The AS888 automatic switch has a time-proven micro switch without mercury. When water exceeds
the acceptable level, the pump is turned on by a rolling steel ball, which changes the pressure on the
For full automatic bilge pumping operation, connect the automatic switch to your bilge pump.
The AS888 attaches to any SPXFLOW Johnson Pump bilge pump through the clip on ”T-slot” and
can be used with 6, 12, 24 or 32V systems