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Rule-A-Matic-Float Switches

Rule-A-Matic-Float Switches

The bilge pump empties the boat of water to prevent it from sinking. Normally, the crew manually turns on the pump. Installing a Rule-A-Matic float switch provides extra protection. The float switch detects when the water in the boat rises to a certain level, then automatically turns on the bilge pump. In this situation, the pump empties the water from the boat even if the crew is not aboard. Once the pump finishes emptying the water, the switch turns it off. Dependable Silver Tin Oxide contacts have replaced the mercury used in the previous generation of this switches.

Questions & Answers

These float switches are designed for use with fresh water and salt water ONLY. Use with any other hazardous, caustic, or corrosive material could result in damage to the pump and the surrounding environment, possible exposure to hazardous substances and injury.
Disconnect power from the system before working on the unit to avoid personal injury, damage to the surrounding environment and/or damage to the unit.
Switch must be mounted equal to or above the pump base for positive shut-off.
Keep all wire connections above the highest water level. Wires must be joined with butt connectors and a marine grade sealant to prevent wire corrosion.
Always install proper fuse size to prevent damage to product should a short occur. Failure to install proper fuse could increase risk of pump malfunction potentially resulting in personal injury and/or fire hazard
It is recommended you mount the float switch on a level platform although the float switch can be mounted up to a 15 degree angle. Note: Model 40 Float Switch if mounting fore and aft centerline of vessel, point wires to exit towards the stern.
Connect the Brown (Positive) wire from the pump to one Gray wire from Float Switch. Connect the other Gray wire from the Float Switch directly to Positive power supply (Fuse Protected). The Black (Negative) wire from the Bilge pump connects to the Negative battery terminal or Negative buss bar. Wire the pump directly to the power supply, this will ensure the pump has power if the power system on boat has been isolated.
One Gray wire from the float switch connects to the solid Brown (Positive) wire from Non-Automatic Bilge Pump. The Third wire needs to be connected and run directly to the two position Panel Switch. The other Gray wire should be connected directly to the Positive power supply (Fuse Protected). Connect the Black (Negative) wire to the Negative battery terminal or buss bar. Wire the Bilge pump directly to the power supply, this will ensure the pump has power if the power system on boat has been isolated.
One Gray wire from the Float Switch connects to the solid Brown (Positive) wire from Non-Automatic Bilge Pump. The third wire should to be connected directly to Manual side of Panel Switch. The other Gray wire from the Float Switch connects directly to the Automatic side of Panel Switch. Connect the Black (Negative) wire to Negative battery terminal or buss bar. Wire the Bilge pump directly to power supply, this will ensure that pump has power if the power system on boat has been isolated.

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