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immersion

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  1. C

    Immersion Heater FCU

    Was called to a job by a reasonably local plumber this morning who was re instating a new 3kW immersion heater in a house. Since the immersion was ripped out 10 years ago the house has been rewired and no circuit remains for the immersion as there was not one in at the time of the rewire. Never...
  2. L

    Immersion wiring and amp sizes

    set up for immersion goes like this for me.... Option 1) 16amp breaker > 2.5mm t&e to 20amp DP isolator > flex from this to immersion. But how is this set up..... Option 2). 16amp breaker > 2.5mm t&e to 13amp fcu > flex from this to immersion Are both fine?
  3. pirate

    Recommendations please for a good quality immersion heater timer

    Hello all. As the title says, I am looking for a good quality, robust switch/timer to control a 3kw immersion heater. At present it is simply plugged into a socket in the loft, but needs to be controlled from the kitchen below with a decent timer, preferably one that will fit onto a single...
  4. G

    odd one seen today, three FCUs each for a 3KW immersion on one 6mm radial

    As title, Megaflo hot water cylinder has three 3KW immersion elements. Each fed from an FCU in 2.5mm 3093Y flex. On the surface all looked good. Initial testing showed no earth continuity on two of the elements. Closer inspection showed all FCU covers were loose. Further inspection showed...
  5. wsoppitt

    Immersion heater element replacement.

    Evening guys and girls, just a quick question. When asked to look at a faulty immersion heater , do you suggest a plumber ( likely to be faulty element) or do you take a look, test then advise that they need a plumber when it is a faulty element and charge a call out for testing or do you take...
  6. D

    Problem with solar immersion controller and battery system.

    Hello professionals out there! This is my first question on this forum. I am not a professional and have no electrical qualifications. I have a PV and battery system. The battery was installed in 2016 and is still under guarantee. It is a Samsung 3.6 KW in the A10 series. Samsung have now...
  7. S

    Electric Immersion Heaters

    Hi everyone I have just moved into a new house that is all electric. The previous owner had started transitioning from Economy 8 to a new system by removing some of the storage headers and replacing them with electric radiators. Currently they have a Economy 8 meter (from SSE) and an Economy 7...
  8. V

    3 phase immersion heaters in star (no N) or delta

    Hi all Been to a micro brewery today . They have 2 water boilers with 3 phase immersion heaters in them (ie 3 x elements) Originally they were wired to run single phase will all the lives and neutrals linked out and a 32A single phase supply connected to them. Now they are wired in a star...
  9. happysteve

    What's this, and where can I get one (immersion heater nut/machine screw thing)

    Off a Backer immersion heater element. Unlike others I've seen, rather than having a long threaded rod with a nut on the end to hold the cover in place, the threaded rod does not extend beyond the cover, and relies on this sort of female machine screw thing to hold it in place. Which is missing...
  10. S

    Hot Water cylinder and 2x immersion heaters

    Apprentice electrician (coming towards the end of my 1st year) here and looking for some help and understanding. I have moved into my flat and I have both a normal CU running 24/7 and an off peak CU. The flat has no gas and all electric. I have a hot water cylinder which has 2 immersion...
  11. X

    Electrician Jobs immersion heater not working in Barking

    My boiler isn't heating up water overnight like it should. I have horstmann economy 7 quartz. The timer light doesn't turn on. Boost is working but it takes a long time to heat up the water. Is it my thermostat that needs replacing?
  12. Gavin John Hyde

    When a stubborn immersion element wont budge!

    I have had to admit defeat today on a dodgy immersion element, tested it and found its cause of rcd tripping, so try to get the element out... easier said than done, I tried usual box spanner, taps with hammer, plenty of wd40, still not come loose... its been in since 2002 according to the...
  13. M

    Off peak immersion working during the day?

    Hi guys could I get some advice? I went to a customers house to change a thermostat in a thermal store (Gledhill pulsacoil 3) and the spur was labelled "off peak water heater". I isolated supply and replaced stat. However it appears to have a live supply all the time? I used a clamp meter and...
  14. S

    Immersion tripping after new bathroom

    Hi. We have an immersion heater tank on economy 7. We have had no issues with this since moving in 3 years ago. We have just had our bathroom renovated including an electric towel heater wired in. From the very next day our night time immersion switch keeps tripping. Our decorator tells us there...
  15. D

    Bath/sink switch and immersion timer

    Hi All, not a spark just trying to gain some info on the following as my electrician is also confused. I have an on/off bath/sink switch controlling a twin element immersion. I am hoping to add a timer preferably this...
  16. J

    Understanding economy 7

    Economy 7 horstmann quartz timeclocks for water heaters with dual elements, from my understanding they would require two separate supplies to work on a off peak supply and regular supply, although after looking inside one today and looking at diagrams only 1 supply is used. How is this possible?
  17. D

    Immersion tank, element fault, hot lives, heating 13A fuse

    Hi, I have a fault somewhere on my immersion heater circuit, the 13A fused spur switch is getting hot & there is visible insulation damage to the live conductors only, the fuse in the spur is where the heats being generated, I disconnected everything & tested the resistance of the element...
  18. rolyberkin

    Solar PV Immersion diverter

    Hi Can anyone give me a recommendation of a decent solar PV immersion diverter, and do they stack up cost against installation, I have had a couple of enquiries from customers this weekend about them (must have been a feature on local news?)? Also are there any suppliers who do trade...
  19. P

    Immersion heater tripping mcb when timer switches off

    Hi. I’m new to this but was woundering if anyone has had this problem. My immersion heater keep tripping the mcb when the timer switches it off. The mcb won’t reset unless the timer is set to on which works fine but as soon as the timer is up it trips the mcb again. The timer I have is a...
  20. G

    Immersion tank with two immersion?

    Hi all, on a job and have three flats with immersion tanks in a separate boiler room. Immersion will be doing the hot water for the flats, I did run a 6.0mm to each of them as they are 15mtra away lucky I did as there are two immersion on each tank, just wondering the best way to wire it, I...

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