It enables you to give the motor a quick run up to test it before launching
without trashing the impeller..

Oh, yeah, I always take the rubber impeller out of the pump
for Winter layover.

Why do you do that? Does it deteriorate if left in?

"Edgar" wrote in
| It enables you to give the motor a quick run up to test it before launching
| without trashing the impeller..


Duh! Put a garden hose and plunger thingie on it. Much less trouble.

Cheers,
Ellen