20 WATER SYSTEMS
attwoodmarine.com
Bildge & Float Switches S3 Series Automatic Bilge Switches
Incorporates a proprietary Electronic Sensing technology to detect bilge water levels and trigger pump activation and has been engineered to operate in any bilge water mixture consistently without failure. Your pump won’t be exposed to continuous cycling as the S3 switch can easily distinguish splashing bilge water, chemicals, sludge build up or foam, and comes equipped with fully sealed electronics that are completely protected from water or chemical damage. For added convenience, the bilge switch can be mounted on the floor of the bilge, directly to a stringer wall, or alongside the basket of the pump without added components or brackets. The S3 Series switch is also directly compatible with all competitive products and free of moving parts that can jam up, break or wear
out over time. Marine ignition protected and RoHS compliant. Description Max. Pump Amp Draw Rated Voltage Wire
4801
OEM Part # Part #
4801-1
4801-7
Switch, White
15A
12V
36" wire
Float Switch Cover
Automatic Float Switches Converts bilge pumps to fully automatic operation. Maximum amp draw is 12A (at 12V DC) or 6A (at 24V DC). Features a compact, low-profile design that mounts on any surface from horizontal up to a 24° angle. Incorporates a reliable and affordable mechanical switch that actuates pump motor at 2" water level. Wire leads do not flex or hinge with the float as on some competitive models. Integral cover dampens bilge sloshing to reduce pump cycling, and prevents debris interference. Sealed switch mechanism resists moisture, fume-ignition, and electrical shock. Contains no mercury, which is listed as a health hazard and “Persistent Toxic Substance” in over 26 states. Marine ignition protected and RoHS compliant.
Test Knob
Float Switch with Cover Description
Rated Voltage
Wire/Connector OEM Part # Part #
4201-1
4201-7
Float switch with cover
12V and 24V CE rated
36" wire
5-1/4"
2-7/8"
3-7/8"
2-7/8"
4201
Float Switch Description
Rated Voltage
Wire/Connector OEM Part # Part #
4202-1
4202-7
Float switch
12V and 24V CE rated
36" wire
2-5/8"
2-7/8"
4202
1-3/8"
3-7/8"
4-1/4"
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