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immersion heater

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  1. B

    Immersion heater and central heating on same circuit?

    Would you loop of an existing immersion heater spur for a new central heating spur or, would you run a seperate supply?
  2. G

    Solar Panel immersion heater automatic switch.

    Just found Solar Panel Immersion Heater Switch - Use Surplus Power To Heat Water | eBay Has anyone tried one of these? Do not know if there is any garantee with it but have asked the question. To be cost effective it has got to last several years
  3. A

    immersion heater timer problem

    Can some one help, i have been asked about an immersion heater which stopped working so she pressed the reset button on the temperature control, which worked for a while but now the timer has burnt out, any ideas what i should look be looking for when i go round to look at it. would a fault in...
  4. F

    Replacement immersion heater cover - advice please

    Customer has an immersion heater that has a melted plastic cover, the Thermostat has been replaced as inadequate cable size used to connect and excessive heat caused the damage. Been asked to replace the cover, cannot seem to find one anywhere without purchase of a complete element and cover...
  5. S

    Immersion Heater Thermostat Knocking

    Evening all. Just had a callout to an immersion heater making wierd knocking sound within 30 seconds or so of being switched on. Seems to be the thermostat in the dry pocket and if I hold the thermostat then the knocking stops. Polarity, voltage etc correct. Top 22" immersion heater... Need...
  6. G

    Switching on Immersion heater.

    Hi all, I am aware that there have been several threads regarding using pv to power the immersion and how to control the turning on of the same when the system is producing sufficient surplus output. I have had a 3.84kw system installed for several weeks now and like everyone else want to make...
  7. D

    Does a 3kw immersion heater demand 2.5mm cable?

    And if so, if a 30A relay is being used to switch power to the element, does the supply to the relay need to be 2.5mm as well?
  8. O

    3Kw Immersion Heater circuit using trunking

    Made the fatal mistake of offering to do a friend a favour which always comes back to bite you. Its a one bedroom flat with concrete floor and ceiling and only one ring final circuit for sockets. Wants panel heaters fitting in the hall 1.25Kw and bathroom 0.75 kw so i said i would run a new...
  9. I

    Can i power my immersion heater from my 4kw pv system?

    I have a question, basically can i heat my water using my immersion and the power from my 4kwpv system? I am trying to get the most benifit from my recent pv system install and think this is a good idea, any thoughts?
  10. O

    Immersion heater circuits with additional connections

    All, About 50% of the houses I've been in recently have had additional connections added to the immersion heater circuits. The most common is a socket or FCU for a shower pump. In my mind BS 7671 says that water heaters should be on their own circuits. Bearing in mind that the vast majority...
  11. G

    immersion heater switch

    what would the problem be if there is no power coming to the immersion heater switch in the kitchen.
  12. S

    economy 7 immersion heater timing

    Please dont take the mick, as I am sure there must be a simple solution for this. I have got to put a timer on immersion heater that is on an eco 7 supply. They want it to kick in for an hour in the morning. Im sure its blinkin obvious, but I have not really work on eco 7 before, so Im...
  13. S

    Domestic PIR - extent of immersion heater inspection & testing

    Hi folks, when carrying out a domestic PIR, do you include an inspection of the central heating immersion heater for old style single contact type? (Of course assuming that fixed wiring up to the immersion is tested as normal). If yes: 1. If it is old style single contact, what code would you...
  14. T

    Immersion heater fault

    I have a customer who had a fault on there immersion, they've lived with this fault for about 8 months and just relying on the boost to give them a quick short supply of hot water. They said it used to work fine, no problems then just went off, So after going and having a look it was just there...
  15. L

    immersion heater high limit stat probs

    seem to be getting a lot of problems with the high limit stats on new immersion heaters tripping out have tried several makes they all seem to have the same problem is anyone else having the problem or found an answer :angry_smile:
  16. H

    No power to immersion heater

    Mate asked me to look at his immersion heater that had stopped working. The tank has two elements - labelled 'On Peak' and 'Off peak'. It is the off peak one which has failed. No breakers tripped but the neon on one of the switches (off peak) is out. I've measured around the circuit - no power...
  17. A

    immersion heater

    hello, having a problem with an immersion heater causing a 16 A RCBO to trip it is definately non of wiring with a fault on as all been tested and powered up without imm connected. have tested imm (3kw) continuity 19 ohms (fine).and insulation resistance to earth >1000 ( fine). i have heard that...
  18. S

    advice wanted Immersion Heater

    hi.been asked to do a periodic test on a holiday let in north wales, I came across a number of problems. the immersion is a bs 3456, I presume this is pre dates bs 60335/2/73 and the bs 3456 has no cutout. is this correct. thanks
  19. J

    RCD tripping immersion heater.

    Hello All A friend of mine has just had a CU change from an old re wireable fuse box to a new Dual RCD board i didnt do the job for him someone else did. with the old board in place the immersion heater 3Kw worked now with the dual RCD board the immersion heater trips the main RCD the...
  20. I

    immersion heater timings

    Hi My immersion heater is on a timer to take advantage of economy 7. Its a 144 litre tank and is currently timed to go on at 2am until 7am. My question is, does the heater need to be on this long during the night? If I was to change the timings from say 3am to 6am to save a bit would it...

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