the other thing that struck me as odd. when my DW300 failed. i replaced it with another dw300 that i bough pre-installed in a radium surge can direct from radium. The pumps were different, the plastic section was a different colour and it had different numbers on the case. i though it was due to the new pump being newer etc. But it could have been because the old one was not a genuine? just thinking aloud.

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Doing it for all the wagons out there