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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. J

    Plumber or electrician to replace new timer switch Unvented cylinder

    Replace the current E7 Newlec Economy control to a mechanical 24 hour timer switch for unvented cylinder water heater, may I know if I ask plumber or electrician to do this job. Because Newlec Economy controller can heat up water once a day in midnight .I would require constant hot water in...
    • Jan2238
    • Thread
    • america cylinder electrician new plumber replace switch timer unvented unvented cylinder usa
    • Replies: 3
    • Forum: USA
  2. E

    Leaking Unvented Hot Water Cylinder

    Hi, I've got an unvented hot water cylinder with a leaking pipe. The job is in a residential property in pontefract.
  3. D

    Unvented cylinder location

    Hi all, I have a fairly large property (6 bed 4 storey victorian) and when we moved in the pre-historic boiler broke down and it resided in its own boiler room attached to the kitchen. It broke down in November 19 and had a nightmare getting anyone to fix it but they said it was unrepairable as...
    • Dan_boiler
    • Thread
    • america cylinder location unvented unvented cylinder usa
    • Replies: 2
    • Forum: USA
  4. S

    New Gledhill Stainless Lite Indirect Unvented alarming popping noises.

    Happy Christmas everyone, We’ve just had a new Gledhill Stainless Lite indirect unvented cylinder installed by Dyno. It is making an alarmingly loud popping noises when the hot water is being used, not always but very very often. Mentally to me, it seems like the inner casing of the cylinder...
    • samba1
    • Thread
    • america gledhill indirect new noises stainless unvented usa
    • Replies: 57
    • Forum: USA
  5. J

    Unvented cylinder installed but no G3 qualification

    I had an unvented cylinder (and gas boiler) installed by a Gas Safe Register engineer. He later informed Gas Safe Register which issued me a gas certificate. But Gas Safe Register told me I should have a Building Regulation Certificate for unvented cylinder installation. But the gas engineer...
    • Jurgenjay
    • Thread
    • america cylinder installed qualification unvented unvented cylinder usa
    • Replies: 27
    • Forum: USA
  6. J

    Advice on Install a new Electric Shower (currently unvented cylinder)

    Advice on Install a new Electric Shower for shower cubicle and keep using the unvented cylinder water heater for bathtub I have an Unvented Cylinder Water heater 125 litre (MegaFlo) in an apartment of ( 15 years old) Currently it is not really capable of delivering enough hot water for more...
    • Jan2238
    • Thread
    • advice america cylinder electric electric shower install new shower unvented unvented cylinder usa
    • Replies: 11
    • Forum: USA
  7. J

    Tundish in unvented cylinder system throwing lots of hot water away

    We’ve had some issues with our boiler system making loud noises recently which sound like a bath being filled when you’re sat downstairs. Upon inspection of the cylinder upstairs (boiler is downstairs), we can see lots of hot water coming out of the tank through the tundish and we have no idea...
    • James Reeves
    • Thread
    • america cylinder hot hot water system tundish unvented unvented cylinder usa water
    • Replies: 2
    • Forum: USA
  8. R

    High gain unvented cylinder

    Hi there I am looking at changing my vented cylinder to an unvented 210L. I currently have a 30kw system boiler which I would like to continue using with the new cylinder. Looking at the various manufacturers of unvented cylinders, I see some of them have ‘high gain’ versions, such as Joule...
    • rk1655
    • Thread
    • america cylinder high unvented unvented cylinder usa
    • Replies: 4
    • Forum: USA
  9. N

    Unvented cylinder pressure issues

    Hi, I am having issues with an unvented water cylinder and just wanted to double check something. About a week ago I noticed that when the system was turned on there was a dripping coming from the prv and pressure rose to around 4.5 bar. As soon as a toilet was flushed or tap was run the...
    • Newbie234
    • Thread
    • america cylinder issues pressure unvented unvented cylinder usa
    • Replies: 3
    • Forum: USA
  10. J

    Installed Unvented cylinder will cause water pressure high?

    Dear all, I recently got a gas engineer installed a new boiler and an unvented cylinder & expansion vessel in my house, replaced the old boiler, vented cylinder and water tanks in loft. Just after a month of installation, last week, the house lost hot water, it was because the cylinder...
    • Jurgenjay
    • Thread
    • america cause cylinder high installed pressure unvented unvented cylinder usa water water pressure
    • Replies: 16
    • Forum: USA
  11. M

    Unvented cylinder problems - over pressure or faulty expansion tank?

    Hi, New to this forum and also complete novice who knows pretty much nothing about plumbing. However I have done quite some google searching trying to find some answers. I live in a 1st floor flat which uses an electric duel element direct unvented water heater cylinder (150 litres). Recently I...
    • MrJack2021
    • Thread
    • america cylinder expansion faulty pressure problems tank unvented unvented cylinder usa
    • Replies: 5
    • Forum: USA
  12. N

    Unvented indirect with low pressure mains

    Hi, I live in a 9yr old 3 story townhouse with showers on the 1st and 2nd floor, a bath on the 1st and toilets and basins on all three floors. I've never been very happy with my shower and tap water pressures but have only recently investigated the issue. The house has an unvented indirect...
    • nicolewells
    • Thread
    • america indirect low pressure mains mains water pressure pressure unvented unvented cylinder usa
    • Replies: 2
    • Forum: USA
  13. D

    How long should I be heating my unvented cylinder

    Hi All, I have a tempest 360litre cylinder with a Ecotec 637 (37kw) all tucked away in the loft. I currently heat it for an 1.30 at 7 a.m. in the morning and then for 3 hours at 6pm till 9pm I actually wasn't sure this is the best way to heat it as I've read you should leave it for 6 hours...
    • dwaindigital
    • Thread
    • america central heating system cylinder heating should unvented unvented cylinder usa
    • Replies: 5
    • Forum: USA
  14. B

    Anyone used Ferroli 50l unvented, any good?

    I’m talking about the wall mounted water in/out at the bottom, small unvented cylinders. I have used Hyco 50l powerflow unvented, they come with all the controls for just under 400. Anyone have experience of Ferroli SEV 50 l unvented as they seem quite a lot cheaper, 240.
    • Ben-gee
    • Thread
    • america anyone ferroli unvented usa
    • Replies: 1
    • Forum: USA
  15. D

    Megaflo Unvented Air Gap Recharge Water Doesn't Stop

    I have a megaflo unvented cylinder on the first floor of my property and I am trying to recharge the air gap. I have turned off the incoming cold mains valve upstream (and right next to) the pressure regulating valve and then opened the hot water taps at the lowest point in the house. The...
    • danielson
    • Thread
    • air america doesn't gap megaflo unvented usa water
    • Replies: 11
    • Forum: USA
  16. S

    Direct unvented cylinder

    Hi having trouble finding a local plumber to fit a direct unvented cylinder. Advertised on 3 board's but with no response. I have posted a budget of £1000 is this too low? This is for hot water only not heating. Kevin
    • Spence1412
    • Thread
    • america cylinder direct unvented unvented cylinder usa
    • Replies: 5
    • Forum: USA
  17. S

    Joule Unvented 300lt Cyclone, 2 Heatrod Immersions with Cotherm TSE T115s, and a Codice 542791

    Heno here. From Ireland. I'm a marine sparks but that doesn't qualify in any way to deal with electric and water. Pleasure to meet you all. I know the title of my 1st post might be moderated but I couldn't shorten it. I've a Joule 300lt Cyclone tank. It has 2 Heatrod immersions with a Cotherm...
    • Suspect Device
    • Thread
    • america immersions joule unvented usa
    • Replies: 10
    • Forum: USA
  18. B

    unvented hot water cylinder in a roof space of a two storey house

    unvented hot water cylinder in a roof space of a two storey house in an existing property what is best option for discharge pipe to terminate.It will be 22mm copper but didn't want to run it all the way down the back of the house to ground level if possible.
    • Benny2513
    • Thread
    • america cylinder hot hot water hot water cylinder house roof space unvented usa water
    • Replies: 1
    • Forum: USA
  19. H

    Changing bath mixer tap on Unvented System?

    Good Evening all, hope everyone is well. Im not long out of my time so go gentle please lol. I have the job of replacing bath mixer tap (no isolation valves fitted under bath). It has an unvented cylinder installed. Is it just a case of isolating mains water, opening taps to drain water out of...
    • Hopeflow
    • Thread
    • america bath changing mixer mixer tap system tap unvented usa
    • Replies: 8
    • Forum: USA
  20. J

    Retro-fitting balanced cold on an unvented - query

    Hi all, fairly new to G3 work as recently certified (!). Done a couple of installs from scratch, all good. Job here is to retro-fit a balanced cold circuit from a Gledhill unvented to a recently refurbed bathroom that now has all mixers (apart obviously the toilet). Cylinder has Reliance...
    • jonesjw
    • Thread
    • america balanced cold query unvented usa
    • Replies: 2
    • Forum: USA
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