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Rule Industries RM500B24 Rule-Mate Automatic Bilge Pump 500 GPH 24V

Manufacturer

Rule Industries

<h3>Rule Industries: Five Decades of Marine Pumping Excellence</h3> <p>Since 1965, Rule Industries has been a trusted name in marine solutions, setting the industry standard with high-performance submersible bilge pumps. As part of Xylem's portfolio of water technology brands, Rule has built an exceptional reputation among commercial fishermen, recreational boaters, and marine professionals who demand equipment that performs when it matters most. As marine technology developed, Rule stayed ahead, delivering pump systems that became the go-to choice for commercial fishermen and recreational boaters alike.</p> <p>Every boat owner faces the same challenge: water intrusion is inevitable. Whether from rain, splash-over, or slow leaks, managing bilge water is critical to vessel safety and longevity. That's where Rule's engineering expertise becomes essential. Rule pumps have built their reputation in the field—through storms, mechanical failures, and those high-pressure situations where reliable water removal is the difference between a close call and a catastrophe.</p> <h3>Comprehensive Marine Water Management Solutions</h3> <p>Rule's product lineup centers on one core mission: keeping vessels dry and operational in any condition. Their <a href="/6623-rule-industries-electric-bilge-pumps-200350">electric bilge pumps</a> form the foundation of this commitment, offering flow rates from 360 GPH to over 3800 GPH to match any vessel size and water accumulation challenge. These pumps feature marine-grade construction designed to withstand salt spray, temperature extremes, and constant moisture exposure that would quickly destroy lesser equipment.</p> <p>Understanding that automation is key to peace of mind on the water, Rule offers multiple control solutions. Their <a href="/6623-rule-industries-float-switches-200426">float switches</a> provide reliable automatic activation when water levels rise, eliminating the need for constant monitoring. For comprehensive vessel protection, Rule's <a href="/6623-rule-industries-bilge-pump-switches-alarms-200163">bilge pump switches and alarms</a> deliver layered safety systems that alert operators to water intrusion while automatically managing removal. Rule Automatic Bilge Pumps feature built-in sensors that check for water every 2.5 minutes, ensuring continuous protection without manual intervention.</p> <p>Beyond bilge management, Rule provides specialized solutions for other marine applications. Their <a href="/6623-rule-industries-air-pumps-adaptors-200078">air pumps and adaptors</a> support livewell systems critical for fishing operations, while their extensive range of <a href="/6623-rule-industries-plumbing-parts-accessories-200786">plumbing parts and accessories</a> ensures that complete fluid management systems can be built, maintained, and upgraded using Rule components.</p> <h3>Engineering That Stands Up to Marine Environments</h3> <p>Rule's commitment to quality and durability makes their pumps the first choice among do-it-yourselfers and professional installers alike. The brand's pumps undergo rigorous testing to ensure they deliver rated flow rates even under challenging conditions. Their cartridge-style pump designs allow for easy maintenance—when debris clogs the strainer or impeller, the motor cartridge can be quickly removed for cleaning and reinstalled, minimizing downtime.</p> <p>High-quality materials handle salt spray, temperature swings, and constant moisture without breaking down, designed to keep working in conditions that destroy lesser equipment. This durability translates to real-world reliability for boaters who need equipment they can count on when far from shore, facing rough seas, or leaving their vessels unattended.</p> <h3>Why Marine Professionals Choose Rule</h3> <p>Rule's position in the marine industry reflects decades of proven performance. The brand's pumps are specified by boat manufacturers, recommended by marine technicians, and chosen by vessel owners who understand that bilge pump failure isn't just an inconvenience—it's a serious safety risk. From small recreational craft to larger commercial vessels, Rule provides scalable solutions backed by widespread availability through marine dealers and distributors worldwide.</p> <p>Whether you're replacing a worn pump, upgrading to automatic operation, or building a new vessel, Rule Industries delivers the marine pumping technology that keeps boats dry, protected, and ready for whatever conditions they encounter on the water.</p>

Part Number

RM500B24
06/01/2036 5:45 AM
Sale Price

$88.98

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Rule Industries RM500B24 Rule-Mate automatic bilge pump delivers reliable, hands-free water removal for 24-volt marine applications. This fully automated pump uses advanced solid-state water sensing technology that eliminates the need for a separate float switch, providing true set-and-forget operation for your vessel.

Intelligent Auto-Sense Technology:

The pump automatically activates when water reaches 2.5 inches and shuts off at 5/8 inch water depth, keeping your bilge clear of nuisance water. The sensors measure dielectric constant and will only recognize water—pure motor oil that enters the bilge will not turn the pump on, making this an environmentally conscious choice. Unlike other automatic bilge pumps, there is no continuous power-draining test cycling.

Advanced Backup Protection:

If debris or contaminated water fouls the sensor, the pump's intelligent backup mode prevents battery-draining run-on conditions. The system will automatically enter a 2.5-minute cycle testing mode, continuing to check for and pump water while protecting your battery. Once the debris is cleared, the pump automatically reverts to normal level sensing operation.

Key Features:

  • 500 GPH (1,893 LPH) flow capacity at 24 volts
  • Solid-state water sensing technology—no float switch required
  • Compact design, two-thirds the size of previous models
  • Built-in thermal cut-off protection prevents overheating
  • Integral backflow prevention check valve reduces odor and keeps bilge cleaner
  • Hidden air vents help prevent airlocks in challenging installations
  • Anti-fouling impeller design
  • 3/4" threaded discharge outlet with included hose barb
  • Fully submersible and ignition protected
  • 3-year manufacturer warranty

The RM500B24 is ideal for boats and vessels with 24-volt electrical systems, offering dependable performance in a compact, maintenance-friendly package. The threaded discharge design makes installation and maintenance easier, while the snap-off strainer base allows for quick debris cleaning.

Products specifications

Amperage

1

Capacity

500 Gallons per Hour

Diameter

3/4 Inch & 1 Inch

Voltage

24 Volts

Activation Method

Automatic

Warranty Details

Three Year Limited Warranty

Easily found what I was looking for. Arrived quickly. Unfortunately, although the website said the product fit my car, it didn't. In fact the label on the product (pedal pads for Mazda Miata) indicated they were for a later version of the car, even though the website indicated they'd fit. Customer service was very responsive and refunded my money right away.

so far so good

Only one who had my camshaft got it in 2 days

Easy to purchase and fast!

I was a bit confused about the part selection for my Impala, so I took some extra steps to make sure the selection was as right as I could make it.

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