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immersion

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  1. D

    Light switch question

    Can I wire a immersion heater switch to be a normal light switch which shows the garage light is on by the LED on the immersion heater switch Garage light switch is in the kitchen
  2. P

    Supply for 2 x immersion heaters.

    Hi everyone I have 2 x 250 litre unvented indirect DHW cylinders. The primary heat source is the oil fired boiler, but both cylinders have backup immersion heaters. Currently, only one of them is connected - it has a dedicated circuit with a 16a mcb and a DP switch. The cable is massive -...
  3. brixtonia

    Power meter for domestic immersion heater

    I'd like to track the power usage on my 4kw electric immersion over time. Can anyone recommend a relatively inexpensive 20A min meter which I can fit in line?
  4. 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...
  5. brixtonia

    Immersion Thermostat wire burns out

    I have a 4kW immersion heater in a thermalstore - very recently replaced by a plumber as the previous one was leaking. Supplied with a cotherm thermostat and a second pocket for a safety cutout into which the safety cutout from the previous immersion was fitted and seems to be working fine. I...
  6. 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...
  7. 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,
  8. J

    1.5mm T+E cable loading

    I have a question,about cable loadings, just to satisfy my own curiousity. The background detail is a bit long, apologies. If you get bored easily, probably stop now. I went to help a friend out who had a trailing cable in the utility area of their one bedroom flat, and also wanted a like for...
  9. 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...
  10. 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?
  11. 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?
  12. 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...
  13. T

    Rewire of apartment with economy 7, storage heaters, immersion & UFH

    Hi all looking for a bit of advice. I've been asked to price a rewire for a early 70's build 2 bed apartment. The apartment block was built in the very early 70's. It has 2 consumer units (one being economy 7) and appears to have underfloor heating in the rooms, 2 storage heaters & an immersion...
  14. S

    Problems with Immersion Heating element

    Hi - our heating has packed up and we are trying to resurrect our immersion heater. We put a new heating element into it yesterday and all seemed well - it heated the tank of water. Then we had a power cut and this morning we can't get it to work again. We've changed the fuse and checked that...
  15. brixtonia

    Max immersion heater on 60A circuit?

    Hello, What would be the max Wattage immersion heater I could comfortably install on a dedicated 60A circuit? Not DIY but trying to figure out some options before speaking with contractors. Cheers!
  16. J

    UK Horstmann Electronic 7 only working with boost, not timer

    Hi, We have just moved into a new flat with the old Horstmann electronic 7 timer for our immersion boiler. We just moved from a flat with the exact same system and never had any issues. We have set the timer and the times for the off peak boiling and have had no hot water for 3 days. The boiler...
  17. K

    Where can I Install an Immersion heater Switch

    Hi Everyone, I'm New to this forum and am hoping to obtain some advise if possible please? I have a situation where a megaflow system is installed in the Attic of a semi detached property. The Immersion heater switch has been installed by someone in the airing cupboard which sites at the end...
  18. F

    UK Wiring up an immersion heater to a smart switch - what do I do with the earth wires?

    Having just replaced an immersion element with its life expired cable and switch, I'm thinking of replacing the switch (20A double pole) with a smart version so that I can control the hot water from my phone etc. Both the immersion heater and the current switch have earth terminals, however the...
  19. C

    45 AMP DP ISOLATOR SWITCH TO IMMERSION HEATER QUERIED BY ELECTRICIAN

    Hello All, Sorry if this is a ridiculous question - as I am not an Electrician I wanted to check whether my initial thoughts were correct before answering a question from a neighbour I have been asked by a neighbour whether a 45 Amp DP switch with Neon indicator is a correct isolator switch...
  20. J

    IMMERSION HEATERS

    I HAVE 3 IMMERSION HEATERS IN 4 TANKS ALL ON 480VAC SINGLE PHASE CIRCUIT THE CONTROL BOX WIRES BURN RIGHT BEFORE THE CONTACTOR. I HAVE SIZE 10AWG WIRE FROM BREAKER TO BOXES ALL WHICH HAVE BURNED BEFORE THE CONTACTOR BEFORE IVE BEEN REPAIRING WIRES EACH TIME IN ORDER TO KEEP THEM RUNNING. THEIR...

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