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distance

Distance is a numerical measurement of how far apart objects or points are. In physics or everyday usage, distance may refer to a physical length or an estimation based on other criteria (e.g. "two counties over"). The distance from a point A to a point B is sometimes denoted as




|

A
B

|



{\displaystyle |AB|}
. In most cases, "distance from A to B" is interchangeable with "distance from B to A". In mathematics, a distance function or metric is a generalization of the concept of physical distance; it is a way of describing what it means for elements of some space to be "close to", or "far away from" each other.
In psychology and social sciences, distance is a non-numerical measurement; Psychological distance is defined as "the different ways in which an object might be removed from" the self along dimensions such as "time, space, social distance, and hypotheticality.

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  1. Scott_D

    Verticle flue distance from a boundry

    I cant seem to find a dimension for vertical flues from a boundary I am quoting for a boiler change and the existing is about 300mm, is that allowed on a new install?
  2. R

    Minimum distance of branch pipe from top of stack

    Hi, I'm connecting a 110mm branch pipe to the main stack the top of which is in the loft (sealed with a air admission valve) however the likely connection point will be about 20 inches from the top of the stack. Is there a minimum distance from the top of the stack any branch connections...
  3. R

    Plastic tee fittings near boiler

    Hi, i'm installing a bathroom and need to install tee fittings into existing hot/colds. The best place to do this is near the boiler, however someone told me you cant use plastic pipe/fittings within a certain distance of the boiler. The best place for the tee would be about 2 feet away from the...
  4. Russel

    Radiator distance from floor / window cill

    I am sizing up a radiator for a newly built room. Now, the bay window is quite large so the space underneath it isn't much. With this in mind, I understand that the minimum from the floor is 15cm for effective air flow. Question is, how close to the window cill can I go? The window cill isn't...
  5. W

    Multi fuel Stove - Distance from combustibles.

    Gents, I hope this is the correct forum. The situation I have is that, as an afterthought, a customer would like to place a multi fuel stove in a corner of a room, within a single storey barn conversion. One wall is an external wall of brick and block construction. It will be cement rendered...
  6. jaydebruyne

    Back to wall closed couple toilet

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  7. P

    Distance Learning Courses

    Hi Guy's... This may well be the final time I visit the forum, however you may remember that some years ago I signed up for one of these rip off courses with a certain training provider... Anyway this is finally settled and according to the Judge I was right and it was a bag of poo... Anyway...
  8. M

    Dish washer/ washing machine distance from sink

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  9. J

    max draw off distance from heater?

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  10. U

    plumbing by distance learning

    Hey, I want to change my career path and become a plumber and finding it really difficult to find a company that I can trust. I'm 33 and have a child and wife to support so going to college full time isn't an option. I also live in rural mid Wales which doesn't help! A company called ERR Ltd has...
  11. T

    Long distance from boiler to tap

    We have a very long single storey house ( old farm buildings.) The boiler is at one end and the kitchen at the other. ( about 80 ft) : it takes an age for hot water to reach the kitchen. I am a competent amateur : is there any kind of flow activated valve I can install with a pump to speed...
  12. J

    What radiator fits these wall brackets

    Hi, I'm trying to find a radiator that fits these brackets, I do not know what size the original radiator is and the wall brackets have been plastered over making them difficult to remove. Vertical distance between radiator mount points/slots 230mm Horizontal distance between mounts...
  13. B

    Flue distance from structual opening

    My mate (structual engineer ) wants his new boiler in the kitchen but the distance from the window reveal to the wall is only 220mm now I know the flue will be elbowed up and away from the opening so that is not the question he has in his head that there should be 150mm clear before forming flue...
  14. P

    Connecting 36mm to 32mm waste pipe in short distance

    Hi Just wondering if someone can help with the following. I have a 36mm waste pipe coming straight out of the wall below a small hand basin, to which I want to connect a 32mm pipe from the basin trap. Fairly straight forward you might say - use a multifit or universal connector. However, the...
  15. J

    New gas supply - distance from U6 meter

    Dear all, I’d be most grateful for your thoughts and advice. I am a self-builder converting anagricultural shed to a small studio-type house. Its near Sevenoaks in Kent inthe middle of an orchard. I started it four years ago and am still nowhere nearcomplete - I am learning the hard way...
  16. J

    distance from flue to windows?

    what would you say the distance to the window on left should be?? Is it treated as normal window? below a window?? or something else?? cant find anything anywhere. Ideal logic 35+ combi boiler.
  17. S

    Gas pipe and boiler control switch searation distance

    What are people's interpretation of the above? Example: Gas pipe running surface up to the boiler and fused switch for the boiler. Regs state meters, fuseboxes and SWITCHGEAR to be 150mm apart. Would you class a boiler fuse spur (not socket) as switchgear (similar to a light switch).
  18. W

    Distance From Flue Terminal to a Chimney?

    Hi there! I'm studying on my gas engineer course at the moment and I'm immersing myself into the world of Flues. Looking at the distance tables I can't see anything about how far away a flue terminal has to be from a chimney that's connected to an open fire. Is the chimney just generally...
  19. P

    Cooker Switch & Socket Distance from Gas Hob?

    Hello I need a little help, I cant for the life of me find what the Gas Regulations on the distance of the sockets / cooker switch need to be from the hob. IET Recomendation is 300mm but thats a recomendation only. From what I can find gas reg wise again recomendation of 300mm & fire...
  20. Meady

    Minimum distance between freestanding cooker and a boiler

    Can anyone tell me what the minimum distance between a wall hung boiler and a freestanding cooker space is. Cheers

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