I have 5 french drains that were overflowing with the heavy rains and rain gutters were spilling over. My previous zoeller lasted some 10 years and we live in a very wet neighborhood--sump pump runs a lot.

Zoeller heavy duty pumps are very powerful and very durable. Oil filled ones with electronic sensing turn on / off. Good old fashioned pump with a timeless design.

I agree with another reviewer that these pumps must have been made good if they are older ones, but the people who bought them in 2014-2017 in the 1-4 year range are all replacing them, pretty pathetic. Very disappointed with early failure - installed...  Read More

Problem is the float has too short of a cycle for a normal 20 gallon basin. You need a really wide basin for this to work correctly. No more zoeller pumps, going to try a more expensive liberty with the switch in the float.

When switched on the motor hums, but the rotor will not turn. It's as if the motor is flat spotted and won't rotate when current is applied.