unvented cylinder | Page 7

Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

unvented cylinder

Recent contents Top users
  1. Stants

    Pipe size for unvented cylinder and boiler

    hi I have an issue with running pipes ( the route )for a boiler and and unvented cylinder 1 can you combine bother together ( t one into the other) 2 if so what s the minimum pipe size for both ? As I have to either go over , under or dare I say through a steel .... it's in a loft Con Thanks
    • Stants
    • Thread
    • boiler cylinder pipe size unvented unvented cylinder
    • Replies: 12
    • Forum: Boilers
  2. K

    HELP: Pressurised/Unvented cylinder - No hot water, central heating works fine

    Problem: No hot water from unvented cylinder, although central heating works fine. Hi All - apologies for the lengthy post but I'm keen to get across as much detail as possible. I'm a novice, any advise would be really appreciated. Setup: Pressurised/unvented cylinder (Tempest) System Boiler...
    • KingK
    • Thread
    • central central heating cylinder heating hot water unvented unvented cylinder water
    • Replies: 30
    • Forum: Central Heating Forum
  3. Inverness

    advise on flow and return points unvented cylinder compared to the height of the header tank

    Hi guys, before I go ahead and install a indirect cylinder. The problem is in the loft where the flow and return points on the cylinder are similar height less than 0.1 bar to the header tank. I'm worried about there might not be enough head from the top of header tank to the flow going into...
  4. X

    How to drain only hot and cold feed to a bathroom which is on a drop from an Unvented cylinder.

    The system has an unvented hot water cylinder which heats the water upstairs (via an immersion heater) and I need to drain down the pipes so I can move the two pipes feeding the sink in the bathroom. There are two showers (on a separate drop) one bathroom (on it's own drop) and one sink...
  5. finchy01

    Unvented cylinder D2 pipework

    Morning all. I'm quoting for a conversion from vented to unvented (I'm g3) a d the customer has said that she has been told that the d2 can go into normal waste pipe with a special connection. I was under the Impression that D2 pipe should be of copper material to the outside of the property...
  6. leelister6

    Unvented cylinder in cellar

    Hi all. Just been to look at a job and customer wants the boiler relocating to the cellar. He wants an unvented cylinder (I'm G3) also in the cellar, the only problem would be D2. Obviously can't discharge uphill so what are the alternatives? Property has 1 bath, 2 mixer showers, 3 basins and...
  7. pmplum

    OSO unvented cylinder

    Hi I have customer with a 330 litre OSO Invented cylinder with water coming from the cold water expansion valve. My question is these cylinders have an internal expansion “bubble” , can they fail ? Tried draining it and refilling to recharge the bubble Checked hot ware temp and it’s at 60...
  8. C

    Indirect Unvented cylinder, Combi Boiler and Nest Thermostat

    We have just had an indirect unvented cylinder (250l Vertical Telford Tempest) installed along with a nest v3 thermostat. The plumber was able to modify our existing combi boiler, so it runs like a system boiler. I am trying to understand how it works as currently the plumber has set it to come...
    • Chris1012
    • Thread
    • boiler combi combi boiler cylinder thermostat unvented unvented cylinder
    • Replies: 84
    • Forum: Boilers
  9. plumb_know

    UNVENTED CYLINDER & LOG BURNER

    Hi Everyone, had a customer enquire about installing twin coil unvented cylinder with log burner supplying one coil to make use of heat from burner. I have seen some threads where people say this can be done but would have to be indirectly supplied from thermal store with open vented heating...
  10. S

    Gas Boiler v Electric with unvented cylinder

    More out of curiosity and to gain knowledge on the matter, what is the general energy consumption and pros and cons between a standard combi boiler say an ideal logic, and a 4kw potterton gold electric boiler feeding an unvented cylinder at about 100l or so? Any general thoughts on electric...
    • SteveBoy
    • Thread
    • boiler cylinder electric gas engineer unvented unvented cylinder
    • Replies: 3
    • Forum: Boilers
  11. 6

    DROP IN SHOWER FLOW/PRESSURE from Indirect Unvented Cylinder

    Hi We had installed Indirect Unvented Cylinder(300L CentreStore) 3 years ago,as we had poor shower head pressure/flow with our Combi Boiler. Lately we feel the shower flow or pressure has reduced.Previously we could run two or more showers/tap at same time,but nowadays once we have a tap open...
  12. A

    Unvented Cylinder - Tundish Leak

    Would anyone be able to advise the likely cause of the tundish overflowing on my unvented cylinder please?
  13. G

    Direct unvented cylinder 210 l

    Ehc direct unvented cylinder 210L capacity, brand new and never fitted, comes with pressure reducing valve and expansion vessel.
  14. L

    Combination valve unvented cylinder

    Hi I know that on the instructions of the combination valve that the mains water goes into the bottom of the valve then the outlet to the left or right depending which way your looking at it goes to the balanced cold then it goes up to the cylinder feed. Does it matter which outlet the cylinder...
  15. P

    Unvented cylinder and boiler cycling

    I recently had an unvented cylinder installed and it is causing the boiler to cycle every 3 mins due to the return from the coil leaving the cylinder being so hot. This in turn means I get no heating as the boiler doesn't stay on long enough. I am sure the cylinder stat is function correctly...
    • Paul 1978
    • Thread
    • boiler cylinder unvented unvented cylinder
    • Replies: 8
    • Forum: Boilers
  16. S

    Combi hot water and unvented cylinder output connected

    INSTALLATION: Large house occupied only by a retired couple most of the time. Has three bathrooms, one bathroom in regular use, the others only used when visitors come. New boiler being installed, 35Kw combi. Cold mains pressure between 3 and 4 bar, with flow rate of 20 lpm through 32mm...
    • steadyon
    • Thread
    • combi cylinder hot water unvented unvented cylinder water
    • Replies: 9
    • Forum: Bathroom Advice
  17. E

    unvented cylinder but low pressure at outlets in loft?

    Hi all, Hoping someone can help. I've not yet had a plumber out to check, thought I would get some opinions first if possible. What I perceive to be a problem may not be in reality. I have an unvented mains pressure cylinder in the basement set to 2 bar on the PRV from the mains which is...
  18. J

    Direct unvented cylinder

    If I install a direct unvented cylinder, can I just use the top immersion heater to heat the water I need? I have very limited need for hot water: only two mixer taps. I have no bath, just an electric shower, and the dishwasher is cold water fed. I do have gas central heating so can install an...
  19. J

    Unvented cylinder - direct or indirect

    I have differing hot and cold water pressure with my current vented water system so the new mixer tap in the bathroom won't work properly. My plumber advises I convert to an unvented cylinder set up. He also recommends I use a direct cylinder even though I've got gas central heating system. This...
  20. SavageW

    Unvented cylinder question

    Replacing a leaking unvented,customer had two Ariston unventeds working in tandem eg one cold main split to two pressure reducing valves,shared dhw draw off & balanced cold,secondary returns,flow an return shared but only one Honeywell 2 port that then split to each primary flow of the cylinders...
Back
Top