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unvented cylinder

  1. M

    notifying unvented cylinder

    I don't do enough unvented to justify paying my cps scheme for unvented, does anyone know the procedure for registering direct with building control?
  2. S

    Direct unvented cylinder quote advice

    Hi Currently we've got a vented system in our 2 bed 1 bathroom 1st floor flat, which doesn't produce much flow for our mixer tap shower. I've decided to seek out getting a unvented direct cylinder fitted (electric only property). I've got three quotes and am in a quandary which one to go...
  3. M

    New central heating and HW system, ? Unvented Cylinder - what size, what boiler? Confused! HELP!!

    So I'm new to Internet forums and new to commissioning a new CH system... any help would be greatly appreciated, as I'm pretty confused by all the differing things I've read and been told regarding my current heating dilemma. Background - I've just purchased a large 1900s 4 bed semi with 1...
    • Matt Davies
    • Thread
    • boiler central central heating cylinder heating size system unvented unvented cylinder
    • Replies: 4
    • Forum: Boiler Advice Forum
  4. W

    Unvented cylinder fuse blown?

    Hello, A couple of weeks ago I called out a plumber to change a thermostat since the bottom one (Economy 7) wasn't working. Unfortunately the change hasn't worked and since then (due to cost of calling in the plumber again to sort), I have been using the "Peak" switch for an hour a day to get...
    • wickywills
    • Thread
    • cylinder unvented unvented cylinder
    • Replies: 14
    • Forum: UK Plumbers Forums
  5. C

    unvented cylinder tepid hot water

    HI Guys i had a unvented cylinder fitted onto my existing system boiler some years. The guy that fitted it didnt install an expansion vessel he just left the F+E tank in the loft. so we just have mains pressure hot water while the central heating is an open system. Anyway a month ago hot water...
    • Chris Pugh
    • Thread
    • cylinder hot water unvented unvented cylinder water
    • Replies: 1
    • Forum: Bathroom Advice
  6. Jay The Plumber

    siting an unvented cylinder on sloping floors

    evening folks, im putting an unvented in an old farmhouse in an upstairs room alcove area that will be eventually made into a cupboard. being an old farmhouse, the floor is all over the place, I put a bit of fibreboard down and levelled it but the floor is out in a compound angle and is a real...
  7. P

    Unvented cylinder guarantee.

    Watch out for this one, haven't resolved yet. Put in unvented cylinder for customer who wanted long 25 year guarantee. Cylinder installed as vented as they were willing to pay the extra. 2 years on cylinder develops a leak and customer told by manufactures there is no guarantee as cylinder is...
  8. jaydebruyne

    Unvented cylinder annual service

    what exactly is done in an annual service for an invented cylinder? Other than checking no leaks, immersion elements are ok etc I have my G3 ticket. But don't be fooled, they don't teach you much on the course!!!
  9. Scott_D

    Unvented cylinder maintenance

    Does anyone get involved in maintenance of UV cylinders? Been sent this picture asking if I can have a look as it's leaking Would you bother repairing a it looks to have multiple leaks and generally be in a bad state
  10. J

    Advice needed - Unvented cylinder - Normal or not normal?

    Hello, Having recently bought a new property which has an unvented hot water system installed, I'm just trying to understand what's normal and what's not so normal having had no experience of an unvented system in any of my previous properties. My intrigue/concern really comes from when the...
    • Jimi
    • Thread
    • cylinder unvented unvented cylinder
    • Replies: 11
    • Forum: UK Plumbers Forums
  11. W

    Low cold+hot flow upstairs, unvented cylinder.

    Turned off mains, opened cold and hot side of kitchen tap, both stopped in about 30 seconds. Worked on toilet and changed some tap washers. Turned back on, all good pressure downstairs, hot and cold very poor upstairs. Told her I'm not unvented so can't advise/deal with. But did I do anything...
  12. T

    Plumbing issue need help a worchester bosch system boiler and a joule 250ltr unvented cylinder

    Guys looking for some advice I have a property that we are working on we have the following gnd flr wc kitchen with dishwasher and one basin water softener 1st flr ensuite shower toilet and basin ensuite 2 shower basin bath and toilet 2nd flr shower basin toilet washing machine We have...
    • Tim78
    • Thread
    • boiler bosch cylinder system unvented unvented cylinder
    • Replies: 20
    • Forum: Boiler Advice Forum
  13. K

    Supply to unvented cylinder

    Hi all, I currently have a 15mm mains supply to a unvented cylinder in the loft as the pipe goes under a tiled floor en suite and it was not upgraded during the installation. I am now in a position to upgrade to 22mm but do I have to use a G3 qualified plumber for renewing the 15mm to 22mm...
    • Kus
    • Thread
    • cylinder supply unvented unvented cylinder
    • Replies: 10
    • Forum: UK Plumbers Forums
  14. D

    Vaillant Combi Boiler Unvented Cylinder - Hot water problem

    Hello, I have a Combi Boiler (Vaillant Ecotec Plus 428) and an Unvented Cylinder (Vaillant uniSTOR VIH GB 180s). Since yesterday we have no more hot water in the house, it comes out cold or luke warm. But the heating works fine. When a hot water tap is fully opened, the boiler reads S.30 (no...
    • David505
    • Thread
    • boiler combi combi boiler cylinder hot water unvented unvented cylinder vaillant water
    • Replies: 13
    • Forum: Boiler Advice Forum
  15. B

    Aerocyl plus unvented cylinder

    Hi Guys, just after some advice if someone could help. I have a Aerocyl plus unvented cylinder in my house, Heat pump external (no gas) I have a steady flow of cold water though the pressure relief tundish. Its constant as far as I can tell. Going to call out a plumber tomorrow but in the...
    • bobron
    • Thread
    • cylinder plus unvented unvented cylinder
    • Replies: 3
    • Forum: UK Plumbers Forums
  16. Jay The Plumber

    Santon unvented cylinder nut size?

    about to hook up the flow and return to a santon cylinder that has been fitted for some time and using immersion only, the connections are not with the cylinder anymore, where can I get them?
  17. D

    unvented cylinder

    does anybody know if the unvented cylinder can go in a loft or garage? Any problems with doing so? Also, will my 14 years old boiler work with unvented cylinder or would I need to change the lot? Thanks
    • damaan
    • Thread
    • cylinder unvented unvented cylinder
    • Replies: 10
    • Forum: UK Plumbers Forums
  18. E

    push fit fittings on unvented cylinder

    looked at an install today and the pressurised cylinder cupboard ws completed in push fit. The tundish hadnt been conected yet but wht are peoples views on it. i personally only use copper but am told plastic is ok. Eddie
    • eddiebrown424
    • Thread
    • cylinder fittings unvented unvented cylinder
    • Replies: 4
    • Forum: UK Plumbers Forums
  19. M

    Unvented cylinder problems - Co. Durham

    Ongoing issue thats never been fixed! I am having issues with hot water flowing into the tundish, when the hot water cycle is running, is there anyone that can help?
    • Michaelfrs
    • Thread
    • cylinder unvented unvented cylinder
    • Replies: 1
    • Forum: UK Plumbers Forums
  20. Z

    Unvented cylinder efficiency

    Just decided on new heating system comprising of Vaillant system boiler and the latest Unistor unvented cylinder. The newer Unistor cylinders are B rated however OSO now do an A rated cylinder and was thinking long term the OSO should be a considered option. Going fully Vaillant I understand the...

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