central heating

  1. A

    Economy 7 immersion heater timer

    Hi, My house is currently on economy 7 as we are fully electric. Our immersion heater has 2 switched one for day rate and one for night rate. Our electricity bill has been sky high and we have narrowed it down to the immersion heater being heated for the full time when E7 switches on for the...
  2. D

    Boiler not firing up

    Hi, I've got a problem with my boiler I was hoping someone might know what it could be (apologies for me explaining in very simple terms), we've been away for 10 days and have just returned and when I switched it on it's not firing up and there's no flame visible through the hole. It's a Glow...
  3. HansJones

    Is an annual boiler service important?

    I had this LPG and gas boiler servicing Tavistock expert install a new boiler in my apartment. And since I just got it, I honestly don’t think that servicing it annually is that important like what my brother think so. Want to know your opinions about this. Anybody?
  4. P

    Replacing 3 phase circulating pump

    Hi everyone I have a failed (seized and leaking) 3 phase circulating pump. A direct replacement is well into 4 figures I have a pump that will fit, and has enough flow to do the job, but it's single phase. The supply to the pump is via a contactor, and there is no neutral. Is there any way...
  5. Ian1981

    Overload protection to a central heating pump x2

    Is it a requirement to provide overload protection to a central heating pump rated at 2.77amps? I’m kinda under impression that an almost 3 amp pump jamming will get rather hot. I mentioned this to the heating installer who has requested we just installed 2 x isolators for the pumps through a...
  6. dlt27

    Central Heating help!

    Hi, don't know if anyone can help. A plumber has just moved a hot water tank from one position to another. Originally it was a y plan, but now he has made it an s plan. The existing boiler has got a pump overun on it. All I wanted to know is if there is anyway I can get it temporarily running as...
  7. O

    Odd Central Heating Wiring

    I've just moved into a new place and decided to fit a Nest thermostat, but the Central Heating wiring doesn't make any sense. The Cylinder Thermostat Call wire isn't connected to anything, and neither is the 3-Port valve HW Off wire The old programmer is a British Gas UP1, and is configured...
  8. Dave Walker

    Line voltage central heating to smart controls

    I currently have a 2 zone line voltage controlled central heating system and would like to convert it to use smart controls. I want an open system that I can integrate to openhab, so not Nest or Hive. I'm not sure where to start, any advice?
  9. Paul Dodds

    Central heating programmer cable 3 and earth

    Hi, Hope you're all doing well. I have a customer who needs a 5 core cable to the boiler from the wiring centre. At the moment the feed is coming from a 13a socket in the upstairs cupboard through the programmer into the wiring centre and then 3 and earth under bathroom floor and into the...
  10. sinistersnipe

    New home... domestic hot water linked to central heating?

    Hello, Moved into a new flat about 6 months ago, and now that the weather is getting warmer and we want to turn our heating off we've discovered a little hitch - it seems like domestic hot water and central heating aren't programmable separately. Specifically, if either the programmer or the...
  11. J

    Hi there - particularly wanting advice on Central Heating wiring

    I'm a plumber wanting to have some training on Central Heating wiring - please can someone point me in the right direction (region is Sunderland).
  12. C

    Cable running close to central heating pipe, de-rate it?

    Evening, I’m normally an industrial electrician so never work in houses, but something I’m wondering about: If you run a cable through space between ceiling and floorboards, do you de-rate the cable for ambient temperature if there are un-insulated pipes sharing the space? Obviously it’s going...
  13. O

    Internet central heating controllers

    Is it me or are they as annoying as all the far eastern spam? Yes we have the option to ignore them, but the rate they are appearing on the site is getting out of hand IMHO Should there be a specific area for these? I don't see why people on here are expected to give away their knowledge and...
    • Octopus
    • Thread
    • central central heating heating internet
    • Replies: 39
    • Forum: UK Electrical Forum
  14. S

    Old Council Controlled Central Heating Contactor

    Hi, a friend of mine has moved to what once was a council house, and has a contactor that was apparently used by the council to control the heating. He wants to change over to an economy 7 type meter. The DNO won’t do anything until the contactor is gone, but won’t touch it themselves. It’s not...
  15. P

    Central heating controlled by raspberry pi and relay switch

    Hey guys, im not a professional electrician, I just have a basic knowledge of some stuff. In order for me to be able to explain what i want to do, I will first explain what is in place at the moment. We have a 3 zone programmer which we never use as a programmer, we just turn on each zone...
    • poumpouris
    • Thread
    • central central heating controlled heating relay switch
    • Replies: 20
    • Forum: Central Heating Systems
  16. X

    Central heating problems as programmer not bring on boiler fixed

    A client has decided to attempt a dual programmer replacement and made a mess, i have reconnect everything as following but the boiler and programmer arent working together, just wondering if any one would have a look at the connections to see if i missed something or if they have another idea...
  17. i=p/u

    Oil central heating system

    My 2 Channel time clock won't turn the heating or hot water off , does the mean a valve is sticking and back feeding to the other valve and leaving the Buttons on the time clock useless
  18. S

    Green deal central heating

    Hey guys: Friend of mine recently had his house rewired, AM3 CU etc, nice neat pucker job & all certified. Anyway over the last few days he's been having a new heating system installed on a Green deal. Went over for a cuppa earlier & the contractors sparky was there to wire everything up. He was...
    • Specialist
    • Thread
    • central central heating deal green heating
    • Replies: 16
    • Forum: Central Heating Systems
  19. A

    Electrician Jobs wire new kitchen ring socket & hob & central Heating - Hereford, HR1

    Want to make kitchen in new place and need to rewire... Someone can advice me firstly if thats pics is ok?? To the Central Heating will go 2.5mm To the hob will be 6mm to double pole switch above worktop then to connection unit under worktop all other will be on kitchen ring on separately...
    • Adryjaan
    • Thread
    • central central heating heating hob kitchen new ring socket wire
    • Replies: 30
    • Forum: Electricians Jobs
  20. V

    Tankless instant water heaters in parallel

    Hi, Initially not sure of where to put this post as it touches more that one forum. Grateful for your help please with an unusual installation. I am looking to avoid long runs of hot water from the combi to the launderette due to being on a water meter and to run the taps until hot water is...
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