hot water system

  1. L

    Help please: Pulsacoil 3 thermistor fault

    Good evening all, I hope someone can help. I have a PulsaCoil 3 that may or may not be on its last legs. The manual tells me that a flashing red LED on the circuit board means a 'pumped return thermistor failure'. Unfortunately I can't seem to find out where the thermistor is or even what it...
  2. Y

    No hot water unless immersion is on

    Hi all, Recently installed a nice little shower pump ....... and shower/taps mixer as our new flat only had a bath. Only problem since turning everything back on is that we don't get any hot water from the cylinder unless the immersion is on. Obviously going to be costing us a fortune in the...
  3. M

    Vibrations through house linked to feed and expansion tanks float valve

    Hi all, Apologies for the lack of knowledge here, but I will try and progress with what the internet has taught me so far. We bought our first house exactly a year ago, and all has been fine with the boiler and hot water system though the initial survey advised that the boiler was 20 years old...
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