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  1. K

    Pump runs OK on the bench, so what's the problem?

    Hi chaps and thanks for all the helpful stuff. In the end it turned out to be the air control valve venturi, does that make sense? The part was £2.
  2. K

    Pump runs OK on the bench, so what's the problem?

    Come on chaps, :) if you don't spill the beans it means I'll be going out tomorrow and spending money and I may not have to.
  3. K

    Pump runs OK on the bench, so what's the problem?

    Hi, Ferroli 30 boiler, symptoms are that the burner shuts down after a few minutes of starting when the central heating switches on. There is usually a humming noise coming from the pump, which suggested to me that the pump was getting power but wasn't actually turning and was obstructed in...
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