator to come on fully (thank you!) but the others are still cold. Grateful for any advice kind sir!

[@dereton33]

Check the pump is not stuck.

[@mojorising27]

@@dereton33 Thanks so much for the prompt reply, very much appreciated. Engineer is here now and pump seems fine. Looks like the valve needs replacing. You’re a legend! x

[@redrum69ms]

Such a fantastic video, thank you. My valves lever has no springiness it just drops down.

[@dereton33]

You're welcome!

[@rayowens2593]

hi, thanks for the great video. i recently had no heating in rads upstairs. i removed the motorized valve and manually opened the valve and the rads began to heat. is it ok to just leave the valve open even when the heating is off. thank you

[@dereton33]

Yes that`s ok.

[@midge486]

Thanks for the video, it answered the question I had brilliantly 👍🏻

[@dereton33]

No problem 👍

[@JohnnyNorfolk]

Thanks so much. I did not realise how straitforward it is. They are trying to remove any self help and make us into helpless fools.

[@dereton33]

That`s about right Johnny,

[@marksneyd1262]

Great video. Another fault of these valves is they turn the boiler on when the timer switch is off making the Orange wire live 240v. So if orange wire has 240v when everything off then swap the head.

[@dereton33]

You are correct. Cheers Mark.

[@grahamtranter3616]

Clear and simple. Great video thanks.

[@dereton33]

You're welcome!

[@dougie7uk]

very good information thanks for that very useful video you have done

[@dereton33]

You are welcome

[@stephenrochester6309]

Brilliant video, thanks! I put the switch into the “V” but doesn’t get heating back. If I manually hold it to the faaaar right the heating does come on only as long as I hold it there. Guessing I have to replace it?

[@dereton33]

Afraid so, When they do not hold, I wedge them with a matchstick.

[@stephenrochester6309]

@@dereton33 Thanks mate!

[@Drewrykitchen]

Brilliant video, I tried you method but the valve doesn’t want to move to the manual side, it just moves to the auto side, please help,, many thanks

[@dereton33]

If you can't switch it to manual then you will need a new valve

[@Drewrykitchen]

@@dereton33 I see! Thank you so much for your help! 😊

[@darkhorse121]

Like everyone here I want to say a big thank you. First time home owner and these kind of things can seem a bit daunting when you are novice! I am going to replace my boiler with a combi in a months time. Can I leave it in manual for a month?

[@dereton33]

Yes that will be ok.

[@humanist2893]

Brilliant explanation and practical video . Thank you ! Just a question about drain down and refill ......do you keep the Three Port Valve locked over to the manual position when refilling the system or do you unlatch it ?

[@dereton33]

Yes and yes

[@richardreardon8919]

Thanks for the video. I'm about to change the head on my 2 zone valve. Should I put the lever in manual (open) position before removing, or does it not matter as long as the new one goes on in the same position?

[@dereton33]

It does not matter as long as the new one goes on the same position.

[@mikericketts7591]

Brilliant Got our Hot Water going until we could get a Plumber out. Thanks.

[@dereton33]

No problem Mike.

[@Princess_20076]

Oh my god you rare such lifesaver thank you. My underfloor heating stopped working wasn't sure what happened to it. One push of lever job done. As easy as you described I'll still get it wrong. Can I keep it manual?

[@dereton33]

Yes you can.

[@foodboi1425]

Top man and another great video. Cheers Al.

[@dereton33]

Thanks 👍

[@eamonhannon1103]

Excellent video !

[@dereton33]

Thank you very much!

[@blitz21]

Thanks mate, having a bit of bother so it’s sorted me out.

[@dereton33]

No problem 👍

[@cliffwebb2017]

Your videos are fantastic. I've had issues with my system - was limping before storm Eunice, then had pilot blown out in storm and getting it working properly since is a pig. Can't tell if boiler getting locked due to diverter or (new) diverter isn't receiving a signal from boiler. Ideas??

[@dereton33]

Best way to check is by using a test meter to see if you are getting power to the boiler.

[@CaptainKirk-ne5zi]

Would a faulty 2-way valve, or an associated faulty motor, cause a loud bang when the central and/or hot water is sequenced either to run or stop? Also, I'm guessing that you can't attach the motor onto the valve upside down, or could you?

[@dereton33]

The loud bang will be a boiler problem. Never fit valve motors upside down.

[@James-lu9jf]

Hi Derick, Great informative video as always and wondered if it's normal for my Danfloss casing to always stay warm even when the boiler is not on. Everything seems to be working ok and the motor is only about 18 months old with little useage

[@dereton33]

Yes it is quite normal Michael.

[@MrTurltastic]

Hi. Great vid. I have 2x valves, one for my central heating (which works fine and boiler fires). The other is for my kitchen UFH. This one turns on via my nest, but boiler doesn't fire, which is why I think the valve may be the issue. However, when I switch to manual as per the video, it doesn't fire the boiler - should it? Would you recommend changing just the head unit, or the valve also? (mine is 2 way valve)

[@dereton33]

It should fire the boiler. Just change the head.

[@jessicamockridge168]

Great video, will this be the same issue for my hot water is heating up radiator? The heating is off but when my water heats up my rads seem to start getting warm.

[@dereton33]

Not for that I am afraid. you will find in this instance that the 3 way valve is not closing the hot water side properly when the heating only is selected. .

[@chrismason6393]

Hi I’ve got an old 1979 heating system Stelrad boiler. There doesn’t appear to be a motorised value fitted. And no room thermostat. I’ve change to a hive thermostat and still have the problem of no heating unless the hot water is on as well. Do you have any suggestions please? This is another great video and I’ve watched other when doing diy plumbing. Thanks chris

[@dereton33]

You have an old system with no way to isolate hot water on with out heating on. You do not have a motorised valve fitted.

[@Colin623]

Can I isolate the power supply to the head without turning the main power supply off to the whole house please ? Great video.

[@dereton33]

There should be a power switch that turns the boiler off which will turn the power to the valve off.

[@usamamaood9197]

Hi Great Video. I have some queries if you could please answer. I have both heating and hot water. What would happen if it is on auto mode? What setting should it be on if i want heating only or hot water only. Will it close the valve for hot water side if the hot water temperature has been achieved?

[@dereton33]

Auto will allow you to have just hot water or heating, or both.

[@usamamaood9197]

@@dereton33 Thanks. So in manual mode will it be heating + hot water both? Also if my temperature of hot water tank is achieved will it close that side automatically and run heating only?

[@georgewright8323]

Thanks for the fantastic video. I’ve got no hot water unless the CH fires up. I have 2x 2-port valves beside the HW cylinder . One of them is warm to the touch so I’m guessing that is the one for HW. I went to set it to Manual to find it already jammed in manual (I can’t move it to auto). Is this still a motor box change? Thanks in advance!

[@georgewright8323]

I should add that the other valve (not warm to touch) is on auto, but I'm guessing from a previous comment that this is not the one that operated the HW

[@dereton33]

The one that works the hot water is on a pipe that leads into the hot water cylinder, more than likely the one warm to the touch, jammed on, try just changing the motor first.

[@Gracieocallaghan]

Hi - don’t mind account (using my daughters) do I need to drain the system if I’m changing the motor and the 2 port piece also? If so, how? I’m ordering full piece with 2 port piece from your store. By the way, I have a Siemens DVA2/5 s same thing? Thanks Eoin

[@dereton33]

You will have to drain down if you are renewing the entire thing. If it was just the motor on top then you do not need to drain anything. The Siemens is the same type. To drain out look for a drain valve on the lower floors.

[@abloke7212]

Thanks for the excellent explanation of the motorised valve. My CENTER valve is making a continuous tapping noise. I moved the lever to manual. It made no sound when I moved it and had no resistance. The lever is down fully but will not clip into place. My central heating is set on at the controller and is working. My hot water is off at the controller but the water is hot. So i assume the valve is open. But the motor or something is tapping away. Any ideas?

[@abloke7212]

Wnen radiators were hot and house warm, I tried switching lever back to Auto and switched Hot Water on again at the controller. The tapping stopped immediately. Then, after a few minutes it started again. So, switched HW off and moved lever back to manual. Still tapping away!

[@dereton33]

Motorised valve fault.

[@richardfawcett1987]

great vid thanks that will save me a lot of money for an easy fix Could you do one for the main circulation pump change as well please

[@dereton33]

Ok will do Richard.

[@BharatPatel-gv6dg]

We have no hot water but the central heating is working. when I try to push the lever, it comes back to it's original position. Is it how it is supposed to be? Can I put this lever to manual to gain access to hot water and then call out an engineer to check the motor etc? What is your recommendation? Thank you for your time to answer our comment.

[@dereton33]

You must lock the lever up into the V slot in the aluminium cover, or it will return to auto.

[@mrc9425]

Really helpful- thanks for uploading!

[@dereton33]

No problem!

[@TheLakesUk]

Brilliant Information, Can i check my issue with you? We have a 2 way valve next to the hot water tank. Think i am correct that when the system is off and it isnt energised that there is the resistance when moving from auto to manual. With the hot water & heating on, the lever is loose? Before we put the heating on, we started to see some radiators coming on and getting warm. Now we have put the heating on as it is getting colder, i am finding that the radiators are getting hot but the hot water is only getting warm. Is this happening because of the valve, or another issue? I will try just putting the valve on the Manual setting for tonight, see if it solves the issue and then look to replace it. Any guidance greatly appreciated..

[@dereton33]

This is more than likely a balance problem, the heating is stealing all the boilers heat, but do try the valve in manual in case it is not opening fully.

[@dermotkelly6946]

Thank you for this video , if you can help me I would be very great full, I have a 3 way Drayton motorised valve it seems to work ok but when I have the heating on in the evening and then turn the heating of from the room thermostat the heating will not turn of . I then have to go to the airing cupboard and switch the power of the motorised valve for a few seconds and I then hear a “ rewinding “ noise coming from the valve , do I need a new motorised valve or is it a possible a maintenance issue if I remove the valve and clean and inspect . The lever on the side of the valve seems very loose to the touch . Thank you for your time , Regards, Dermot Kelly .

[@dereton33]

Hi Dermot, best just to renew the valve.

[@dermotkelly6946]

Thank you very much 👍

[@deepdiver51]

Thank you so much for this. My three way valve was buzzing after the timer switched everything off and so I replaced the valve using your instructions to the T. I switched the old one to Manual before removing and put the new one to Manual before installing and then returning it to Auto. I now have a problem with the heating coming on with the hot water even though the heating is set to “Off”. I have checked the wiring and everything is in the right place. Any ideas, please?

[@dereton33]

The body of the valve is gone, you will need to replace the whole valve not just the motor.

[@deepdiver51]

Thank you very much for that. Your videos are so good.

[@charlottemoore6771]

Hello, I've got two of these, I believe it is the two valve ones. Do I set both of these to manual? Or do I need only a certain one set to it. Thank you!

[@dereton33]

You only need to set one, it is the one that does not feed into the hot water tank.

[@njr9017]

Hi, thanks for such an informative video. This has helped me enormously in tracing an issue with my central heating. May I ask you one question? I have a 2 way valve that controls the downstairs underfloor heating. Isn’t firing up the boiler - I’ve checked the switch and it correctly seems to have opened up with load. if I turn the load off it then has resistance, so I’m assuming that part of the valve has worked. Is there part of this valve that then signals the boiler to fire up? Thanks very much in advance!

[@dereton33]

There is a microswitch in there that could have failed, but if the valve is not spring returning it then that may be the problem. Whatever a new valve is the best answer.

[@njr9017]

@@dereton33 thank you sir

[@michaelwyse3714]

Hi. Thanks for the video! Got the downstairs rads on now. I have 3 x two way valves (upstairs, water, downstairs). When the faulty downstairs valve is manually opened it continues to run the boiler rather than the boiler following the timer so I have to turn it off manually to stop it continually being on. One timer is for water and downstairs valves and other for upstairs valve. Would this be a valve motor issue or timer issue? The water valve still works. Thanks in advance

[@dereton33]

It will be the valve microswitch.

[@tomaszbodz1913]

Hi thanks for the wideo, When valve 3 port is set to central heating it is all the time a hot motor and there is a soft noise coming from it, this is good? How do I change to heating water everything is ok

[@dereton33]

Just set your programmer to hot water, the valve will move to send the hot water into the tank.

[@tomaszbodz1913]

@@dereton33 Yes I know but why as it is set to central heating motor is hot all the time?

[@otisnylon]

Great video and a total lifesaver! Quick question....I removed the square cover from the unit and the round cover off the motor to discover that the flywheel on the outside was spinning freely and making a weird noise! Its a 3 -way device. I had previously switched to "manual" due to lack of heating as you advised and it worked for a bit but then was a bit stop start - I'm guessing the unit is completely useless, does that sound the case? Cheers and keep up the good work!

[@otisnylon]

Hmmmm. ... now the pump light has gone out!

[@dereton33]

That we be due to the valve micro switch being broken along with the valve.

[@TheCircleCreativeMedia]

Our heating system stopped working and we got an engineer out. He quoted us for a new thermostat and receiver, and a new motorised valve head. Quote was for £660. I tried switching the valve heads to manual and the heating came on. I then tested whether the thermostat worked properly and it does, heating comes on when I turn it up, and goes off when I turn it down to room temp. I suspect this means we only need the valve heads sorting, not the thermostat and receiver? Thanks

[@dereton33]

It does.

[@TheCircleCreativeMedia]

@@dereton33 thank you

[@dannymactheatreoflife.1771]

Great video thanks 👍

[@dereton33]

No problem 👍

[@monkfish14]

Thanks for the video, what does this motor do? I'm trying to increase the water pressure to my hot taps and noticed the switch moves freely and when pushed to manual won't slowly move back to auto. I can move it to where I like and it stays there. Is this normal?

[@dereton33]

You will not increase any pressure to the hot taps with this motor. It is purely to direct water flow to either the hot water tank or the heating or both. The motor valve is quite normal.

[@lumen8721]

Thank you for the greet video! My heating is always on when hot water turns on even in the summer. Is this a 3 way valve issue too?

[@dereton33]

Yes

[@conorryan5]

Great video!! Similar problem.I have a sunvic 2701 motorised 3port valve when I turn on the rads on my electric heating panel nothing happens but when I turn on hot water both rads and hot water comes on together working off the thermostat in the hot water cylinder. Is the an valve issue.

[@lumen8721]

It was faulty actuator on the 3 way valve. All working now once replaced. Thank you all.

[@stuartsinclair6269]

Hi there, love your videos.... Got a question about a 3 way diverter. Now the customer says it use to work with hot water and heating on at the same time. It works singly, one of the other, but the problem is the hotwater doesn’t work on the ON function it only works on the once function. The heating is ok, works on any function. What’s the actual problem with this diverter. Thanks for reading.... feedback welcome, Thankyou.

[@dereton33]

This sounds more like a programmer problem. If both work on continuous then the valve is fine.

[@stuartsinclair6269]

Ok my friend, will check it thanks for the feedback.

[@pb9926]

Well done Al 👍👍👍👍

[@dereton33]

Thanks PB.

[@conorryan5]

Great video!! Similar problem.I have a sunvic 2701 motorised 3port valve when I turn on the rads on my electric heating panel nothing happens but when I turn on hot water both rads and hot water comes on together working off the thermostat in the hot water cylinder. Is the an valve issue

[@dereton33]

Yes 3 way valve faulty.

[@conorryan5]

@@dereton33 thanks I'll let you know how it goes

[@conorryan5]

I finally received my purchase from eBay. I replaced the 3port sunvic motorised valve. Now on my eph r27 control is still turning on both together hot water and rads together. I have joined live and #3 together on the back of the control panel and it lights up the boiler turning on both rads + hot water when I joined Live and #4 together nothing happens any suggestions. (Could this be a wiring issue?)

[@dw1604dw]

I have heating but no Hot water (hot water works when i turn on the electric immersion heater but when that is off the gas is not heating the hot water) Pushing the valve to manual seems to have solved the issue.. but is there an issue leaving it permanently on manual?

[@dereton33]

No just that you have to have hot water on with it.

[@markgray01]

Brilliant. Many thanks.

[@dereton33]

You are welcome!

[@jonathanjedi640]

Thank you ...your a star.

[@dereton33]

No problem.

[@rockyhudson]

Does that mean if you have the valve open, the heating and hot water are on constant? Or is that still controlled by the electrical panel?

[@dereton33]

They wiil be on constant

[@colinstokes397]

Thanks for the video it worked

[@dereton33]

No problem 👍

[@jimmygrundy9349]

If I remove the head will any water come from underneath also do I have to drain the system first thanks Jim

[@dereton33]

No the head is ok to remove unless it is a real old model.

[@jimmygrundy9349]

@@dereton33 Thanks it is an old model should I do something different ?

[@CNGTunes]

I have a hot water issue. Central heating works fine. But hot water on its own won't come on (I.e. Boiler won't fire up and pump start), however does seem to heat up the water when the central heating is also on (as the central heating does fire up the boiler and pump) I have two 2-way valves. The one for the central heating has no resistance on the lever, doesn't make the whirring noise as you move it to manually open. I'm guessing central heating is stuck on open. So when only hot water is on the system is getting confirmation that central heating is shut and hot water is open to allow pump and boiler to start. Does this sound correct? And replacing the central heating 2 way valve should fix it? Any advice appreciated

[@dereton33]

Personally I would replace both valves.

[@christopherguest964]

Thanks

[@dereton33]

Thank you very much Chris.

[@dezzzbent1552]

Hello sir I was washing my sons hands earlier and the water was hot but then about an hour later went to go shower and it was nothing but cold water now I have a valve like this in my furnace but it’s say auto on the left and open on the right and it’s a Combi should I try what you showed in this video or call someone

[@dereton33]

It is still worth a go.

[@Marius-eu8dh]

Bless you! Thanks so much!

[@dereton33]

You're welcome!

[@rw3078]

Hello, thanks for the video. Ours has failed in stages, first no hot water but heating worked, then heating packed in, but we still have heating upstairs controlled by a separate thermostat. I have 3 motorised valves in the airing cupboard, one labelled ‘Up - upstairs I’m guessing - ‘D’ - downstairs and then one on top of a pipe feeding into the tank. I have moved the lever on the D - downstairs one to manual open. But the boiler still isn’t firing when selecting +1 hour for heating or hot water or both together. In fact when both together the thermostat just flashes and clicks on and off. We have Honeywell thermo and a logic 15 boiler. Any ideas? Should I switch all 3 boxes to manual open? Thanks in advance

[@dereton33]

You can try that, by I expect the micro switches in the downstairs motorised valve may be gone. When in manual make sure the boiler stat is switched high.

[@chrisshaw1243]

Hi, I have this valve and my heating is constantly on even with the thermostat on 0, I have to turn the boiler off to turn off the heating. When I move the lever there is no spring or any resistance, is it stuffed ? Thanks in advance for help

[@dereton33]

Most likely yes.

[@MegaVinny73]

Hi there. I've got hot water and hot radiators upstairs. All cold downstairs accept the downstairs toilet which is almost directly below the tank and this valve. On this valve, the lever was in the center. I've moved it to auto and manual but it's very loose, no resistance or noise moving the lever. It's hot the unit, so possibly burnt out? Only confusing part is have hot water and hot rads upstairs. All but one cold downstairs. Is it this valve?

[@dereton33]

Check the heating pump first, if that is ok, then yes renew the motorised valve.

[@MegaVinny73]

@@dereton33 thanks for the response. Will check in that order.

[@burratha]

Thanks for this info. Looks like the motor in mine is burnt out - the lever is loose, so I assume it’s stuck open. I’ve called the engineer.

[@dereton33]

You can just get the motor on top and renew it yourself.

[@burratha]

dereton33 cheers - however by the time the part will arrive, the engineer could have sorted it. We pay for boiler cover, so it should be covered. Thanks for the info though