Quote Originally Posted by heatingman View Post
That outer sleeve might be your problem.

The coupler is meant to absorb some of the vibrations.
The coupler is still absorbing vibrations, the switch fell out due to it being bumped. It’s in a pretty poor location without protection.

I’m going to install a clamp over the switch so it won’t get damaged again.

I agree a 2 stage will pull deeper more quickly, but I just wonder how much difference it would show in a real world test. It’s not like I’m going to buy a single stage.