water

  1. P

    Instant water heater

    I would like to remove the gas central heating boiler et al in my house. I'm going to install electrical radiators. Does anyone have any advice on instant water heaters. Ideally i'd like to slot one in the existing combi position and just use it for hot water on demand. Any info on types etc...
  2. F

    Gas & Water bonded to 1 x 10mm cable?

    I have read this previous thread (2012): gas and water bond, can i use 1 x 10mm cable? - https://www.electriciansforums.co.uk/threads/gas-and-water-bond-can-i-use-1-x-10mm-cable.66838/ I have a situation where the gas and water enter the building parallel to each other. The gas meter is some 3...
  3. cliffed

    Water heaters in new school

    thoughts on this,on drawings, water heaters are on a ring main circuit,dedicated to the heaters,there are 4 of these. Listening to spark ninja this could prove a problem with the overloading & balancing of this ring. Why would consultants decide on a ring ,instead,like the good old days,all...
  4. F

    Fuse box makes humming sound when off-peak water heating

    Video of issue: Hi I’ve noticed a humming from my fuse box when my nightly off-peak water comes on. When I first moved in I had a similar issue, albeit louder / more high pitched. An electrician replaced the contactor at the time. It might be worth noting that that little grey box (I think...
  5. D

    Burnt out water heater switch

    Hi all, just joined EF hoping to solve a problem. I live in a 3 year old flat in a block and my immersion heater stopped working. I have discovered the problem to be a burnt out switch (photo attached). As you can see it's pretty bad to the extent that the plastic has melted. My question is why...
  6. B

    Mira Advance 8.7KW, very poor water flow rate

    Just been to see a friend who has a Mira advance 8.7 in his flat. Flow rate of the water is terrible, he was saying he had looked online and seen they do 11KW showers and was asking if he could change if for a bigger one. Does anyone have any experience with the Mira Advance? Is the water flow...
  7. G

    Water, water everywhere........

    Four jobs today, First Job, Washing machine, Error 01 - no water, turned on water - winner. Same place Tranny gone for under plinth lights - replaced - winner. Had to tear myself away as the leggings the young lass was wearing were downright immoral. Then it all got a bit wet. Second Job...
  8. P

    Double immersion hot water tank.

    Dear all, Has anyone come accross a double immersion hot water tank. How did you supply it 2x16A circuits. Maybe a 32A circuit split into 2 with 2x 20A double pole switches. I have only come across singles before, so im trying to find the best solution as i only have 1 spare way at present.
  9. P

    Tankless water heater upgrade

    Hi, everyone. I have a shower room that currently has hot water provided by a 7kw tankless water heater. The room is plumbed for hot and cold water from the domestic hot water (oil fired), but the pipe is so long (more than 60m) that it's barely warm by the time it gets there, hence the heater...
  10. T

    Main earthing Conductor also bonds water

    Domestic TNCS, main earthing conductor runs to water pipe, bonds via clamp with label, cable is continuous, then runs on to MET in DB. Seems wrong, but cant find specific reg to say so....any thoughts? Thanks, Timotei
  11. Brahman Naren

    Walkover paving lights - more hassle than it's worth?

    Hi All My first post here, and looking for advice on a full home renovation that is about to start. They are kicking off with some garden work whilst the builders knock down half the house, so I suspect this will be question 1 of many questions over the next year. They are about to start the...
  12. HappyHippyDad

    Which putty for emergency fix of water pipe?

    Evening all, As you can see from the title I have not had a good day. For the second time in my 6 year career I made a small nick in a water pipe whilst taking up the floorboards (using multitool). i thought i was prepared from the last time as I bought some clamps. However, they could not fit...
  13. B

    Water ingression - testing requirements

    Quick ? We all know that if there has been water ingression then the circuits showed be fully inspected and tested before being re-energised. However does anybody know the reg or legislation that states this please? Thanks Billy
  14. PJH2903

    Undersized Water bonding advice please.

    Been out to price for another CU change this evening and would appreciate the groups advice. When looking at the job I noticed that the water bonding is undersized at 4mm on 25mm tails so should be 10mm which is not a problem as I can include that in the quote. Gas bonding has been done and is...
  15. ETradesmen

    Y plan wiring / Hot water

    Good afternoon all, just a quicky. Ona Y plan system can anybody tell me why there is a switched live from the cylinder stat back to the programmer (Also connected to the grey on the MV)? Why does the programmer need to know that the cylinder has hit the required temperature? FYI I installed...
  16. buzzlightyear

    don't go into the water

    I have been on holiday and just got back .weather ok .water cold . so I decided to take a dip in the sea for a nice long swim .but I did not take me snorkelling gear with me this time .having been for the swim I decided to si t on the beach to warm up like a bloody seal ,and watch the locals...
  17. M

    Need help wiring a Heatmiser RF Switch for heating and hot water control.

    Hi All, Im not an electrician, but i like to do things myself if possible, so i'm here to ask for some help in wiring a new RF switch for controlling my central heating. I already have a heatmiser system that controls my underfloor heating downstairs, but my upstairs rads and hot water are not...
  18. marconi

    ELECTRICAL INSTALLATIONS NEAR WATER - ELECTRIC SHOCK DROWNING

    Recently there was a topic onwhether or not to bond and earth a mobile aquarium. I did some more research on what happens to people when they are in electrified water. There is quite a bit on what happens on US web sites. The problem is not only electrocution but 'electric shock drowning'...
  19. J

    X3 isolator switches blown for zip inline water heater

    Hi, Got sent to a job today at student halls of residence. They have had 3 45 amp isolator switches blow in the last month for the zip inline water heater. As shown in pictures, the water heater is being fed by a B40MCB and then in to a 45 amp isolation point above the door, then to the heater...
  20. JOURNEYMAN

    WATER AND ELECTRICS - JUST HOW CLOSE IS SAFE?

    Hi all, I visited a property yesterday which consists of two shops with a flat above each shop. This was a preliminary visit on behalf of the new owners who are looking to refurbish and rent out. I went to check out the supply, bonding etc. and found a single phase supply feeding both shops and...
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