DerbyBorn Wrote in message:
of hot water with a dash of washing
powder. Vinegar, perhaps?


Are you sure it is getting a flow through the pipe. It sounds like you have
done what was needed. (Drill seems a bit over the top)


+1 as you've removed the jet, can you check there's a good flow
out the pipe? If not and the pumps working, there's a
leak...
--
Jim K


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