Auto-operation for any Johnson Bilge Pump. Auto-operation for any Johnson Bilge Pump - 12v, 24v, 32v Marine. Caution: Not to be used at more than 180 watts. Time-proven micro-switch without mercury. When water exceeds 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 and can be used with 6, 12, 24 or 32V systems. Rating: 15 Amps (Max) For full automatic bilge pump operation just connect this automatic switch to your bilge pump.
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