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pump not sucking water

PostPosted: Wed Feb 11, 2015 11:30 pm
by mtodd001
I have a 170DM5 - Stenner Pumps Chemical Feeder and it is not sucking water into suction side. The roller turns but not water moving. I have new #5 tubes.

Re: pump not sucking water

PostPosted: Thu Mar 05, 2015 10:01 am
by dcohan
Have you expanded the roller assembly when you changed the tube ? If you have a quick pro head the rollers must be expanded when you change tubes. Are the ferrules installed correctly ? Check the foot valve / strainer. It could be clogged