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query

Query languages, data query languages or database query languages (DQLs) are computer languages used to make queries in databases and information systems.
A well known example is the Structured Query Language (SQL).

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  1. M

    Vertical flue/ roofing query??

    Hi guys. How many of you use a roofer to help with vertical flue installations, or do you rather do it yourself?? I’m not one for heights so would rather not if possible.
  2. D

    Gas Boiler Service Query

    Hey all Looking for a consensus on an issue that has arisen. Disclaimer is that my ideal icos 12 boiler Is over 10 years old but has been serviced. It has been presenting intermittent flame issues in sub zero temperatures however I found that insulating the pipe work around the gas regulator...
  3. C

    Franke tap water droplets query

    I have just had a Franke Athena kitchen mixer tap fitted. After turning it off there is a small drop on the spout. If I remove this then another one will form at some point later (and times between drops appear to get longer) This morning there was no drop there so I thought it must just be...
  4. C

    Showerhead leak query

    Hi I have a shower that is fed from the cold water and hot unvented water. It is not used at the moment (there is also a bath) but to take it out would have both cost and affect tiling so I am leaving it until more funds available for a full bathroom refurb. If the shower was to develop a...
  5. A

    Plumber Qualifications Query

    Hi. I have an elderly neighbour getting quotes who has asked for my help and opinion, I don't really have a good one as it is not my area of expertise but I am trying to help. The quotes are all similar prices but She seemed to like one person and quote more than the others and I noticed that...
  6. N

    Dual zone central heating query

    Hopefully a quick question: I have bought a new house and had a few issues with the CH system (they connected the valves for the two zones to the wrong thermostats which has now been fixed) but have now come across something that doesn't make sense to me. I have a downstairs cloakroom (toilet)...
    • Neil Atkins
    • Thread
    • central central heating central heating system dual dual zone forum heating plumbing query zone
    • Replies: 2
    • Forum: Plumbing Zone
  7. B

    Recess shower door & tray query

    I have bought a replacement 1200 shower door & 1200 x 900 tray, ready for a refurb starting soon. The current door & tray is in a recess, which measures 1200 x 900, but these measurements include the current tiles, which will be replaced. I now see that the new door has a tolerance of 1150-1190...
  8. B

    1200mm shower door query

    I have bought a replacement 1200 shower door & 1200 x 900 tray, ready for a refurb starting soon. The current door & tray is in a recess, which measures 1200 x 900, but these measurements include the current tiles, which will be replaced. I now see that the new door has a tolerance of...
  9. nigel52

    Underfloor wet system design query

    I have a OMNIE designed wet underfloor heating system on three floors. Ground and 2nd floors work well with those two floors having a single manifold and recirculating pump for the various zones. On the 1st floor the rooms are split over two manifolds each with its own recirculating pump...
  10. Framing

    Vaillant ecoFIT Sustain boiler query.

    I have a Vaillant ecoFIT Sustain (system?), boiler, with hot water tank. We have hot water and radiators heat fine. My query is that only the radiator symbol on the boiler has been set (70 degrees), the ‘tap‘ symbol says ‘off’. I guess it’s the same temperature for both hot water and to heat...
  11. Daaave

    Fitting zone valve query

    Hi all, I have a 28mm zone valve for a C Plan I want to fit and would appreciate some advice please. I’m looking for the best way to adjust the existing pipework - my idea is to fit the valve at the green circle, tee off beneath it for the vent pipe and cap off the reducer at the cylinder...
    • Daaave
    • Thread
    • fitting forum plumbing query valve zone zone valve
    • Replies: 0
    • Forum: Plumbing Zone
  12. H

    Design of circuit and Boiler type query

    Hello, I am new to the forum and certainly not a plumber so please forgive me if my questions are particularly stupid. 1) I am renovating a house and the heating system has been removed to be replaced from scratch. To reduce costs I am attempting to do the first fix myself. The plan is to send...
  13. R

    toilet macerator query

    Hi Everyone, any recommendations on a toilet macerator that will also have to accept a shower and basin? Looking for a good quality one that will last. Can't use a conventional 110mm soil pipe as the fall is about 1 in 100...
  14. A

    Combined waste to stack query

    Hi. I wish to combine the wastes from my bath and shower (Both 40mm) at the point they go out through the wall, then a 1.5 - 2 meter run externally across to the soil stack, with the 32mm sink waste dropping in about 250mm from soil pipe. Do I have to use 50mm waste externally for this? Not may...
  15. B

    Arrow flow of water on valve query

    Hi everyone, I have a question about what happens when the incoming mains water valve with the arrow on it has water flowing backwards rather than forwards. For example the arrow on the water stop valve is pointing left but the water coming in is going right instead of left, would this pose as...
  16. B

    Water supply and drain cover query

    Hi everyone, Today a plumber came round to do carry urgent repairs in the kitchen but needed to turn off the mains water supply to the building since it is flats. He went out to the front of the building and opened the water drain cover which is outside the front gate and on the pavement to...
  17. B

    Water pressure in kitchen unbalanced query

    Hi everyone, I have a question about balanced water pressure in my kitchen. Are both the hot and cold water pressure meant to be the same, as my hot water has good pressure when fully open but the cold tap pressure has about 2-3 times more pressure when the tap is fully open almost floods the...
  18. B

    Filter fit kitchen sink query

    Hi everyone, I want to purchase the following filter to put under my kitchen sink but am not sure if it will be able to fit the copper pipes as they may be too narrow for the fit. Any advice would be appreciated...
  19. B

    2nd stopcock in kitchen query

    Hi everyone, I figured out what the 2nd stopcock does in the kitchen wall. I ran the cold water tap in the kitchen and turned the stopcock on and off and what it did was control the water flow and even when fully turned off the water was still running albeit at a lesser rate than when fully...
  20. B

    Shower flow pressure query

    Hi everyone, I have a question regarding the flow and temperature on a thermostatic mixer shower. The water set from the combi boiler is hot in the kitchen, the bath hot water tap is quite warm and when I reduce the flow by turning the tap half way the water gets hotter. My shower has been...
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