Recent content by MrTM

  1. M

    Strange immersion heater / CU problems, help please!

    Only problem is that the MCB is definately broken. I could switch it with the MCB that controls the working switch and try this though to ascertain if top element is broken. Time for one of those head in hands, Victor Meldrew "I don't believe it" style breakdowns. I now think the mysterious...
  2. M

    Strange immersion heater / CU problems, help please!

    I've added a clearer pic. I'm 100% positive that switch 2 (the broken one) is wired to an MCB in the standard CU and that switch 3 is wired to an MCB in the Eco 7 CU. I'm not quite sure how I will verify which element they control as the wiring is out of sight and awkward, but I'll give it a...
  3. M

    Strange immersion heater / CU problems, help please!

    PS, The numbers represent the three switches: Switch 1, next to the heater, operates 24/7 and I believe acts as the boost / top element as the water heats faster with this activated. Strangely, this is wired into the ring main MCB. Switch 2, operates 24/7 and I believe controls the...
  4. M

    Strange immersion heater / CU problems, help please!

    LOL, spot on, I was on Amazon a couple of nights ago considering picking up a cheap one. The flat is my first place and I've been picking up tools & gizmos as I go. Its an old installation. There were two storage heaters in the flat originally, but one had been removed and the other was...
  5. M

    Strange immersion heater / CU problems, help please!

    I thought that dual element heaters were installed vertically? There are two seperate horizontal elements so I assumed they would be both single element. I have done this and I'm now convinced that at the very least the MCB is damaged. There are indeed two CU's next to each other. So far...
  6. M

    Strange immersion heater / CU problems, help please!

    I'm beginning to think thats definately the case. I just hope is wasn't the immersion heater that caused it to fail, as then I may need a plumber after all!
  7. M

    Strange immersion heater / CU problems, help please!

    Hello all, I have a strange issue with my immersion heater. Its a 'super seven' Economy 7 immersion heater, unknown age (could be anything between 1 and 30yrs old) with two horizontal entry heating elements. The heater is controlled with three flip switches (no timers!). As far as I can...
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