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mains

Davidson's Mains is a former village and now a district in the north-west of Edinburgh, Scotland. It is adjacent to the districts of Barnton, Cramond, Silverknowes, Blackhall and Corbiehill/House O'Hill. It was absorbed into Edinburgh as part of the boundary changes in 1920 and is part of the EH4 postcode area.
Locals sometimes abbreviate the name to D'Mains.

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  1. D

    Kitchen Cold tap not supplied by cold mains?

    Hi There Moved into a new build recently. Noticed that when I turn on the cold tap in the kitchen a pump in the attic seems to activate which would indicate that the cold tap in the kitchen is not fed directly by mains (however i am not a plumber so could be wrong) Prior to noticing this pump...
    • Deleted member 113144
    • Thread
    • america cold kitchen mains supplied tap usa
    • Replies: 9
    • Forum: USA
  2. Lambed84

    Mains pressure issues

    Hi all. I've inherited a job that's the customer has spent a small fortune on and needs rectifying. So the layout is as follows. System boiler. Unvented cylinder. Mains static 1.5bar Dynamic 0.5bar Flow rate 8LPM 5 mixer showers, 4 of them ensuite. 1 bath. Secondary return. Issue is they...
  3. I

    Advice needed. Converting gravity fed cold supply to mains fed to supply an electric shower?

    I want to put in an electric shower in my downstairs cloakroom which currently has a gravity fed cold supply from the tank in the loft. The shower I am looking to install needs a mains fed cold supply which I could do by disconnecting this pipework from the gravity tank and connecting the cold...
    • Ian1706
    • Thread
    • advice america cold electric electric shower fed gravity mains needed shower supply usa
    • Replies: 13
    • Forum: USA
  4. J

    Water mains

    Hi, had a look at the water mains on a new build. It's in a rural area, private water scheme. I'm trying to figure out if the supply will be enough There's 1/2" hydrodare, it gives 1.8 bar of pressure and 15 litres of water per minute. I know on my own house the static pressure is 4 bar and it...
    • Jamesplumber92
    • Thread
    • america mains usa water water mains
    • Replies: 2
    • Forum: USA
  5. W

    Mains tap won’t turn off.

    I am unable to turn off the mains stopcock inside our house.The tap appears to be off but water still comes out of the taps in the house.We don’t have a leak but are concerned if we have an issue we will be in big trouble.We’ve never had this issue before and stopcock has always worked before.I...
    • Wilkie
    • Thread
    • america mains tap turn off usa
    • Replies: 6
    • Forum: USA
  6. Michael Groves

    Mains Pressure Hot water System - Brown Sludge

    I got a Mains Pressure Hot water System, it's about 3 years old. The shower filters get blocked yearly, and if it gets drained for maintenance, when you purge the system, you get loads of brown sludge. This is on the hot water side only. How can I prevent this brown sludge build-up, and how can...
    • Michael Groves
    • Thread
    • america brown hot hot water hot water system mains pressure sludge system usa water
    • Replies: 21
    • Forum: USA
  7. S

    Mains Gas Supply Pipe Repair

    I was using a mini excavator in the front garden and cut the mains gas supply (website with gas location had it in the wrong place, but a disclaimer saying their info might be inaccurate - the engineer said it was probably moved when they changed the pipe to the new plastic sort). 1 Cadent...
  8. E

    Intermittent Pressure from Mains

    Strange problem but over the last few weeks we've started getting really unusual water pressure problems through-out the house. One minute, we have full pressure on all taps and the next, either low pressure or no water at all. Today for example, at about 1pm, we had no water anywhere in the...
  9. M

    Crazy high mains pressure

    Hi to all in the forum! I have a 6 bar pressure relief valve attached to an under sink heater and it was always dribbling a bit. Today, I finally bought a new pressure gauge and was astounded to measure the pressure at 7 bar! I usually find most mains to be between 2-3 bar and so it seems...
    • MW0OMZ
    • Thread
    • america high mains pressure usa
    • Replies: 2
    • Forum: USA
  10. L

    Non return valve to mains supply

    Hi Guys. I will be fitting an outside tap in my house. Teeing off under sink and direct to outside. Should i install a non return valve on mains ?
    • lattin
    • Thread
    • america mains return supply usa valve
    • Replies: 9
    • Forum: USA
  11. A

    Routing mains water pipe under the floor?!?

    Hi, I have my mains pipe coming into the side of my house which is copper. I am going to have the adjacent wall studded out (to the left in pic) and therefore want to hide the mains pipe behind it and put on a low profile stop tap in which can be accessible via a flap or something. There is an...
    • Angelheart1412
    • Thread
    • america copper floor mains pipe stopcock under usa water
    • Replies: 4
    • Forum: USA
  12. C

    Mains HE boiler help

    Hi, I’m struggling to locate the stopcock in my flat and I need to isolate the boiler so I can swap a bath tap over. Can I isolate it from the water feed on one of the inlets on my boiler? I’ve attached a pic. It’s a Main Combi 24 HE. All my cold taps can be isolated individually but my hot...
    • Chwaymark
    • Thread
    • america boiler help mains usa
    • Replies: 5
    • Forum: USA
  13. D

    mains water pipe be run through an integral garage?

    Can a mains water pipe be run through an integral garage? It's to feed a washing machine used 2-3 times a week. Is there a risk of the pipes freezing?
    • Diyhomerenovator
    • Thread
    • america freezing garage machine mains pipe pipes through times usa washing washing machine water
    • Replies: 1
    • Forum: USA
  14. T

    Mains cold water knocking out gravity hot water in bath shower mixer

    Hi all. My customer has a bath shower mixer that gets cold from the mains and hot from a vented cylinder and the cold knocks out the hot. I'm thinking about putting in a thermostatic bath shower mixer but would appreciate any other ideas! Cheers all/
    • The Plumber Guy
    • Thread
    • america bath cold cold water gravity hot hot water knocking mains mixer shower shower mixer usa water
    • Replies: 13
    • Forum: USA
  15. B

    Is powerflush really any better than chemical plus mains flush? (before boiler repair)

    Hello, BEFORE I cleaned the system last year with a mains flush. There was a little inky stuff and a bit of sludge at the very end when I emptied out the rad I took off the wall, but no rads have ever had cold patches. Most pipes are hep20 but I had small section replaced by copper 2 years ago...
  16. Stants

    Mains uprating is 32 mm that much better than 25 mm

    Hi sorry if this is a silly question I'm having a new heating system installed ( un vented ) my new mains is due to be installed ( moled ) in 25 mm MDPE , the Water companies going to replace the communication pipe under the lead replacement scheme , however its been suggested to me to...
  17. A

    Top floor Flat - Mains Booster advice

    Hi All, I have a GrundFos Home Booster, the 3.5bar version which has transformed my flat, its used for every tap aside from the kitchen cold tap and the kitchen white goods that need mains, it also supplies the pressure for my combi boiler that is the hot water and central heating system. I...
    • Andre_P
    • Thread
    • advice america booster flat floor mains top usa
    • Replies: 13
    • Forum: USA
  18. JLS

    Mains Inlet through loft

    Was asked to look at a Mains inlet today that the property owner wants moving. It currently comes into the hall in black HDPE , through a concrete slab and about 6 inches up the wall in copper, then poly up the wall and through the unheated loft space. It's not pretty, but at least whoever...
    • JLS
    • Thread
    • america inlet loft mains through usa
    • Replies: 6
    • Forum: USA
  19. B

    Where does my water come from if not mains?

    Hi everyone I was under the assumption that my flat was mains fed throughout but the water company said "We supply cold water to your cold kitchen tap". So my question is where does the water come from to supply water to the hot water taps in the bathroom and hot water tap in the kitchen? I...
    • BobbyJoe
    • Thread
    • america mains usa water where
    • Replies: 6
    • Forum: USA
  20. M

    Mains feed and vent pipe on vented system

    I have a boiler to swap on a vented system. The open vent was presently attached straight to the boiler. And the cold feed is tee'd in to the hot water return near the coil. When I install the new boiler (it's staying vented). Would I be best off changing the cold fill postion I will obviously...
    • Matt0029
    • Thread
    • america mains pipe system usa vent vented
    • Replies: 7
    • Forum: USA
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