MP40QD noise issue

GQuinn · 02/14/2018, 08:55 PM

I have two of these that I purchased together. One pump is almost silent, but the other one is noisy. You hear it ramp up constantly (even at a distance). Is there something to check or verify. I am only running it at about 60% power.

GQuinn · 02/14/2018, 09:00 PM

Quote:

Originally Posted by GQuinn

I have two of these that I purchased together. One pump is almost silent, but the other one is noisy. You hear it ramp up constantly (even at a distance). Is there something to check or verify. I am only running it at about 60% power.

02/14/2018, 08:55 PM	#1
GQuinn Registered Member Join Date: Feb 2005 Location: Indiana Posts: 982	MP40QD noise issue I have two of these that I purchased together. One pump is almost silent, but the other one is noisy. You hear it ramp up constantly (even at a distance). Is there something to check or verify. I am only running it at about 60% power.