Quote:
Originally Posted by FF
"I have 2 of those Sendure inline strainers before the pumps."
Before the pump filters only water entering the pump
After the pump catches even tiny bits of impeller.
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When an impeller sheds its vanes, the debris are forced into the pumps gratings by the remaining vanes, and though you might think that would be only on the downstream side of the pump, it can happen on the intake side too.
These will lurk between the pump and he strainer, often only blocking the pump inlet when the motor is revved up.
So a wye strainer on both sides of the pump is not too far fetched, for those that refuse to install a new impeller annually.
Two of them before the pump might have been an attempt to sidestep an intake strainer.