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  1. J

    Boiler breakdown courses?

    Can anyone recommend any breakdown cours(es) that could help me pick up some new stuff/tips etc? I have been doing installs for years and want to move into the breakdown sides as my legs and back is not very good! :cry: I have done some breakdowns, faults such as fans, aps, expansion...
  2. J

    Testing a Thermistor

    What is the best way in your opinions to test them? I test them with resistance, with power off and lead(s) removed - and look for a stable reading (when cold) within calibration range as per chart - is there a better way to test for a faulty thermistor?
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