I like the Sequence Dart pumps, but like anything they too need to be repaired as parts give out over time. I looked at the twin pumps that run 24 hours a day, and was surprised to see salt creep and crusty stuff amassing in their vicinity. Yuck! I called up the people at Reeflopumps.com and they shipped me out new seals and four new bearings. When you have the pump pulled part for the seals, it's only a little ...