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Shurflo 359-111-40 Caged Float Switch 12/24V DC Non-Mercury Bilge Pump

Manufacturer

Shurflo

<h3>About Shurflo: Decades of Reliable Fluid Transfer Innovation</h3><p><strong>Shurflo</strong>, a Pentair brand, has been engineering dependable water pumping solutions since 1968. What began as a mission to supply the recreational vehicle industry with a reliable fresh water pump has grown into a comprehensive lineup trusted by boaters, RV enthusiasts, and industrial users worldwide. Today, Shurflo's legacy is defined by a deep understanding of the RV, marine, and industrial markets, consistently delivering pumps and accessories that stand up to the toughest conditions.</p><p>Shurflo pumps are used across an impressively wide range of applications, including water delivery, waste evacuation, filtration, engine cooling, evaporative cooling, and even dust suppression for industrial environments. Whether powered by air or electricity, Shurflo diaphragm pumps are engineered to perform in places where gas motors are impractical, unsafe, or simply too loud.</p><h3>Marine-Grade Performance, Engineered to Last</h3><p>On the water, Shurflo has earned a reputation for building products that thrive in harsh marine environments. The brand's <a href="/7568-shurflo-wash-down-pumps-systems-201156">wash down pumps and systems</a> are a go-to choice for boaters who need reliable, high-pressure flow for cleaning decks, cockpits, and gear. The Pro Blaster II series, for example, is a well-known workhorse that delivers consistent output in demanding conditions.</p><p>For boats that require a steady, pressurized water supply throughout the vessel, Shurflo's <a href="/7568-shurflo-water-pressure-system-pumps-201165">water pressure system pumps</a> — including the popular Aqua King and Revolution series — deliver smooth, consistent flow at all operational ranges while drawing low current. These pumps are self-priming, designed to operate without harm when run dry, and thermally protected to ensure long service life.</p><p>Anglers will appreciate Shurflo's dedicated <a href="/7568-shurflo-livewell-aerator-pumps-200624">livewell and aerator pumps</a>, which are built for continuous-duty submersible use. Equipped with anti-airlock features and constructed with high-density nylon housings, these pumps keep bait and catch healthy trip after trip.</p><h3>Complete System Support: Tanks, Accessories &amp; Waste Management</h3><p>Shurflo rounds out a complete onboard water system with <a href="/7568-shurflo-accumulator-tanks-200063">accumulator tanks</a> that reduce pump cycling, smooth out pressure fluctuations, and extend pump life — a smart addition to any pressurized water system. For sanitation needs, Shurflo's <a href="/7568-shurflo-macerator-waste-pumps-200645">macerator and waste pumps</a> offer powerful, reliable waste evacuation backed by a thermally protected motor, a dual-cut blade design, and run-dry capability, making them well-suited for both marine and RV sanitation systems.</p><p>From the first pump installed in a 1968 coach to today's advanced fluid transfer systems, Shurflo continues to set the standard for quiet, efficient, and long-lasting water pumping technology across the RV, marine, and industrial worlds.</p>

Part Number

359-111-40
09/12/2036 8:22 AM
Sale Price

$36.32

2 left at this price

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Usually delivered within 2 days

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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 Shurflo 359-111-40 is a reliable mechanical float switch designed for automatic bilge pump activation in marine applications. This non-mercury switch features a protective cage housing that prevents jamming from debris, ensuring consistent performance in demanding marine environments.

Key Features:

  • Mercury-free mechanical contact design for environmental safety
  • Protective cage housing prevents debris interference
  • Ignition protected for safe operation
  • Includes 3-foot tinned wire leads for corrosion resistance
  • Compatible with both 12V and 24V DC pumps
  • Durable ABS plastic construction
  • ISO 8849 approved

Technical Specifications:

  • Voltage: 12/24 VDC
  • Maximum Amperage: 12A @ 12V DC; 6A @ 24V DC
  • Dimensions: 4 3/8" L x 3 9/16" W x 1 5/16" D
  • Wire Leads: 3 feet, tinned copper
  • Material: ABS plastic
  • Approvals: ISO 8849

This proven float switch design provides dependable pump control for bilge pumping systems, backed by a three-year limited warranty. The mechanical contact system ensures reliable switching without the environmental concerns associated with mercury switches.

Products specifications

Dimensions

4" Width x 2 3/4" Height x 5" Length

Type

Float

Warranty Details

Two Year Limited

great pricing

Fast, easy and very competitive prices. The customer service was very good with a quick and helpful response. I will shop here again!

Easy

Simple and easy so far

So far so good. Fast, easy and no gimmicks.

would have bought more but shipping wasnt combined. still not a bad deal

It was helpful and I could navigate easy . Good parts , crazy shipping prices but it's german cars and I got it fast so no complaints here.

Good. Very satisfied with my purchase and delivery availability

lowest price for backrack toolbox brackets. insanely fast ground shipping. ordered Tuesday, received Thursday afternoon.

This is the first order that I have placed with Autoplicity. I found that they had the best price for the product that I ordered and also had some very good reviews from other satisfied customers.<br>

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