immersion heater

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  1. C

    Better cylinder thermostat for a 3 kW immersion heater

    For reasons which I can explain if necessary, I want to replace the existing "integral" DHW thermostat for the electrical immersion heater with the type used to control a CH boller. I would leave the over-temperature cut-out in circuit. I have bought a Salus CT-100 strap-on pipe/cylinder...
  2. J

    Generator to run oil fired boiler or immersion heater?

    Hi. We've a champion generator, inverter, dual fuel, 3.6 kw, which we've used a couple of times during power outages over the last 18 months to power a fridge (class 1) - needed to keep my partner's meds. at fridge temperature and a range of other items (class 2) such as broadband router, TV...
  3. P

    Shared immersion heater circuit

    Hi everyone Is it permissable to connect 2 immersion heaters to one RCBO and supply cable? I'm installing a water cylinder (which has 2 immersions) in a new utility room, which used to be a kitchen. I want to repurpose the old cooker supply cable which is 10mm. If it's legal, I want to feed...
  4. SparkySy

    1 year old immersion heater keeps tripping thermal cut out, any suggestions?

    Hello good people. I have an ongoing issue with a top entry immersion heater over heat stat that keeps Tripping out. (Built into stat) On a 24hr mechanical timer. The tank was replaced just over a year ago and with it a new immersion heater and stat. The original stat worked fine for about 3...
    • SparkySy
    • Thread
    • heater immersion immersion heater keeps old out suggestions thermal tripping
    • Replies: 11
    • Forum: UK Electrical Forum
  5. W

    Immersion heater query

    Wonder if someone can explain this to me, if youve got an economy 7 controlling your immersors how is it wired if you have an off peak and a boost option but there’s only one live connection within the unit?? Question 1 lol! Question 2 - how would you wire it if you have 2 immersors but no off...
  6. B

    Immersion Heater add Wifi control? can you add simple wifi switch AFTER the existing fused spur.

    Hi, Have normal fused immersion heater switch. I would like to add a smart wifi switch to it so when my Solar is producing over 3k spare, going back to the grid (once the battery is charged) it can heat the water instead, save using the gas for the PM heat up. Will use Home Assistant. I know...
    • Bignose2
    • Thread
    • after control existing fused fused spur heater immersion immersion heater simple spur switch wifi wifi switch
    • Replies: 2
    • Forum: Central Heating Systems
  7. R

    Boiler, programmer etc. via immersion heater circuit?

    Can I supply my central heating (programmer, two port valves and boiler) via a fused spur taken from the immersion heater circuit? They’re currently supplied from a fused spur taken off the ring main; however, kitchen wall’s are being moved around. There is nothing else on the immersion...
  8. I

    Advice needed on Immersion Heater moving from dual to single tariff supply

    Until last week I had a dual tariff electricity supply with a cheaper overnight tariff. This was good for the storage heating, but now the storage heaters are gone we've changed our electricity to a single electricity tariff. There are two consumer units with the off peak fuseboard supplying...
    • i3_happy
    • Thread
    • advice heater immersion immersion heater moving needed single supply tariff
    • Replies: 2
    • Forum: UK Electrical Forum
  9. A

    Immersion heater - New switch install help

    Hi, I'm about to switch to an energy tariff whereby i think it would be better/cheaper to heat my water via my immersion heater and not my gas boiler. I have a plain old switch attached and wanted to install a new WiFi-enabled switch or, failing that, a timer switch. I've just opened up the...
  10. Shaun H

    What's wrong with this? It supplies an immersion heater, it's not the disconnected line & neutral.

    • Shaun H
    • Thread
    • disconnected heater immersion immersion heater neutral supplies what's wrong
    • Replies: 7
    • Forum: UK Electrical Forum
  11. I

    Dedicated circuit for immersion heater

    Hi, I know it's best practice to run an immersion on a dedicated circuit but am I OK with the following A new heat pump is being fitted and it has a wiring centre in the airing cupboard next to the cylinder, the wiring centre requires a 3A switched spur to power the circuit board a diverter...
  12. S

    Can I switch on an Economy7 immersion heater during daytime hours?

    We are replacing our Economy7 hot water cylinder due to a leak that has two immersion heaters and an indirect coil from our multi-fuel stove. My plumber has only been able to find a cylinder with one immersion connection (plus the two 28mm indirect coil connections). Is there a way to switch...
    • Serkit
    • Thread
    • during economy7 heater hours immersion immersion heater switch
    • Replies: 3
    • Forum: UK Electrical Forum
  13. B

    Using solar panel DC output to feed immersion heater?

    Just an idle thought - has anyone any experience of using the DC output of solar panels to directly feed an immersion heater, to avoid the expense and losses associated with an inverter? Evidently, a changeover relay would be required to utilise the usual 240V AC supply at times of low or zero...
  14. A

    Replacing an immersion heater

    Hi. I've taken my immersion heater out and want to replace it with an instant hot water heater. The unit will be placed on a wall at chest height from where the immersion heater control was sited (Horstmann economy 7 quartz) The fuse on the fuse board says it's a 16A. I only need it to heat...
  15. D

    UK Immersion heater on a Nest

    Hi all Have had a request from customer that would like their immersion heater controlled via a Nest. It has standard 2 elements and is not on Economy 7. My initial suggestion was to just put in on a Horstmann timer but he is adamant would like it on Nest, has bought the bits already including...
  16. Mike Johnson

    Immersion heater control

    Still have an old clock timer for our immersion, but thinking that using our oil boiler during the summer is possibly going to be more expensive than electric on overnight economy 7, what do you guys recommend,
  17. GarethW

    Cylinder Immersion Heater Tripping

    Hoping someone can give me some advice. My cyclinder immersion thermostat is tripping every few days. It hasn't been used for a few years, but now, because I got Solar panels and an Eddi connected, we've started using it again. I've established that the Eddi, nor the top thermostat, is faulty...
  18. W

    Immersion heater cord grip

    Hello, I am looing to sort out a few hot water tanks on a block of flats, not have cord grips on the flex, has anyone ever seen this as a part to buy on its own?
  19. J

    1.25 flex of a 13 amp fused spur feeding a 3KW immersion heater

    How tight is it running 1.25 flex from a 13 amp fused spur feeding a timer for an immersion heater?
    • Jako13!
    • Thread
    • 13 amp amp feeding flex fused fused spur heater immersion immersion heater spur
    • Replies: 12
    • Forum: UK Electrical Forum
  20. C

    Immersion heater wiring

    I've recently moved into a house and would like to check please whether an immersion heater that looks recently fitted has been correctly wired. It's rated at 3Kw and is wired with 2.5mm2 cable from a 16a MCB. The isolator switch is embossed 'immersion heater' and matches the images of 20a...
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