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A100man |
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A100man World Chat Champion
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ZebraDriver |
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ZebraDriver Scooby Slapper
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A100man |
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A100man World Chat Champion
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Islander |
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Islander World Chat Champion
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Polarbear |
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Polarbear Super Spammer
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A100man |
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A100man World Chat Champion
Joined: 19 Aug 2013 Karma :
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Posted: 07:49 - 02 Apr 2022 Post subject: |
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Islander wrote: |
Some of those have a significantly reduced bore. You can get full 15mm bore types that allow full flow. |
Thanks, noted - that fact it worked Ok once makes me think the bore size is not the (whole) problem. ____________________ Now: A100, GT250A, XJ598, FZ750
Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600 |
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A100man |
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A100man World Chat Champion
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Posted: 07:51 - 02 Apr 2022 Post subject: |
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Polarbear wrote: | I've only once in many years of using ball valves seen one fail like that. It was an old type with the ball in a plastic lining rather than seals and the lining turnrd partially in the valve, blocking off some flow.
So, yes, depending on the valve construction it is possible. |
I was thinking along those lines or perhaps some dislodged debris stuck in it..
Cheers ____________________ Now: A100, GT250A, XJ598, FZ750
Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600 |
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WD Forte |
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WD Forte World Chat Champion
Joined: 17 Jun 2010 Karma :
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 01:03 - 03 Apr 2022 Post subject: |
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Electric shower?
They usually have a gauze sock filter on the cold water inlet that can get clogged and massively reduce flow. Had that happen a couple of times with them. Very easy to get at. Remember to isolate the electric before you open it. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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grr666 |
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grr666 Super Spammer
Joined: 16 Jun 2014 Karma :
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Posted: 05:45 - 03 Apr 2022 Post subject: |
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Yes, ball valves can fail/leak. Normally pretty easy to replace, just use the nuts and olives from the old one and a good few
layers of ptfe tape and just replace the guts. In my experience the full bore valves have a lever rather than a slotted head
control and usually aren't chromed. Fine for use in a loft or something but not especially nice to look at if it's on view due
to it's bulky design. ____________________ Currently enjoying products from Ford, Mazda and Yamaha
Ste wrote: Avatars are fine, it's signatures that need turning off. |
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A100man |
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A100man World Chat Champion
Joined: 19 Aug 2013 Karma :
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Posted: 09:51 - 03 Apr 2022 Post subject: |
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Thanks all..
Eventually traced lack of flow to a gate valve further upstream near header tank that 'someone' had turned (almost - but not quite) off.. FFS.
All very ancient pipework with spurious poor quality work additions. Still can't figure out why hot flow was good and cold not..from the same tank. Not sure I can be bothered to investigate further ____________________ Now: A100, GT250A, XJ598, FZ750
Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600 |
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Old Thread Alert!
The last post was made 1 year, 360 days ago. Instead of replying here, would creating a new thread be more useful? |
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