Description
The Rule 40A Rule-A-Matic Plus is a covered float switch designed for automatic bilge pump control on 12V, 24V, and 32V DC systems. Its integrated protective cover shields the float mechanism from debris and jamming, while the switch supports pumps drawing up to 20 amps. The unit activates pumps at approximately 2 inches of water and shuts them off near 3/4 inch for efficient bilge management. || Built for recreational and commercial marine applications, the 40A helps reduce manual pump operation and supports high-water alarm systems. The impact-resistant housing and 14-gauge blocked wiring are engineered to resist water intrusion and corrosion in demanding marine environments. || A built-in test feature allows quick verification of pump operation without lifting the float. The compact housing fits common bilge compartments, and the removable mounting design simplifies installation and maintenance. Backed by a 2-year warranty, the Rule 40A remains a trusted choice for dependable automatic bilge protection.


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