Bilge Pump Switches




AUTOMATIC FLOAT SWITCH

Converts any bilge pump that draws 10 amps or less to fully automatic operation. Because the manual pump may already be installed in a confined area, the switch features a compact, low-profile design. Can be mounted on any surface from horizontal up to a 24 degree angle. The integral cover dampens bilge sloshing to reduce pump cycling and prevents debris interference. Switch mechanism is completely isolated and sealed to resist moisture, fume ignition, and electrical shock, and contains no harmful mercury or flexing wires. 5-1/4"L x 2-7/8"H x 3-7/8"W.

Order # Mfg. # Description Availability
0371015  4201-7 Float Switch w/Cover CLICK HERE
0371474  4202-7 Float Switch Only CLICK HERE

MICRO FLOAT SWITCH

Make any bilge pump operate entirely automatically. A time-proven micro-switch is sealed inside the thermoplastic housing and activates your bilge pump with an audible click. As water exceeds acceptable levels, the pump is turned on by a rolling steel ball that changes pressure on the micro-switch. Rapid on-off cycling is prevented by a built-in differential of 1-5/8" and by an exclusive anti-spike feature. A special slide-on "T" slot lets you attach the #2601 Switch instantly to any Mayfair bilge pump.

Order # Mfg. # Description Availability
2321145  26014 Float Switch CLICK HERE

BILGE PUMP SWITCH, 3 WAY PANEL

Controls pumps equipped with automatic float switch. Toggle has three positions (Automatic/Off/Manual) with spring return to Off from the Manual position. Panel is black stainless steel with red indicator light and fuse holder. 3-1/4"W x 2"H, 12V, 20 amp max.

Order # Mfg. # Description Availability
3361019  41 Auto/Off/Manual CLICK HERE

AUTOMATIC ELECTRO-MAGNETIC FLOAT SWITCH

Solid state electronics, epoxy encapsulated to prevent wicking. Contains no mercury. High impact plastic housing, chemical and fuel resistant, with capped vent to prevent false starts.

Order # Mfg. # Description Availability
2321142  36152 Electro-Magnetic Float Switch CLICK HERE

BILGE PUMP SWITCH/CIRCUIT BREAKER

Injection molded ABS. Allows automatic and manual switching. Red LED light when in manual mode. Green LED light when in automatic mode. Back lit features. 20A circuit breaker. 2-3/16" x 3". Display packed.

Order # Mfg. # Description Availability

3407240  
423040-1
3-Way Switch/Circuit Breaker
CLICK HERE

ULTIMA AUTOMATIC BILGE PUMP SWITCH

Digital technology with patented Mirus field effect detector cells producing micro-electrical fields that detect disruptions caused by water and fluids. Detector cells are totally sealed are never in contact with the water, will not corrode and are not affected by oil or foreign debris. No moving parts, totally sealed solid state electronics and field detectors, no mercury and no exposed sensors .Activates at 2" fluid level and deactivates at 3/4" fluid level. Eight second delay prevents false starts. Handles pumps up to 20amps at 12 or 24 volts.

Order # Mfg. # Description Availability
2321120  36303 Ultima Auto Bilge Pump Switch CLICK HERE

RULE SUPERSWITCH™ MERCURY-FREE FLOAT SWITCH

Non-mercury SuperSwitch is designed for the toughest applications. Features marine grade 14 gauge “blocked wire”, larger float for increased buoyancy, removable base for easy servicing and snap switch design capable of handling pumps drawing up to 20 Amps. Now backed by 5 year warranty. 12, 24 or 32 VDC. 5"L x 2"W x 2"H.

Order # Mfg. # Description Availability
3361083  37A Rule SuperSwitch™ Float Switch CLICK HERE
3361109  37FA Rule Superswitch™ Float Switch w/Fuse Holder CLICK HERE

RULE-A-MATIC® MERCURY-FREE AUTOMATIC FLOAT SWITCH

The popular Rule-A-Matic® switch, conveniently redesigned with removable base for easy cleaning and servicing, mercury free snap switch tested to over one million cycles and marine grade “blocked” wire. Designed for pumps drawing up to 14 Amps, 12, 24 or 32 VDC. 4-1/2"L x 1-1/2"W x 2"H.

Order # Mfg. # Description Availability
3361081  35A Rule-A-Matic® Float Switch CLICK HERE
3361082  35FA Rule-A-Matic® Float Switch w/Fuse Holder CLICK HERE

RULE-A-MATIC® PLUS™ MERCURY-FREE AUTOMATIC FLOAT SWITCH

Sleek and rugged with strong, fully integrated, impact resistant cover to protect against debris and jamming. 14 gauge highly abrasive resistant marine grade wire, built-in test feature. Designed for pumps drawing up to 20 Amps. 12, 24 or 32 VDC. 4-7/8L x 2-1/2W x 2-3/4H.

Order # Mfg. # Description Availability
3361084  40A Rule-A-Matic® Plus™ Float Switch CLICK HERE
3361085  40FA Rule-A-Matic® Plus™ Float Switch w/Fuse Holder CLICK HERE

BILGE WATER ALARM PANEL WITH PUMP SWITCH

Provides audible and visual means of warning that water level in bilge is beyond bilge pump float switch level. Does not require separate bilge pump switch as the control switch selects between automatic and manual function of the bilge pump. Rated at 15 Amps. 2-7/16"H x 4-1/2"W. Display packaged. NOT FOR USE WITH PUMPS THAT HAVE BUILT-IN SWITCHES.

Order # Mfg. # Description Availability
3402110  423035-1 Bilge Water Alarm/Switch CLICK HERE

HI-WATER BILGE ALARM

Consists of a non-mercury float switch and in-dash gauge that features both visual and audible 85 db alarm. Allows an unmanned compartment to be constantly monitored. For additional compartments add additional Rule Float Switches. Complies with CFR 182.530 which requires a visual and audible alarm in each unmanned space on commercial vessels at least 26' (7.9m) in length. 12V.

Order # Mfg. # Description Availability
3361108  33ALA High Bilge Water Alarm
CLICK HERE

HYDRO AIR AUTOMATIC BILGE PUMP SWITCH

Automatically operates bilge pump once water level reaches 2-1/4". As water rises in the bilge, air pressure in the bell and tube increases to start pump. Air operated, no submerged electrics, safe and reliable. Ignition protected. Allows automatic operation of bilge pumps or audible, visual high water level alarms. Turns on at 2-3/16", off at 1". Diaphragm switch can be mounted up to 10 ft. above plastic airbell.

Order # Mfg. # Description Availability
3041385  59400-0012
Hydro Air Bilge Pump Switch, 12V CLICK HERE

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