Johnson Automatic Bilge Pump Switch AS888 (12V / 24V)

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For full automatic bilge pumping operation connect the automatic switch to your bilge pump. This 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 micro-switch. May be attached to any Johnson bilge pump through the slide on "T" - slot for 12 or 24V systems. 15 Amp max. Max operating height 95mm. O. A. size. Length 115mm x width 75mm Caution: Not to be used at more than 180 watts Show more