Main / Baxi / Potterton Diverter Valve - How To Service / Repair / Assemble For Hot Water & Heating

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REASONS YOU MIGHT NEED TO SERVICE / REPAIR THE DIVERTER VALVE:
- Your radiators are getting warm whilst using the hot water
- Your boiler is overheating and cutting out when trying to use the heating
- The hot water is not getting as hot as it used to (it's sharing heat with the radiators)
- It's leaking
A simple test to see if your diverter valve could possibly be a problem:
1.) Run your hot water
2.) Put your hand on the central heating flow pipe underneath the boiler
If the flow pipe is getting hot then either your diverter valve is faulty or your plate heat exchanger is blocked and forcing it's self back through the diverter and down the flow pipe.
This video is for these boiler models
MAIN
- Main Combi 24
- Main Combi 24 HE
- Main Combi 30 HE
BAXI
- Baxi Combi 105E
- Baxi Combi 105HE
- Baxi Combi 80 ECO
- Baxi Combi 80 MAXFLUE
- Baxi Combi 80E
POTTERTON
- Potterton Performa 24
- Potterton Performa 24 ECO HE
- Potterton Performa 28
- Potterton Performa 30 HE
& Any similar models I might have forgotten

Опубликовано:

15 фев 2021

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Комментарии : 48

@giovannibellini3028 7 месяцев назад

Thank you for this buddy! It's been brilliant! My DV was leaking so I called my plumber which only changed 1 of the nuts of the round body. A couple of days and £50 after the DV was leaking even worse than before. After I refurbished my DV with your guidance my boiler is now working spot on again! You're a legend!

@Saltysmoke2020 Год назад

You my guy are an absolute legend. Thanks for this. Clear and concise

@dembydish Год назад

Hello, this was very helpful and enabled me to follow along and rebuild my DV for Main Combi 24. I also cleaned up the body's internals as much as possible as I went along with a scouring pad. Many thanks!

@juliebrown3393 2 года назад

Just got to say Thank you. Love your video. It fixed the central heating. My husband bought the kit but wasn't complete. So it's been on and off twice. It worked but hot water only when heating was on. So I bought another complete kit. And everything has been changed now. Andy just putting it back on now. 🤞 Update: Turned it all back on and It's all working like it should do yay! Thanks again Julie

@sadie376 Год назад

I bought a reconditioned 3 way/diverter valve to swap in this time, but will hang onto the old body & replace the internals next time. Cheers!

@alanjones4938 3 года назад

Great videos, with clear instructions, easy to follow each step, made this job snag free having first watched your video on the removal of the valve. Thank you.

@advancedboilertraining 3 года назад

Glad to hear the video helped💪 is there anything else on breakdowns you’d like to see? I’ll see if I can make a vid on it

@alanjones4938 3 года назад

@@advancedboilertraining Thanks for reply and your offer to post other topics. I have to say, as things stand, the breakdowns you have covered so far have sorted all my problems. If that changes, I will let you know, thanks again, great videos.

@lesroberts3226 2 года назад

Absolutely brilliant video. Thank you so much for posting it. I’m doing the same thing next week for the first time in years so it will be a great help. All the best mate 👍

@davidharris8885 Год назад

Great video, thank you for taking the time 👍

@giovannibellini3028 28 дней назад

IMPORTTANT: Do not overtighten all nuts where pins run through, as pins would get stuck and the boiler won't work and will give low pressure/faulty pump error. Apart from this, great video, thank you!

@peterstead694 2 года назад

Great video After watching this feel a lot more confident

@mcginn002 3 года назад

Excellent 👍

@suzycat2026 3 года назад

Wish I lived in your area , or vice versa 😀 Thanks for showing all these kinds of important part changes. 🙂

@advancedboilertraining 3 года назад

That’s all good! Just making videos on the stuff I would’ve wanted to learn when I first started

@suzycat2026 3 года назад

@@advancedboilertraining Great work, keep it up. 🙂

@aaronjepson424 10 месяцев назад

Quality video, i like how you operate 👍

@kevinhancock4064 Год назад

My slightly older model 80he don't have that type diaphram . Great video . Lighting not great but informative

@havvaoksuz9360 Год назад

Güzel anlarım tesekkur ederim

@AnthonyFrancisJones 6 месяцев назад

Brilliant! Just what I needed to know! You did not mention what we need to do with the 'little O-ring at 22:50 Mine is leaking from that nut so I guess a replacement for that O-ring is needed? Any thoughts? Thanks!

@scott1506 Год назад

thanks mate mines just went again after bout 5 years since last repair. boiler was fitted 2006 lol

@jasonwilkinson1156 2 года назад

Excellent videos but before I attempt mine if any e can help my hot water would only work if I had the heating on now only the heating works would this be this valve if so would I after change everything.

@neil1williams Год назад

Hi @advanceboliertraining brilliant video. I have potterton30HE and the plumber has changed the two Thermistor for HW and CH, and the front diaphragm on the DV valve. The problem I get hot/cold/hot/cold/hot etc in the HW when the taps are on, and the pressure jumps half a bar. The HW is also making the CH outlet pipe get hot, it’s the CH Thermistor that then causes the on/off/on/off of the boiler flame. Worked this out by wiring the HW spare Thermistor and leaving it unscrewed from the pipe it, then it stays on. Do you think it’s the DV or a blocked venturi or blocked heat exchange, as he can’t explain the half bar pressure jump. Thanks

@advancedboilertraining Год назад

I would look at the plate heat exchanger first. Sounds like it could be blocked, especially if the CH works fine

@uguzincesu6375 2 года назад

Tenkyou veri mac

@Northeast_Mainiac 2 года назад

I have a Baxi Luna 310 FI, how do I get a rebuild kit for my diverter valve for my boiler? I live in the US

@chandransharmile 2 года назад

Our baxi boiler diverter valve leaking again. We replaced the one with serviced diverter valve. I believe it is 3rd time. Is it worth buying new diverter valve to fix this this issue. Or need to replace the whole boiler. Last time leak cause electric switch to tripped.

@antoniogalluccio4213 7 месяцев назад

So the pressure differential valve acts as the motor right?

@gregorysmith8229 Год назад

I have an issue with my diverter assembly after following this video. Everything seemed to go well, however the CH pin (at the top of the main body) extends but does not retract. I can manually push it back in, but it doesn’t go in on its own when the CH is turned off. This means the microswitch remains pressed and I get a flame failure indicator (main 24 HE). I took the assembly back out again to inspect the diaphragm, pin and chamber and all seems fine! I wonder if the spring supplied in the kit isn’t powerful enough? Or water is maintaining the pressure under the diaphragm? Have you seen this before? Any ideas? Great video though, thank you

@advancedboilertraining Год назад

Yeah a few kits have let me down in the past. Some copy’s are really good and will get the job done, but some copy’s you buy are a little off and cause issues (the pins being a little longer than what they should be, weak springs, etc). If you’re sure you’ve done everything correct then I would look at getting a new repair kit from another supplier

@gregorysmith8229 Год назад

Thanks for the speedy reply! I’m reasonably confident I did everything correctly (though it’s my first time and it not working has me doubting myself). It’s a shame, I threw the old spring away before I realised there was an issue. Can’t seem to buy the spring independently so need to spend another £20 on a whole kit. Are there any sellers you’ve used in particular that you can remember?

@d4ngerous4 Год назад

Do you have to be gas registered for this job, or if confident, are you allowed to do this fix? Cheerz

@advancedboilertraining Год назад

Yeah need to be gas safe to work on any gas appliance

@Razz60 Год назад

Bro i followed all this got the service kit changed the parts but for some reason now when we use the hot water the heating flow pipe gets hot? What do u think?

@advancedboilertraining Год назад

Sounds like a dodgy kit. That’s the only downside to this repair, if the replacement parts are a bad copy then it will give issues. I’ve had this before as well

@Razz60 Год назад

@@advancedboilertraining yes this is what i thought? I think the non return valve part maybe dodgy as its not holding i should of blowed down it when i was assembling oh well we go again get another kit an refit, thanks for the quick reply your videos are brilliant by the way keep them comming, i want to get into boiler breakdowns an by watching your videos help so much

@youtuberkobe9883 Год назад

How do I get in contact with you I'm at the begin of my journey and it would be good help to get some kind of idea we're to go with it all ??

@advancedboilertraining Год назад

Hi mate, contact@advancedboilertraining.co.uk

@colin5064 2 года назад

You left the front nut small rubber oring out on the pressure differential assembly, this needs to be fitted as part of the repair kit

@ivandrozd8262 3 года назад

Hi mate. May I ask you where you based?

@advancedboilertraining 3 года назад

Hi Ivan, based in East London 👍

@khalidkhan-qx2wn 3 года назад

Please can you provide details of the kit, the sealant & grease that you used. Perhaps name and code with the price? I am not sure where to get and what to get exactly. I tried to zoom in but could'nt read the package.

@advancedboilertraining 3 года назад

Main Combi 248061

@advancedboilertraining 3 года назад

You can use any silicone grease you want. This is just the one that came in the pack

@advancedboilertraining 3 года назад

Just be careful when you buy some of these kits as some of the parts in them might be slightly bigger/smaller than the ones you take out of the boiler due to them being bad copies of the set. As you are replacing the parts just compare them to make sure they are the same and you should be good.

@suzycat2026 3 года назад

@@advancedboilertraining Your so helpful & he didn't even reply 💜

@advancedboilertraining 3 года назад

@@suzycat2026 Lool it’s fine, as long as I helped him