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immersion

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  1. E

    Immersion heater problems!

    Good evening everyone :), I’ve recently moved into a new flat that is completely electric (It’s got a dual immersion heater) and just had a smart meter installed. The dual immersion heater and has two separate switches - one is labelled top. I’ve had them both on since moving in but just seen...
  2. M

    Immersion Heated Switch

    Hello, We have a water tank and with all the Energy talk at the moment, we’ve been told to check that the immersion isn’t on all the time! We have constant hot water so my assumption is that it has been left on. This may sound like a stupid question but is the the correct switch to keep...
  3. M

    immersion heater failed after 4 months

    Is there any reason other than poor element. Why an immersion heater would fail 4 months after fitting on an unvented cylinder? Apparently it has power too it etc. Thanks. It isn't the original one either.
  4. C

    Lower flow temperature in vented HWC w/immersion heater weekly cycle?

    Newly bought home has somewhat older plumbing, but recently fitted condensing gas boiler & HW cylinder. System is open vented. When we moved in we had a few control problems, engineer who fixed it replaced the programmer, said there were a few broken wires (which he somehow managed not to use)...
  5. H

    A leaky immersion tank

    I have a gas boiler in the kitchen which heats the water to the upstairs immersion heater/tank. Last night, my girlfriend and I had a bath each, which in turn took up all the hot water from the tank and during the night, it started leaking (while in bed, I heard droplets of water, that seeped...
  6. H

    immersion heater not turning on

    Hello Thank you for joining me I really hope someone can help me here I am having a problem with this immersion heater on the picture, I can't turn it on. I had an electrician coming about 1 month ago, he did set it to turn on for 2 hours in the morning and 2 hours in the evening but I...
  7. orangemars2000

    Immersion heater very little hot water

    I moved into a flat over a month ago now and realized when trying to take a shower that there was little to no hot water - at this time I would turn the water on full out, it would stay cold for maybe 30 sec, it would then get noticeably warmer (lukewarm) and then run out again in maybe 15...
  8. C

    Hot tank with two immersion heaters

    Hi everyone I have a 20 year old Megaflo CL250 indirect hot water tank that I typically heat with an oil-fired boiler. It has locations for two immersion heaters (one at the base of the tank and the other halfway up). Only the lower immersion is installed and the other (halfway up the tank) is...
  9. T

    What size thread for Immersion Heating Element?

    Hi, I want to fit an immersion heating element to my hot water tank (water is currently heated by gas). I'd like to buy it before I start draining water from the tank. The plug in the tank has a 1 1/4" nut on a pate approx 3" in diameter, does anybody know what size thread the tank will have...
    • Tony Griffin
    • Thread
    • heating immersion size
    • Replies: 2
    • Forum: UK Plumbers Forums
  10. P

    Immersion diversion advise

    Hi all, I'm just after some knowledge to something i came across today. I was asked how a direct unvented cylinder worked in an apartment a few doors down to where i was working. The couple just moved in and wanted some advice, They had only been in the apartment for two days and used to have a...
  11. S

    Immersion Heater Overheating & Kettling

    Hi All, My nans hot water recently stopped working which resulted in an extremly over priced plumber coming out and replacing both elements in the immersion tank. Aside from a huge price tag, it seemed the issue was resolved... until a few weeks back The cut off switch keeps going off if the...
  12. R

    Immersion heater has water in the cap

    My immersion heater tripped the mains breaker, when I took the cap off it was full of water and the element seems to be shorted to earth. It's been there for a while so ok I need a new one but how is the water getting into the cap. I cleaned it up and left the cap off check next day full of...
  13. U

    Why do I have to keep re-setting the immersion heater thermostat

    Dear All, My hot water cylinder (approx 45 years old) is fitted with a bottom mounted immersion heater controlled via a timer and an Essentials 7" TS220 thermostat bought from Screwfix. The cylinder itself is well lagged with two jackets and the timer kicks in every evening for 3 hours...
  14. Jeffrey Griffin

    dual immersion reset button melted!

    hi there. immersion hasnt been heating water. tests resistance and wiring and all is ok. but the reset button had melted!! without going to the hassle of replacing the entire immersion would it be possible just to swop out the thermostat for one with a rest button on it and connect the wiring...
  15. G

    Any gotcha's to drain and refill a hotwater tank to replace 2 x immersion heaters?

    My daughter has all electric heating, however, the lower economy 7 immersion has failed (high resistance short to earth). I received what I consider a ridiculously high quote of over £400 to drain the tank and replace both immersions (upper boost immersion is working but 8 years old so I assume...
  16. A

    Boiler broken and using immersion heater for the first time!

    Hi all! Need some newbie advice please... I have an unvented system boiler set up and the boiler has broken down due to pressure loss (engineer coming monday) I have switched off the boiler. The hot water cylinder has an immersion heater element, is it simply a case of turning the element on...
  17. MrGatch

    Burning Smell and Flames on Electrical Immersion

    I have a smell of burning from the immersion on hot water cylinder. The overheat pin had popped out, but when I popped it back in and switched on there were tiny smouldering flames around one of the contacts where the thermostat connects to the immersion. Separately I've replaced the timer as...
  18. B

    Willis Immersion issue - no hot water getting to main tank

    Replaced a Willis (Belfast) immersion heating in an open vent heating system. Willis is working ok but flow of heated water see wrong and does not generate a lot of hot water. Symptoms are (See diagram): Flow from hot tapes fine (no air locks). Tank heats up using house oil indirect heating...
  19. MrGatch

    Immersion Cover Nuts

    Hi, I've just bought two new plastic covers for cylinder immersion heaters as they are both missing on the cylinder. Does anyone know what the thread size for the small securing nuts that I need to attach the covers to the immersion? Thanks
  20. B

    What power cable for immersion heater?

    An easy one... The power cable from my immersion heater controller to the heater itself needs replacing. It's been stripped back so many times over the years that it's getting too short. Can someone qualified tell me exactly what cable to ask for? From what I've read, it would be a three-core...
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