Johnson Pump Bilge Switched Automatic Float Switch - 15amp Max – Marine Electrical Replacement Part is organized for electrical wiring & connectors shoppers who need a clear, professional marine parts buying experience.Automatic Switch AS888 For full automatic bilge pumping operation, connect the automatic switch to your bilge pump. 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 micro switch. The AS888 attaches to any SPX Johnson Pump Marine bilge pump through the clip on "T-slot" and can be used with 6, 12, 24 or 32 V systems. Use AS888 for a better and safer life afloat!Fitment & Product Details Brand / Manufacturer: Johnson Pump, Mercury, Johnson Voltage: 32V Search-optimized by brand, system, part type, and fitment cues. Verify compatibility with your original part number, engine model, and application before ordering. Built for boat owners, e-commerce shoppers, and professional marine service teams.