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  1. R

    Potterton Promax Combi HE+ Hot Water Temp Low

    Hi Andrew, Just wanted to say a huge thank-you!!! I've just replaced the sensor and have hot water again :) The old sensor gave a reading of 1.8 where the new one was indeed within a hairs breadth of 12. It shows signs of very slight water seepage so I've made sure to clean up the mating...
  2. R

    Potterton Promax Combi HE+ Hot Water Temp Low

    Thanks for the message Andrew! Any idea if this might be a DIY replaceable part in this boiler type? Many thanks Richard
  3. R

    Potterton Promax Combi HE+ Hot Water Temp Low

    Hi All, I have a Potterton Promax Combi HE Plus combi boiler. It was fitted when the house was built about 4 years ago and has been fine until this morning. I was only able to get a useable temperature for a shower by turning the shower temp to the max position and even then it was lukewarm...
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