1. Boat Plumbing-Ventilation Offered
  2. sku: 6268473249655673
  3. ATTWOOD 4107-4

ATTWOOD 4107-4 Nos Automatic Float Switch Boat Motor 20FT

4107-4 Attwood Nos Automatic Float Switch 20ft Boat Motor

( Brand: Attwood ), ( Part Type: Switch Motor ), ( Manufacturer Part Number: 4107-4 )

Review ATTWOOD Nos Automatic Float Switch 20ft Boat Motor

The Attwood 4107-4 Automatic Float Switch is an essential accessory for any 20-foot boat motor that requires an automatic fuel shut-off system. This switch ensures safe and efficient operation of your boat motor by automatically cutting off the fuel supply when the water level gets too high in the carburetor or intake manifold.

This float switch is designed with high-quality materials, featuring a corrosion-resistant brass body and stainless steel float. The float is well-calibrated to respond accurately to changes in water level, providing reliable shut-off and restart functions. The switch is also equipped with a clear plastic housing that allows you to easily monitor the water level and check the switch's operation.

The Attwood 4107-4 Automatic Float Switch comes with four switches in a package, providing enough units for most boat motor installations. The switch can be easily wired to your boat's electrical system, with clear instructions provided in the user manual. The switch has a voltage rating of 12V DC, making it suitable for most boat motor applications.

The switch's design is compact and streamlined, making it easy to install and integrate into your boat's electrical system. The switch's floats are adjustable, allowing you to fine-tune the water level at which the switch will activate. This feature ensures that the switch will shut off the fuel supply at the optimal water level for your specific boat motor application.

In summary, the Attwood 4107-4 Automatic Float Switch is a must-have accessory for boat owners who want to ensure safe and efficient operation of their 20-foot boat motor. Its high-quality materials, accurate float design, and adjustable water level settings make it a reliable and effective solution for automatic fuel shut-off. With four switches included in the package, this product offers excellent value for boat owners looking to protect their investment in their boat motor.

Pros and Cons of buying a Attwood 4107-4 Automatic Float Switch for a 20ft Boat Motor

Introduction:

The Attwood 4107-4 Automatic Float Switch is a popular accessory for boat owners. This device automatically turns on and off the engine based on the position of the float in the fuel tank. In this analysis, we will discuss the advantages and disadvantages of purchasing this product for a 20ft boat motor.

Pros:

1. Convenience and ease of use: The automatic float switch eliminates the need for manual fuel tank monitoring, making boating more convenient and hassle-free.

2. Fuel savings: By ensuring the engine is only running when necessary, the float switch helps save fuel and reduces the overall operating costs.

3. Engine protection: The automatic shut-off feature prevents the engine from running when the fuel level is low, protecting it from potential damage caused by running on empty.

4. Versatility: The Attwood 4107-4 model is suitable for various boat motor sizes, including 20ft boats, making it a flexible and adaptable solution.

5. Durability: Attwood is a reputable brand known for manufacturing high-quality marine accessories, ensuring the float switch is built to withstand the harsh marine environment.

Cons:

1. Installation complexity: Installing the automatic float switch requires some level of electrical and mechanical expertise. Hiring a professional to perform the installation may add to the overall cost.

2. Cost: Compared to manual fuel gauges or simple on/off switches, the automatic float switch is a more expensive option.

3. Potential for false shut-offs: In some cases, the float switch may shut off the engine prematurely, disrupting the boating experience. This issue can be addressed by adjusting the float position or ensuring proper installation.

Conclusion:

The Attwood 4107-4 Automatic Float Switch offers several advantages, including convenience, fuel savings, engine protection, versatility, and durability. However, it also comes with some disadvantages, like installation complexity, cost, and potential false shut-offs. Considering these factors, the automatic float switch is a worthwhile investment for boat owners who prioritize convenience, fuel efficiency, and engine protection. Ultimately, the decision to purchase depends on individual preferences, budget, and boating needs.

Recommendation:

If you are a frequent boat user and value convenience, fuel savings, and engine protection, the Attwood 4107-4 Automatic Float Switch is an excellent investment for your 20ft boat motor. However, if you have limited budget or are comfortable with manual fuel tank monitoring, a simple on/off switch or manual fuel gauge may be a more cost-effective alternative. Always ensure proper installation and regular maintenance to ensure optimal performance and longevity.

specifications vesselvent:

  • brand: Attwood
  • part type: Switch Motor
  • manufacturer part number: 4107-4

returns vesselvent:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

general vesselvent:

  • condition: New
  • Parts Accessories > Boat Parts > Plumbing Ventilation

payments vesselvent:

  • wallet: Apple-pay
  • other
  • credit card: Visa

offer vesselvent:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: September 17, 2025

shipping vesselvent:

  • service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, UPS Ground, USPS Priority Mail
  • type: Calculated
  • transit: 3-9 Days
  • carrier: USPS, FedEx, UPS
  • cost: $0.00
  • class: Standard, Expedited

seller vesselvent:

  • # reviews: 14015
  • rating: 100.0%
part type: switch motor,
category: boat parts > plumbing ventilation, sku: 6268473249655673,

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