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unvented

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  1. A

    Unvented Cylinder Advice

    Hi, I'm an Electrician by trade. I've just moved into a New Build flat, where there is no Gas. I have a water cylinder named ThermaQ Evocyl that has two immersion heaters. When I moved in they told me to keep the bottom immersion on all the time and use the top immersion if I needed more hot...
  2. I

    G3 Unvented cylinder installer req Wakefield area

    Hi, Looking at getting a new boiler with an unvented cylinder fitted. Our current system is an old gravity fed. Flow rate is 20l with a 1.5 bar. Its a 4 bedroom house with 2 bathrooms and 9 rads with an additional 3 rooms in the loft sometime in the future . Our first floor bathroom is very...
  3. Christopher buzzard

    Santon unvented cylinder.

    hi G3 qualified but unsure how to join the private forum. Just didn’t want to post in the public forum. santon 210 indirect with low pressure at the outlets and a banging noise. Changed the combination valve which sorted the pressure drop issue but the noise persists. Static pressure is 4.5...
  4. J

    Unvented cylinder and Combi Boiler

    HI guys We currently have an Glowworm Ultracom 38CXI. It currently serves 3 bedrooms and 2 bathrooms, one with an electric shower, the other with a thermostatic shower mixer. Our house has 17 radiators (it is a fairly large house). We are planning to add an extension to the house, it will be a...
    • JAY123
    • Thread
    • boiler combi combi boiler cylinder unvented unvented cylinder
    • Replies: 8
    • Forum: Boilers
  5. M

    Best control/thermostat for system boiler with unvented cylinder

    Hi all, Looking to convert combi boiler to system boiler with an unvented cylinder. What models do people reccomend for controls/thermostats? The way we use the house we dont really need a smart one, my mother who lives in the property is elderly so want it to be easy to use. I am thinking...
    • Me9141
    • Thread
    • boiler control cylinder system thermostat unvented unvented cylinder
    • Replies: 3
    • Forum: Boilers
  6. B

    Does an unvented cylinder really have to be connected to the mains?

    This is my first post on the forum... but I've been around a while, lurking. Hello! I'm hoping someone can advise me with a question about unvented cylinders. I'm told they must be connected to the mains and can't be gravity fed, but I'm having trouble understanding why... if the pressure and...
  7. G

    G3 qualification and unvented hot water cylinder certificate

    Hi, I've had a boiler and unvented pressurised hot water cylinder installed. I have received the Gas Safe certificate for my boiler install but nothing for the cylinder. I've been in touch with the plumber and he says he doesn't apply for that for customers and I would have to do it myself. Is...
    • GC2
    • Thread
    • cylinder hot water unvented water water cylinder
    • Replies: 33
    • Forum: UK Plumbers Forums
  8. V

    G3 Plumber wanted for Direct Unvented like for likish replacement in Manchester

    Looking a reasonably priced plumber to replace unvented hot water like for like in second floor flat. Please message for details or to quote please.
  9. M

    WANTED - Plumber in the Greater Manchester/Rochdale area - Combi to Unvented System conversion

    Hi all, Hope you are well. Looking for someone to convert a combi system to an unvented system. Also, at the same time renew the cold feed from a 15mm to 22mm to the tank, install 1 new radiator, and replace 5 existing radiators. The new boiler will replace the existing boiler in a reception...
  10. R

    Can an unvented indirect cylinder be used just on electric?

    I'm looking at getting an unvented cylinder fitted as i'm redoing the bathroom, at the moment its a direct system, but next year I'm looking to swap to an airsource heat pump. Can a high efficiency indurect cylinder be used as a direct one i.e add 2 elements,. Just so i can th en plumb in the...
  11. R

    Unvented direct cylinders, whats the best?

    Looking at getting an unvented cylinder fitted, looking for any feed back on the diffrent brands, good bad etc. Thanks
  12. S

    Plastic pipes to/from unvented cylinder.

    Good afternoon, We are looking to buy a property but having looked in the loft I noticed that push fit has been used on most of the connections on the unvented cylinder. Mixed views so far on whether this is OK so looking for some advice on whether I need this inspected further before we...
  13. Scott_D

    pricing question - direct unvented

    What would you guys charge to change a thermal store for a direct unvented cylinder? Assuming you there is a suitable discharge pipe near by 1605558645
  14. M

    How to isolate hot water from unvented cylinder to change tap

    Hello all, To start off I'm not g3 qualified. I have been reading around about unvented cylinders imploding in some situations when cold water to them is isolated and hot water tap is opened, often in an attempt to reduce the pressure in the system to carry out some repair on a hot water...
  15. T

    Unvented Hot water tickets

    Hi everyone I have my Unvented Hot Water course at the end of month just wondering if anyone on here has done the course and what I can expect on the day? Many thanks Tom
  16. Scott_D

    Direct unvented timers

    Should both immersions on a direct unvented cylinder have a timer? Any suggestions for good quality easy to use items?
  17. T

    Unvented cylinder discharge pipe location

    I posted a year or so back about the total messed up install I had of an unvented system. I can finally get this resolved. I’m having the cylinder moved from the loft into the airing cupboard. At present the discharge pipe runs down the outside side of the house from the loft. Due to the move...
  18. J

    Changing unvented cylinder immersion element

    Hi all, I"ve got my G3 unvented. Customer wants an immersion element changing. Access is limited - once I get into the cupboard, and I do my electrical tests it hopefully might just be the stat that needs swapping. However, if it is the element... words of advice and tips would be...
  19. M

    System boiler fit to unvented cylinder

    My friends dad had a system boiler installed in replacment of an old floor standing boiler. The unvented cylinder is right next to the boiler. The firm has fitted the system boiler. But ignored the fact the pressure relief is dripping on the cylinder. As the expansion vessel has lost its charge...
    • Matt0029
    • Thread
    • boiler cylinder system unvented unvented cylinder
    • Replies: 7
    • Forum: Boilers
  20. H

    Isolate hot water in unvented pressurised system

    Hi, I need to turn off hot water in bathroom. There are no isolation valves from unvented indirect pressurised tank in loft. Turning off mains to house stops hot and cold water upstairs, but the hot in kitchen still continues to run (but at reduced pressure). But when I turn mains back on...
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