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

Manufacturer

Shurflo

<h3>Shurflo: Trusted Water Pump Solutions for Marine and RV Applications</h3> <p>Shurflo, now part of the Pentair family, has built a reputation as one of the most trusted names in water pump technology for marine, recreational vehicle, and industrial applications. For decades, professionals and enthusiasts alike have relied on Shurflo's engineering expertise to deliver consistent, reliable fluid movement in demanding environments. From weekend boaters to full-time RVers, Shurflo pumps provide the dependable performance needed when you're away from shore power and municipal water connections.</p> <p>What sets Shurflo apart is the brand's commitment to efficient design and durable construction. Their pumps utilize demand-initiated automatic operation, which means the pump activates when you open a faucet and shuts off when you close it—conserving battery power and reducing wear. The multi-chamber diaphragm design minimizes pulsation, delivering smooth water flow without the hammering or surging common in lesser pumps. This attention to detail has made Shurflo the go-to choice for boat builders, RV manufacturers, and aftermarket upgraders who demand quality.</p> <h3>Marine Pumping Solutions</h3> <p>On the water, Shurflo products keep boats clean and fish healthy. The brand's <a href="/7568-shurflo-wash-down-pumps-systems-201156">wash down pumps and systems</a> deliver the high-pressure spray needed to rinse decks, clean fish, and remove salt residue after a day on the ocean. These compact, self-priming pumps can run dry without damage and handle the corrosive marine environment with ease. For anglers, <a href="/7568-shurflo-livewell-aerator-pumps-200624">livewell and aerator pumps</a> ensure baitfish and tournament catches stay lively by maintaining proper water circulation and oxygenation in livewells and baitwells.</p> <h3>RV and Mobile Water Systems</h3> <p>In recreational vehicles and mobile applications, fresh water delivery is essential for comfort and convenience. Shurflo's <a href="/7568-shurflo-water-pressure-system-pumps-201165">water pressure system pumps</a> bring household-quality water pressure to RVs, campers, and off-grid cabins, automatically maintaining consistent flow from sinks, showers, and appliances. Paired with quality <a href="/7568-shurflo-water-inlets-pressure-regulators-201163">water inlets and pressure regulators</a>, these systems protect against overpressure damage while ensuring safe, controlled water delivery whether you're connected to campground hookups or running from your freshwater tank.</p> <p>Shurflo's engineering philosophy centers on low amp draw, quiet operation, and long service life—critical factors when you're dependent on battery power or limited electrical capacity. The brand's pumps feature built-in thermal protection and check valves to prevent backflow, and many models offer tool-free maintenance for quick diaphragm or valve replacement in the field. Whether you're outfitting a new vessel, upgrading an aging RV system, or replacing a failed pump, Shurflo delivers proven technology backed by decades of refinement in real-world conditions.</p>

Part Number

359-111-40
07/11/2036 8:28 PM
Sale Price

$36.32

In Stock (5)

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Usually delivered within 2 days

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No Hassle Returns

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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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Really easy

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