Main Combi Boiler 25, 28 , 30 Eco Elite - Expansion Vessel Replacement
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- Опубликовано: 15 окт 2024
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This video shows in detail how I replaced the expansion vessel (10 litre Part #5114692) on my Main Eco 30 Combi boiler. It shows how I replaced the pressure relief valve PRV and the air vent.
The vessel is also used in other combi-boilers such as Potterton Apollo / Heatmax / Promax Gold. Baxi Duo Tec 33 44 HE and many more.
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You Sir are a “star and a scholar” perfect tutorial. Just completed the task as per video about 30 mins ago. Boiler is up and running just monitoring pressure to check for the drop that I was experiencing Pryor to replacing expansion vessel and prv, so far so good 🤝
Thank you so much, it means a lot when my videos are appreciated! Have a great 2022.
I got the exact same issue on same boiler. I have repressurised last week. Will see how long that lasts.
I'm glad to hear you've been successful. If the pressure drops, you could change the schrader valve. If it's not that, it might be a leak at the radiator tails or time for a new vessel. Thanks for your comment and please subscribe.
Denis you are a *STAR* plumbing video maker. I am sooo... grateful i found your amateur easy to follow step by step video. British videos give only badly explained advice and meant to get you to call a plumber. RUclips should delete these fifteen minutes of fame time wqsters. Your accent seemed home counties english until i found i was donating in Canadian dollars on paypal. Thank God for honest Canadian DIYers, I saved £s
Hi Allan, thank you for your comment. Actually, you were correct I am in the UK and I am English. Thank you for making a donation, but I regret to tell you I didn't receive it. I thought I should let you know should you wish stop the payment as it sounds as if it went off to Canada! The link in the description should have worked, not sure what happened. Thanks for your kindness. Keep well.
Hello Denis O`connor, i was going to send a donation again on Paypal but found i was paying in CAD like the last time so i stopped the transaction. Then i saw i am to recieve a refund on 25 Feb. for more than i sent because the exchange rate of the Canadian Dollar vs £ has improved. Have i stumbled on a high finance way of becoming rich ? I think you are worth your weight in copper. Ha Ha
@@allanscott2143 Hi Allan, my name is Matthew. You'd better hang on to your money! Thanks for the thought. Take care. www.paypal.com/paypalme/denbydish
Thanks very much. A most excellent and thorough description of the process. That was much more informative and exact than many of the 'heating engineer' videos. I'm just about to do a Main Combi 24 HE, which is similar, but requires the boiler being taken off the wall. Ugh.
Thank you John for your comment. I hope it worked out for you. Let us know how you got on and if you feel inclined, please subscribe.
@@dembydish I picked up an expansion vessel and a PRV off ebay for £52 including £8 next day delivery. Despite the Main Combi 24 HE manufacturers manual stating that the boiler had to be taken off the wall to replace the expansion vessel, I managed to remove it via the top of the boiler, with the boiler still on the wall. I had 255mm clearance at the top which was just enough. I sorted out a few other issues, and it's now like a new boiler. Thanks again. Subscribed.
Thanks for the tutorial, have always stayed away from repairing / working on expansion vessel & prv but now am confident I can handle the changing of it..
I'm glad I could inspire... and I hope it goes well. Please subscribe if you feel so inclined and good luck Eli.
Thanks. Just replaced my expansion vessel after watching your video. Prices for the part were wild, up to £140, mostly around £65. I got the real "I am" for £37. In and working for 2 days now, took about an hour to complete (lots of phaffing and should I be doing this). Saved myself a few hundred quid. Dam site easier than nursing (normal job).
Hi Steve, I'm glad this video helped you. Greatly support nurses going to work at at this time! Thanks for your comment and please subscribe if you feel inclined. Stay safe.
Hello again, I meant to ask you what boiler model you replacing the vessel in? It may interest/help my other viewers. Thank you.
It was a Baxi Platium 40. I also repaired the diverter valve some time ago. Replaced the Valve cartridge. Then found it was the motor that was at fault so replaced that. Both were easy and cheap to do. seem to remember about £12 each. Maybe worth a video?
Thank you for this video boiler was leaking today saved me money but still going to order an new tank tho
You're welcome. Please subscribe if you feel so inclined. Thank you for your comment.
Excellent video, I have just replaced my expansion vessel after watching this, very informative and clear, doing it myself has saved me a lot of money that I can put towards feeding my family etc during these hard times. Subscribed!
I am very glad to help. We need to watch our pennies as the corporates make fortunes.
Very nicely explained thank u
Great video & job done very well thank you.
If you're not sure about something it's better to call manufacturers support team. Good job mate keep it up
Hello, thanks for uploading this informative video, I feel I'm almost ready to give it a go myself now. Before I do can you please just forgive me of my lack of basic knowledge clarify one point for me. After re assembly and when filling the boiler with the filling loop the air that is now in the boiler escapes via the automatic air vent which will only allow air to escape and not any water, is this correct?
Hello, yes, if the vent is working properly. I'd also recommend bleeding your radiators too at some point after the system has been fixed to expel any air that may have moved into them over time. I am not a professional plumber so if you run into other problems, please seek professional advice. Let me know how you get along. Good luck and thanks for your comment. Please subscribe.
Might have just needed a new schrader valve in the existing vessel. 60 pence and a little car tyre valve body removal tool £2. The PRV can only be tested after you have sorted out the Expansion vessel. Also a warning with this boiler. Parts of the manual are just photo copied from the equivalent Baxi manual.....thing is the PCBs are NOT compatible and the wrong part number is printed in the Main manual. Baxi were no help at all sorting out the resulting mess when I bought the wrong PCB.
I've always wondered just how many pressure expansion vessels (& come to say it Boilers), are sadly laid to rest far to early?
Probably, far to many.
How would i release pressure if there is no filter system on my system
My main 30 seems to be losing a bit of water whenever both heat and hot water in use. I.e. heating on and bath running. If i reach into the boiler from the bottom i can feel its wet on the plate. Note the boiler is not losing any pressure so i know its not the rads. Could it be due to the pressure release valve requiring replacement?
Hello Kerry, it's really just a case of removing the cover to the boiler and observing where the water is coming from. It could be as simple as a leak at a connection which could be tightened up. I'm not really able to diagnose it without looking at it. Water leaking from the pressure relief valve would be on the radiator side of the system and would show some decrease in pressure over time. Best I can do. Thank you for your comment.
@@dembydish hi. Thanks so much for reply. There is no loss in pressure which is odd. Ive kept an eye on over a long period of time to say this. Hence why i think maybe a seal..
I have just uploaded a video. Im not sure if your able to see it as I am new to all this. Thanks
@@dembydish Hi, i have identified the issue. Its the magnetic flow switch/flow turbine.
Having seen your video i am confident enough to have a go at fixing. So thankful as i thought i required a new boiler.
Plan to shut off boiler and shut off all valves to do the job. Would be grateful if you could let me know if this is correct/not correct. Or a better process.
Thanks again. God bless.
Hello. Great video.
I have had problem with my one main eco.
When central heating is on, working well, but if I open hot water tap, then making noise, like squeak, old kettle, boiling water. Any ideas?
All the best 👍
Try replaceing the Domecstic Heat Exchanger. They tend to get blocked after a number of years.
can you recall what diameter the hose was you used to drain the water out plz? I've tried googling it and cant find anything
I just measured it for you, the internal diameter is 8.5mm and external diameter is 10mm. Hope this helps.
But did this fix it? :)
Yep, it has been working well since the replacement. See end of video. Thanks for your comment.
👍
Good video - informative - could save you a couple hundred ££
Hi Adil, thank you for your comment. I hope the process is clear in the video and yes, I saved a lot of money by doing it myself. I hope others will too. Keep well.
to release the pressure on the boiler, simply undo the PRV
What's your gas Safe reg no?
What's that? Your not registered.... shouldn't even be taking the case off.
Yeah, should give my money to you like lot and gas safe. You'll be hard press to part me with my pence. This is not a rocket since, contrary to what you have been told or thought. Thanks OP great video and do not be discouraged by bigots. Love the videos
@@ernestkaczmarczyk bigots? Calm down lad. It's against gas regs. Take yourself to college and then get reassessed every 5 years.
@@ernestkaczmarczyk I believe you meant “rocket science”, science isn’t spelt “since”.
@@gerrosrightboot here it is, money grabbing "lad" praying on regs. Know a lot of you lot overcharging people for simple and only stick to regs with limited knowledge how to help people save money. Regs are design with "safety" in principal as morons put people lives at risk, Regs yelling "lads" like yourself make people ever more dumb and reliant on everything. Now we need loads of equipment to make sure boiler is not energized, where did common sense go?!?!
@@mrbachittarsingh9243 really helpful "lad" here, well done that will help someone with boiler issue. You took a rocket to heart, did we "lad".....