Quote:
Originally Posted by nikhsub1
Seems to me there is air in your system. I have a 15R as well, and it is just about silent. The pumps do get hot, totally normal but what voltage pump do you have? 100V? If it is 100v (which mine is) you should use (I never did) a resistor to drop the voltage down. So, my guess is air in the loop or a faulty pump, but my money is on air.
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since dogbait (like me) is in the UK (230V, 50hz) hopefully he's using
something to convert the voltage if it's not a 220V MD-15.....