Search results

You nailed it! I had only a single check valve installed, above the Y, so my main pump was sending a good percentage of its outflow right back into the pit through the air lock hole in the backup pump's half of the Y. Since the backup's controller has been malfunctioning of late, I've...

I've got a new Zoeller 1/2 HP pump running fine, accompanied by a Watch Dog battery backup, both connected to separate outflow pipe that Y inside the pit, with a check valve about 18 inches about the pit lid. Problem seems to be that this time of year when ground is still saturated from spring...