unvented

A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane or butane.
Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented.

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  1. C

    Unvented cylinder certificate

    Hi guys I've done my G3 in December as I needed to fit an unvented cylinder in a restaurant. I said to the client to notify BC about the installation. The restaurant is new so BC came around a couple of times for inspection. I said to the owner that they will have to give him the certificate...
    • CP Plumbing
    • Thread
    • america certificate cylinder hot water instalation unvented unvented cylinder usa
    • Replies: 15
    • Forum: USA
  2. D

    Do I need an unvented hot water cylinder?

    Hi there, we are due to have a new shower room built in a loft conversion. We are a family of 5, with one existing bathroom. Will we need to have an unvented hot water system installed to enable the 2 showers to run successfully at the same time? Pressure and flow at house is 2 bars/18 litres...
  3. B

    Vented or Unvented Cylinder

    Hello Would you recommend a vented or unvented cylinder? I have an indirect vented system at the moment. The flow rate from the upstairs taps is low. We are having solar thermal installed and thus the cylinder will be changed. We can have a new vented or unvented cylinder installed. What...
    • blueplanet
    • Thread
    • america cylinder unvented unvented cylinder usa vented
    • Replies: 2
    • Forum: USA
  4. C

    Boiler wattage for use with unvented cylinder

    Hi The gas boiler is getting old and so at some point will need to be replaced and I am trying to calculate what size it needs to be for best efficiency. The system is zoned with Zone 1 being 15KW of radiators, Zone 2 being 10KW of radiators, Zone 3 being a Centerstore Solar 300L unvented hot...
  5. P

    Unvented cylinder inspection

    Hi Lads/lasses just wanted some advice on unvented cylinder inspection. I just took on what seems to be a contract for a block of flats all with direct heating via immersion. The way they have been installed seems a bit off as there is no check valve on the supply to the cylinder. It goes, Stop...
    • Plumb Tidy
    • Thread
    • america cylinder inspection unvented unvented cylinder usa
    • Replies: 20
    • Forum: USA
  6. Husk24

    World Heat unvented Cylinder question

    Hi guys I am having my current cylinder replaced with a World Heat superflow indirect cylinde as im upgrading to solar thermal via a grant. I asked the supplier if they are replacing the immersion heating thermostat and the thermostat thats connects to the boiler and I was told if I want that...
  7. 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...
    • AshleyG
    • Thread
    • advice america cylinder unvented unvented cylinder usa
    • Replies: 9
    • Forum: USA
  8. 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...
  9. 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...
  10. 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
    • america boiler combi combi boiler cylinder unvented unvented cylinder usa
    • Replies: 8
    • Forum: USA
  11. 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
    • america boiler controls cylinder system system boiler thermostat unvented unvented cylinder usa
    • Replies: 3
    • Forum: USA
  12. 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...
    • Benjy
    • Thread
    • america connected cylinder mains really unvented unvented cylinder usa
    • Replies: 11
    • Forum: USA
  13. 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
    • america certificate cylinder hot hot water hot water cylinder qualification unvented usa water
    • Replies: 33
    • Forum: USA
  14. 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.
  15. 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...
  16. 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...
    • rikpal
    • Thread
    • america cylinder electric indirect unvented usa
    • Replies: 5
    • Forum: USA
  17. 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
    • rikpal
    • Thread
    • cylinder cylinders direct unvented unvented cylinder whats
    • Replies: 0
    • Forum: Ireland
  18. 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...
    • steve_e
    • Thread
    • cylinder pipes plastic unvented unvented cylinder
    • Replies: 10
    • Forum: Ireland
  19. 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...
    • midsman
    • Thread
    • america change cylinder hot hot water isolate tap unvented unvented cylinder usa water
    • Replies: 12
    • Forum: USA
  20. 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
    • tomspenny
    • Thread
    • america hot hot water unvented usa water
    • Replies: 2
    • Forum: USA

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