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Author Topic: Combi Boiler Diverter Valve  (Read 2938 times)

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Sir Tigger KC

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Combi Boiler Diverter Valve
« on: 27 January 2018, 16:26:08 »
The boiler in question is a Glow Worm Betacom 24c and it's making a horrible grinding type noise when on hot water.  :o  Nice and quiet on central heating mode though.  :y

I had a plumber look at it a while back and he changed the diverter valve motor but that hasn't made a difference and he reckons it's something to do with the thermostatic bath/shower mixer tap, despite the noise occurring on all the hot taps.  ::)

Yesterday I had another look and the noise seems to be coming from the diverter valve itself.  I popped off the motor and the plunger seems to be a bit sticky. ie it dosn't go in and out smoothly.  I've found a service kit for the diverter valve, which hopefully will do the trick, but I can't find any 'How to' videos etc on how to service the valve.  :-\

It looks straight forward enough, but I'm wondering if any of you guys or girls have done this and have any advice!  ??? TIA!  :y

http://www.ebay.co.uk/itm/Glowworm-Betacom-24c-30c-Diverter-Valve-Service-Repair-Kit/360883374566?epid=1088414023&hash=item54065349e6:g:OfgAAOxy3HJTJZq9
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STEMO

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Re: Combi Boiler Diverter Valve
« Reply #1 on: 27 January 2018, 17:14:04 »
Have you tried hittin it wiv a nammer?
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Sir Tigger KC

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Re: Combi Boiler Diverter Valve
« Reply #2 on: 27 January 2018, 17:36:59 »
I tend to break things wiv gurt big nammers....  :-\
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STEMO

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Re: Combi Boiler Diverter Valve
« Reply #3 on: 27 January 2018, 17:46:09 »
Ah well. That’s me out of ideas  ;D
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Sir Tigger KC

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Re: Combi Boiler Diverter Valve
« Reply #4 on: 27 January 2018, 18:02:22 »
No surprise there then....  ::)

Next up: Lord Opti telling us how he loves a noisy old boiler!  ;D
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STEMO

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Re: Combi Boiler Diverter Valve
« Reply #5 on: 27 January 2018, 18:26:41 »
Quote from: Sir Tigger QC on 27 January 2018, 18:02:22
No surprise there then....  ::)

Next up: Lord Opti telling us how he loves a noisy old boiler!  ;D
Well....Opti and me have had plenty of practice commenting on your numerous kamikaze boilers.  ;D
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Sir Tigger KC

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Re: Combi Boiler Diverter Valve
« Reply #6 on: 27 January 2018, 18:37:29 »
Quote from: STEMO on 27 January 2018, 18:26:41
Quote from: Sir Tigger QC on 27 January 2018, 18:02:22
No surprise there then....  ::)

Next up: Lord Opti telling us how he loves a noisy old boiler!  ;D
Well....Opti and me have had plenty of practice commenting on your numerous kamikaze bunny boilers.  ;D

 ::)  ;D
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Shackeng

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Re: Combi Boiler Diverter Valve
« Reply #7 on: 27 January 2018, 18:54:40 »
I was about to point you to DIYnot Sir Tig, but it seems you have already been there. ::) :y
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Sir Tigger KC

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Re: Combi Boiler Diverter Valve
« Reply #8 on: 27 January 2018, 19:59:20 »
Quote from: Shackeng on 27 January 2018, 18:54:40
I was about to point you to DIYnot Sir Tig, but it seems you have already been there. ::) :y

It's a good site!  :y

In the plumbing section though, you tend to get a lot of plumbers whose advice usually is to get a plumber in!  ::)  ;D
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Shackeng

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Re: Combi Boiler Diverter Valve
« Reply #9 on: 27 January 2018, 22:10:44 »
Quote from: Sir Tigger QC on 27 January 2018, 19:59:20
Quote from: Shackeng on 27 January 2018, 18:54:40
I was about to point you to DIYnot Sir Tig, but it seems you have already been there. ::) :y

It's a good site!  :y

In the plumbing section though, you tend to get a lot of plumbers whose advice usually is to get a plumber in!  ::)  ;D
Yes you have to tread carefully in there, they tend to have a high opinion of themselves, and many plumbers are clearly on there to show off. But the information is there if you can squeeze it out of them. :y
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Kevin Wood

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Re: Combi Boiler Diverter Valve
« Reply #10 on: 28 January 2018, 11:39:49 »
Quote from: Shackeng on 27 January 2018, 22:10:44
Quote from: Sir Tigger QC on 27 January 2018, 19:59:20
Quote from: Shackeng on 27 January 2018, 18:54:40
I was about to point you to DIYnot Sir Tig, but it seems you have already been there. ::) :y

It's a good site!  :y

In the plumbing section though, you tend to get a lot of plumbers whose advice usually is to get a plumber in!  ::)  ;D
Yes you have to tread carefully in there, they tend to have a high opinion of themselves, and many plumbers are clearly on there to show off. But the information is there if you can squeeze it out of them. :y

Yes, fixing boilers is clearly somewhere between rocket science and quantum physics, or so you'd think, reading the responses on that site. ;D
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Sir Tigger KC

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Re: Combi Boiler Diverter Valve
« Reply #11 on: 28 January 2018, 13:32:18 »
Servicing a diverter valve must be part of the dark arts, as I've had no replies on Diynot.com despite 60 odd views and nothing serious from here.  :-\

Guess I'll have to be a 'Have a go hero'!  :)
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TheBoy

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Re: Combi Boiler Diverter Valve
« Reply #12 on: 28 January 2018, 13:34:16 »
Boilers are stupidly simple devices, with stupidly simple wiring.  I suspect plumbers try to keep that simple.


That said, my Potterton locked out again overnight, that's twice in the last 3 months.  Heres hoping there is enough PCB to solder to, as I vaguely recall the last time - probably about 10yrs ago - I was having to rebuild tracks across burnt, disintegrated board.  I suspect it will be a new PCB this time :(
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TheBoy

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Re: Combi Boiler Diverter Valve
« Reply #13 on: 28 January 2018, 13:35:55 »
Quote from: Sir Tigger QC on 28 January 2018, 13:32:18
Servicing a diverter valve must be part of the dark arts, as I've had no replies on Diynot.com despite 60 odd views and nothing serious from here.  :-\

Guess I'll have to be a 'Have a go hero'!  :)
Sorry, only used to external diverters.  In fact, had to replace one a couple of weeks back here, as the previous had started weeping. That's about the 5th one since the house was built in 2001.
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TD

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Re: Combi Boiler Diverter Valve
« Reply #14 on: 28 January 2018, 14:21:58 »
Quote from: TheBoy on 28 January 2018, 13:34:16
Boilers are stupidly simple devices, with stupidly simple wiring.  I suspect plumbers try to keep that simple.


That said, my Potterton locked out again overnight, that's twice in the last 3 months.  Heres hoping there is enough PCB to solder to, as I vaguely recall the last time - probably about 10yrs ago - I was having to rebuild tracks across burnt, disintegrated board.  I suspect it will be a new PCB this time :(

Have you looked inside a new(ish) boiler  :-\

My Vaillant has a huge pcb with another pcb piggy backed onto it, with looms of cable running everywhere ......
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